(D) The results of all required daily quality-assurance tests of
the SO2 monitor and the additional monitors used to convert
SO2 concentration to units of the standard, as specified in
appendix B to part 75 of this chapter; and
    (E) A compliance certification, which includes a statement, based
on reasonable inquiry of those persons with primary responsibility for
ensuring that all SO2 emissions from the affected EGUs under
this subpart have been correctly and fully monitored, by a responsible
official with that official's name, title, and signature, certifying
that, to the best of his or her knowledge, the report is true,
accurate, and complete. You must submit such a compliance certification
statement in support of each quarterly report.
    (b) You must submit semiannual compliance reports according to the
requirements in paragraphs (b)(1) through (5) of this section.
    (1) The first compliance report must cover the period beginning on
the compliance date that is specified for your affected source in Sec.
63.9984 (or, if applicable, the extended compliance date approved under
Sec.  63.6(i)(4)) and ending on June 30 or December 31, whichever date
is the first date that occurs at least 180 days after the compliance
date that is specified for your source in Sec.  63.9984 (or, if
applicable, the extended compliance date approved under Sec.
63.6(i)(4)).
    (2) The first compliance report must be submitted electronically no
later than July 31 or January 31, whichever date is the first date
following the end of the first calendar half after the compliance date
that is specified for your source in Sec.  63.9984 (or, if applicable,
the extended compliance date approved under Sec.  63.6(i)(4)).
* * * * *
    (4) Each subsequent compliance report must be submitted
electronically no later than July 31 or January 31, whichever date is
the first date following the end of the semiannual reporting period.
    (5) The final semiannual compliance report shall cover the
reporting period from July 1, 2023 through December 31, 2023. Quarterly
compliance reports shall be submitted thereafter, in accordance with
paragraph (g) of this section, starting with a report covering the
first calendar quarter of 2024.
    (c) The semiannual compliance report must contain the information
required in paragraphs (c)(1) through (10) of this section.
* * * * *
    (10) If you had any process or control equipment malfunction(s)
during the reporting period, you must include the number, duration, and
a brief description for each type of malfunction which occurred during
the semiannual reporting period which caused or may have caused any
applicable emission limitation to be exceeded.
    (d) For EGUs whose owners or operators rely on a CMS to comply with
an emissions or operating limit, the semiannual compliance reports
described in paragraph (c) of this section must include the excess
emissions and monitor downtime summary report described in Sec.
63.10(e)(3)(vi). However, starting with the first calendar quarter of
2024, reporting of the information under Sec.  63.10(e)(3)(vi) (and
under paragraph (e)(3)(v), if the applicable excess emissions and/or
monitor downtime threshold is exceeded) is discontinued for all CMS,
and you must, instead, include in the quarterly compliance reports
described in paragraph (g) of this section the applicable data elements
in section 13 of appendix E to this subpart for any ``deviation'' (as
defined in Sec.  63.10042 and elsewhere in this subpart) that occurred
during the calendar quarter. If there were no deviations, you must
include a statement to that effect in the quarterly compliance report.
    (e) Each affected source that has obtained a title V operating
permit pursuant to part 70 or 71 of this chapter must report all
deviations as defined in this subpart in the semiannual monitoring
report required by 40 CFR 70.6(a)(3)(iii)(A) or 71.6(a)(3)(iii)(A). If
an affected source submits a semiannual compliance report pursuant
paragraphs (c) and (d) of this section, or two quarterly compliance
reports covering the appropriate calendar half pursuant to paragraph
(g) of this section, along with, or as part of, the semiannual
monitoring report required by 40 CFR 70.6(a)(3)(iii)(A) or
71.6(a)(3)(iii)(A), and the compliance report(s) includes all required
information concerning deviations from any emission limit, operating
limit, or work practice requirement in this subpart, submission of the
compliance report(s) satisfies any obligation to report the same
deviations in the semiannual monitoring report. Submission of the
compliance report(s) does not otherwise affect any obligation the
affected source may have to report deviations from permit requirements
to the permit authority.
    (f) For each performance stack test completed prior to January 1,
2024 (including 30- (or 90-) boiler operating day Hg LEE demonstration
tests and PM

tests to establish operating limits for PM CPMS), you must submit a PDF
test report in accordance with paragraph (f)(6) of this section, no
later than 60 days after the date on which the testing is completed.
For each test completed on or after January 1, 2024, in accordance with
Sec.  63.10031(g), submit the applicable reference method information
in sections 17 through 31 of appendix E to this subpart along with the
quarterly compliance report for the calendar quarter in which the test
was completed.
    (1) For each relative accuracy test audit (RATA) of an Hg, HCl, HF,
or SO2 monitoring system completed prior to January 1, 2024,
and for each PM CEMS correlation test, each relative response audit
(RRA) and each response correlation audit (RCA) of a PM CEMS completed
prior to that date, you must submit a PDF test report in accordance
with paragraph (f)(6) of this section, no later than 60 days after the
date on which the test is completed. For each SO2 or Hg RATA
completed on or after January 1, 2024, you must submit the applicable
reference method information in sections 17 through 31 of appendix E to
this subpart prior to or concurrent with the relevant quarterly
emissions report. For HCl or HF RATAs, and for correlation tests, RRAs,
and RCAs of PM CEMS that are completed on or after January 1, 2024,
submit the appendix E reference method information together with the
summarized electronic test results, in accordance with section 11.4 of
appendix B to this subpart or section 7.2.4 of appendix C to this part,
as applicable.
    (2) If, for a particular EGU or a group of EGUs serving a common
stack, you have elected to demonstrate compliance using a PM CEMS, an
approved HAP metals CEMS, or a PM CPMS, you must submit quarterly PDF
reports in accordance with paragraph (f)(6) of this section, which
include all of the 30-boiler operating day rolling average emission
rates derived from the CEMS data or the 30-boiler operating day rolling
average responses derived from the PM CPMS data (as applicable). The
quarterly reports are due within 60 days after the reporting periods
ending on March 31st, June 30th, September 30th, and December 31st.
Submission of these quarterly reports in PDF files shall end with the
report that covers the fourth calendar quarter of 2023. Beginning with
the first calendar quarter of 2024, the compliance averages shall no
longer be reported separately, but shall be incorporated into the
quarterly compliance reports described in paragraph (g) of this
section. In addition to the compliance averages for PM CEMS, PM CPMS,
and/or HAP metals CEMS, the quarterly compliance reports described in
paragraph (g) of this section must also include the 30- (or, if
applicable 90-) boiler operating day rolling average emission rates for
Hg, HCl, HF, and/or SO2, if you have elected to (or are
required to) continuously monitor these pollutants. Further, if your
EGU or common stack is in an averaging plan, your quarterly compliance
reports must identify all of the EGUs or common stacks in the plan and
must include all of the 30- (or 90-) group boiler operating day rolling
weighted average emission rates (WAERs) for the averaging group.
* * * * *
    (4) You must submit semiannual compliance reports as required under
paragraphs (b) through (d) of this section, ending with a report
covering the semiannual period from July 1 through December 31, 2023,
and Notifications of Compliance Status as required under Sec.
63.10030(e), as PDF files. Quarterly compliance reports shall be
submitted in XML format thereafter, in accordance with paragraph (g) of
this section, starting with a report covering the first calendar
quarter of 2024.
* * * * *
    (6) All reports and notifications described in paragraphs (f)
introductory text and (f)(1), (2), and (4) of this section shall be
submitted to the EPA in the specified format and at the specified
frequency, using the ECMPS Client Tool. Each PDF version of a stack
test report, CEMS RATA report, PM CEMS correlation test report, RRA
report, and RCA report must include sufficient information to assess
compliance and to demonstrate that the reference method testing was
done properly. Note that EPA will continue to accept, as necessary, PDF
reports that are being phased out at the end of 2023, if the submission
deadlines for those reports extend beyond December 31, 2023. The
following data elements must be entered into the ECMPS Client Tool at
the time of submission of each PDF file:
* * * * *
    (vii) An indication of the type of PDF report or notification being
submitted;
* * * * *
    (xi) The date the performance test was completed (if applicable)
and the test number (if applicable); and
* * * * *
    (g) Starting with a report for the first calendar quarter of 2024,
you must use the ECMPS Client Tool to submit quarterly electronic
compliance reports. Each quarterly compliance report shall include the
applicable data elements in sections 2 through 13 of appendix E to this
subpart. For each stack test summarized in the compliance report, you
must also submit the applicable reference method information in
sections 17 through 31 of appendix E to this subpart. The compliance
reports and associated appendix E information must be submitted no
later than 60 days after the end of each calendar quarter.
    (h) On and after January 1, 2024, initial Notifications of
Compliance Status (if any) shall be submitted in accordance with Sec.
63.9(h)(2)(ii), as PDF files, using the ECMPS Client Tool. The
applicable data elements in paragraphs (f)(6)(i) through (xii) of this
section must be entered into ECMPS with each Notification.
    (i) If you have elected to use paragraph (2) of the definition of
``startup'' in Sec.  63.10042, then, for startup and shutdown incidents
that occur on or prior to December 31, 2023, you must include the
information in Sec.  63.10031(c)(5) in the semiannual compliance
report, in a PDF file. If you have elected to use paragraph (2) of the
definition of ``startup'' in Sec.  63.10042, then, for startup and
shutdown event(s) that occur on or after January 1, 2024, you must use
the ECMPS Client Tool to submit the information in Sec. Sec.
63.10031(c)(5) and 63.10020(e) along with each quarterly compliance
report, in a PDF file, starting with a report for the first calendar
quarter of 2024. The applicable data elements in paragraphs (f)(6)(i)
through (xii) of this section must be entered into ECMPS with each
startup and shutdown report.
    (j) If you elect to use a certified PM CEMS to monitor PM emissions
continuously to demonstrate compliance with this subpart and have begun
recording valid data from the PM CEMS prior to [DATE 60 DAYS AFTER DATE
OF PUBLICATION OF THE FINAL RULE IN THE FEDERAL REGISTER], you must use
the ECMPS Client Tool to submit a detailed report of your PS 11
correlation test (see appendix B to part 60 of this chapter) in a PDF
file no later than 60 days after that date. For a correlation test
completed on or after [DATE 60 DAYS AFTER DATE OF PUBLICATION OF THE
FINAL RULE IN THE FEDERAL REGISTER], but prior to January 1, 2024, you
must submit the PDF report no later than 60 days after the date on
which the test is completed. For a correlation test completed on or
after January 1, 2024, you must submit the PDF report according to
section 7.2.4 of appendix C to this subpart. The applicable data
elements in paragraphs (f)(6)(i) through (xii) of this section must

be entered into ECMPS with the PDF report.
    (k) If you elect to demonstrate compliance using a PM CPMS or an
approved HAP metals CEMS, you must submit quarterly reports of your QA/
QC activities (e.g., calibration checks, performance audits), in a PDF
file, beginning with a report for the first quarter of 2024, if the PM
CPMS or HAP metals CEMS is used for the compliance demonstration in
that quarter. Otherwise, submit a report for the first calendar quarter
in which the PM CPMS or HAP metals CEMS is used to demonstrate
compliance. These reports are due no later than 60 days after the end
of each calendar quarter. The applicable data elements in paragraphs
(f)(6)(i) through (xii) of this section must be entered into ECMPS with
the PDF report.
0
10. Section 63.10032 is amended by revising paragraphs (a) introductory
text and (a)(1) to read as follows:

Sec.  63.10032   What records must I keep?

    (a) You must keep records according to paragraphs (a)(1) and (2) of
this section. If you are required to (or elect to) continuously monitor
Hg and/or HCl and/or HF and/or PM emissions, or if you elect to use a
PM CPMS, you must keep the records required under appendix A and/or
appendix B and/or appendix C and/or appendix D to this subpart. If you
elect to conduct periodic (e.g., quarterly or annual) performance stack
tests, then, for each test completed on or after January 1, 2024, you
must keep records of the applicable data elements under Sec.  63.7(g).
You must also keep records of all data elements and other information
in appendix E to this subpart that apply to your compliance strategy.
    (1) In accordance with Sec.  63.10(b)(2)(xiv), a copy of each
notification or report that you submit to comply with this subpart. You
must also keep records of all supporting documentation for the initial
Notifications of Compliance Status, semiannual compliance reports, or
quarterly compliance reports that you submit.
* * * * *
0
11. Section 63.10042 is amended by:
0
a. In the definition ``Diluent cap,'' adding ``PM,'' after ``HF,'';
0
b. In the definition ``Monitoring system malfunction or out of control
period,'' removing the words ``or out of control period''; and
0
c. Adding the definition ``Out of control period'' in alphabetical
order.
    The addition reads as follows:

Sec.  63.10042  What definitions apply to this subpart?

* * * * *
    Out-of-control period, as it pertains to continuous monitoring
systems, means any period:
    (1) Beginning with the hour corresponding to the completion of a
daily calibration or quality assurance audit that indicates that the
instrument fails to meet the applicable acceptance criteria; and
    (2) Ending with the hour corresponding to the completion of an
additional calibration or quality assurance audit following corrective
action showing that the instrument meets the applicable acceptance
criteria.
* * * * *
0
12. Table 3 to subpart UUUUU is amended by revising the entries ``3. A
coal-fired, liquid oil-fired (excluding limited-use liquid oil-fired
subcategory units), or solid oil-derived fuel-fired EGU during
startup'' and ``4. A coal-fired, liquid oil-fired (excluding limited-
use liquid oil-fired subcategory units), or solid oil-derived fuel-
fired EGU during shutdown'' to read as follows:

                          Table 3 to Subpart UUUUU of Part 63--Work Practice Standards
                                                [ * * * * * * * ]
----------------------------------------------------------------------------------------------------------------
            If your EGU is . . .                               You must meet the following . . .
----------------------------------------------------------------------------------------------------------------

                                                  * * * * * * *
3. A coal-fired, liquid oil-fired (excluding  a. You have the option of complying using either of the following
 limited-use liquid oil-fired subcategory      work practice standards:
 units), or solid oil-derived fuel-fired EGU  (1) If you choose to comply using paragraph (1) of the definition
 during startup.                               of ``startup'' in Sec.   63.10042, you must operate all CMS
                                               during startup. Startup means either the first-ever firing of
                                               fuel in a boiler for the purpose of producing electricity, or the
                                               firing of fuel in a boiler after a shutdown event for any
                                               purpose. Startup ends when any of the steam from the boiler is
                                               used to generate electricity for sale over the grid or for any
                                               other purpose (including on site use). For startup of a unit, you
                                               must use clean fuels as defined in Sec.   63.10042 for ignition.
                                               Once you convert to firing coal, residual oil, or solid oil-
                                               derived fuel, you must engage all of the applicable control
                                               technologies except dry scrubber and SCR. You must start your dry
                                               scrubber and SCR systems, if present, appropriately to comply
                                               with relevant standards applicable during normal operation. You
                                               must comply with all applicable emissions limits at all times
                                               except for periods that meet the applicable definitions of
                                               startup and shutdown in this subpart. You must keep records
                                               during startup periods. You must provide reports concerning
                                               activities and startup periods, as specified in Sec.
                                               63.10011(g) and Sec.   63.10021(h) and (i). If you elect to use
                                               paragraph (2) of the definition of ``startup'' in Sec.
                                               63.10042, you must report the applicable information in Sec.
                                               63.10031(c)(5) concerning startup periods as follows: for startup
                                               periods that occur on or prior to December 31, 2023 in PDF files
                                               in the semiannual compliance report; for startup periods that
                                               occur on or after January 1, 2024, quarterly, in PDF files,
                                               according to Sec.   63.10031(i).
                                              (2) If you choose to comply using paragraph (2) of the definition
                                               of ``startup'' in Sec.   63.10042, you must operate all CMS
                                               during startup. You must also collect appropriate data, and you
                                               must calculate the pollutant emission rate for each hour of
                                               startup.
                                              For startup of an EGU, you must use one or a combination of the
                                               clean fuels defined in Sec.   63.10042 to the maximum extent
                                               possible, taking into account considerations such as boiler or
                                               control device integrity, throughout the startup period. You must
                                               have sufficient clean fuel capacity to engage and operate your PM
                                               control device within one hour of adding coal, residual oil, or
                                               solid oil-derived fuel to the unit. You must meet the startup
                                               period work practice requirements as identified in Sec.
                                               63.10020(e).
                                              Once you start firing coal, residual oil, or solid oil-derived
                                               fuel, you must vent emissions to the main stack(s). You must
                                               comply with the applicable emission limits beginning with the
                                               hour after startup ends. You must engage and operate your
                                               particulate matter control(s) within 1 hour of first firing of
                                               coal, residual oil, or solid oil-derived fuel.
                                              You must start all other applicable control devices as
                                               expeditiously as possible, considering safety and manufacturer/
                                               supplier recommendations, but, in any case, when necessary to
                                               comply with other standards made applicable to the EGU by a
                                               permit limit or a rule other than this Subpart that require
                                               operation of the control devices.

                                              b. Relative to the syngas not fired in the combustion turbine of
                                               an IGCC EGU during startup, you must either: (1) Flare the
                                               syngas, or (2) route the syngas to duct burners, which may need
                                               to be installed, and route the flue gas from the duct burners to
                                               the heat recovery steam generator.
                                              c. If you choose to use just one set of sorbent traps to
                                               demonstrate compliance with the applicable Hg emission limit, you
                                               must comply with the limit at all times; otherwise, you must
                                               comply with the applicable emission limit at all times except for
                                               startup and shutdown periods.
                                              d. You must collect monitoring data during startup periods, as
                                               specified in Sec.   63.10020(a) and (e). You must keep records
                                               during startup periods, as provided in Sec.  Sec.   63.10032 and
                                               63.10021(h). You must provide reports concerning activities and
                                               startup periods, as specified in Sec.  Sec.   63.10011(g),
                                               63.10021(i), and 63.10031. If you elect to use paragraph (2) of
                                               the definition of ``startup'' in Sec.   63.10042, you must report
                                               the applicable information in Sec.   63.10031(c)(5) concerning
                                               startup periods as follows: for startup periods that occur on or
                                               prior to December 31, 2023, in PDF files in the semiannual
                                               compliance report; for startup periods that occur on or after
                                               January 1, 2024, quarterly, in PDF files, according to Sec.
                                               63.10031(i).
4. A coal-fired, liquid oil-fired (excluding  You must operate all CMS during shutdown. You must also collect
 limited-use liquid oil-fired subcategory      appropriate data, and you must calculate the pollutant emission
 units), or solid oil-derived fuel-fired EGU   rate for each hour of shutdown for those pollutants for which a
 during shutdown.                              CMS is used.
                                              While firing coal, residual oil, or solid oil-derived fuel during
                                               shutdown, you must vent emissions to the main stack(s) and
                                               operate all applicable control devices and continue to operate
                                               those control devices after the cessation of coal, residual oil,
                                               or solid oil-derived fuel being fed into the EGU and for as long
                                               as possible thereafter considering operational and safety
                                               concerns. In any case, you must operate your controls when
                                               necessary to comply with other standards made applicable to the
                                               EGU by a permit limit or a rule other than this Subpart and that
                                               require operation of the control devices.
                                              If, in addition to the fuel used prior to initiation of shutdown,
                                               another fuel must be used to support the shutdown process, that
                                               additional fuel must be one or a combination of the clean fuels
                                               defined in Sec.   63.10042 and must be used to the maximum extent
                                               possible, taking into account considerations such as not
                                               compromising boiler or control device integrity.
                                              Relative to the syngas not fired in the combustion turbine of an
                                               IGCC EGU during shutdown, you must either: (1) Flare the syngas,
                                               or (2) route the syngas to duct burners, which may need to be
                                               installed, and route the flue gas from the duct burners to the
                                               heat recovery steam generator.
                                              You must comply with all applicable emission limits at all times
                                               except during startup periods and shutdown periods at which time
                                               you must meet this work practice. You must collect monitoring
                                               data during shutdown periods, as specified in Sec.   63.10020(a).
                                               You must keep records during shutdown periods, as provided in
                                               Sec.  Sec.   63.10032 and 63.10021(h). Any fraction of an hour in
                                               which shutdown occurs constitutes a full hour of shutdown. You
                                               must provide reports concerning activities and shutdown periods,
                                               as specified in Sec.  Sec.   63.10011(g), 63.10021(i), and
                                               63.10031. If you elect to use paragraph (2) of the definition of
                                               ``startup'' in Sec.   63.10042, you must report the applicable
                                               information in Sec.   63.10031(c)(5) concerning shutdown periods
                                               as follows: for shutdown periods that occur on or prior to
                                               December 31, 2023, in PDF files in the semiannual compliance
                                               report; for shutdown periods that occur on or after January 1,
                                               2024, quarterly, in PDF files, according to Sec.   63.10031(i).
----------------------------------------------------------------------------------------------------------------

0
13. Table 8 to subpart UUUUU is revised to read as follows:

       Table 8 to Subpart UUUUU of Part 63--Reporting Requirements
    [In accordance with Sec.   63.10031, you must meet the following
   reporting requirements, as they apply to your compliance strategy]
------------------------------------------------------------------------
               You must submit the following reports . . .
-------------------------------------------------------------------------
1. The electronic reports required under Sec.   63.10031(a)(1), if you
 continuously monitor Hg emissions.
2. The electronic reports required under Sec.   63.10031(a)(2), if you
 continuously monitor HCl and/or HF emissions.
    Where applicable, these reports are due no later than 30 days after
     the end of each calendar quarter.
3. The electronic reports required under Sec.   63.10031(a)(3), if you
 continuously monitor PM emissions.
    Reporting of hourly PM emissions data using ECMPS shall begin with
     the first operating hour after: January 1, 2024 or the hour of
     completion of the initial PM CEMS correlation test, whichever is
     later.
    Where applicable, these reports are due no later than 30 days after
     the end of each calendar quarter.
4. The electronic reports required under Sec.   63.10031(a)(4), if you
 elect to use a PM CPMS.
    Reporting of hourly PM CPMS response data using ECMPS shall begin
     with the first operating hour after January 1, 2024 or the first
     operating hour after completion of the initial performance stack
     test that establishes the operating limit for the PM CPMS,
     whichever is later.
    Where applicable, these reports are due no later than 30 days after
     the end of each calendar quarter.
5. The electronic reports required under Sec.   63.10031(a)(5), if you
 continuously monitor SO2 emissions.
    Where applicable, these reports are due no later than 30 days after
     the end of each calendar quarter.
6. PDF reports for all performance stack tests completed prior to
 January 1, 2024 (including 30- or 90-boiler operating day Hg LEE test
 reports and PM test reports to set operating limits for PM CPMS),
 according to Sec.   63.10031(f) introductory text and (f)(6).
    For each test, submit the PDF report no later than 60 days after the
     date on which testing is completed.
For a PM test that is used to set an operating limit for a PM CPMS, the
 report must also include the information in Sec.   63.10023(b)(2)(vi).
    For each performance stack test completed on or after January 1,
     2024, submit the test results in the relevant quarterly compliance
     report under Sec.   63.10031(g), together with the applicable
     reference method information in sections 17 through 31 of appendix
     E to this subpart.
7. PDF reports for all RATAs of Hg, HCl, HF, and/or SO2 monitoring
 systems completed prior to January 1, 2024, and for correlation tests,
 RRAs and/or RCAs of PM CEMS completed prior to January 1, 2024,
 according to Sec.   63.10031(f)(1) and (6).
    For each test, submit the PDF report no later than 60 days after the
     date on which testing is completed.

    For each SO2 or Hg system RATA completed on or after January 1,
     2024, submit the electronic test summary required by appendix A to
     this subpart or part 75 of this chapter (as applicable) together
     with the applicable reference method information in sections 17-30
     of appendix E to this subpart, either prior to or concurrent with
     the relevant quarterly emissions report.
    For each HCl or HF system RATA, and for each correlation test, RRA,
     and RCA of a PM CEMS completed on or after January 1, 2024, submit
     the electronic test summary in accordance with section 11.4 of
     appendix B to this subpart or section 7.2.4 of appendix C to this
     part, as applicable, together with the applicable reference method
     information in sections 17-30 of appendix E to this subpart.
8. Quarterly reports, in PDF files, that include all 30-boiler operating
 day rolling averages in the reporting period derived from your PM CEMS,
 approved HAP metals CEMS, and/or PM CPMS, according to Sec.
 63.10031(f)(2) and (6). These reports are due no later than 60 days
 after the end of each calendar quarter.
    The final quarterly rolling averages report in PDF files shall cover
     the fourth calendar quarter of 2023.
    Starting with the first quarter of 2024, you must report all 30-
     boiler operating day rolling averages for PM CEMS, approved HAP
     metals CEMS, PM CPMS, Hg CEMS, Hg sorbent trap systems, HCl CEMS,
     HF CEMS, and/or SO2 CEMS (or 90-boiler operating day rolling
     averages for Hg systems), in XML format, in the quarterly
     compliance reports required under Sec.   63.10031(g).
    If your EGU or common stack is in an averaging plan, each quarterly
     compliance report must identify the EGUs in the plan and include
     all of the 30- or 90- group boiler operating day weighted average
     emission rates (WAERs) for the averaging group.
    The quarterly compliance reports must be submitted no later than 60
     days after the end of each calendar quarter.
9. The semiannual compliance reports described in Sec.   63.10031(c) and
 (d), in PDF files, according to Sec.   63.10031(f)(4) and (6). The due
 dates for these reports are specified in Sec.   63.10031(b).
    The final semiannual compliance report shall cover the period from
     July 1, 2023 through December 31, 2023.
10. Notifications of compliance status, in PDF files, according to Sec.
  63.10031(f)(4) and (6) until December 31, 2023, and according to Sec.
  63.10031(h) thereafter.
11. Quarterly electronic compliance reports, in accordance with Sec.
 63.10031(g), starting with a report for the first calendar quarter of
 2024. The reports must be in XML format and must include the applicable
 data elements in sections 2 through 13 of appendix E to this subpart.
    These reports are due no later than 60 days after the end of each
     calendar quarter.
12. Quarterly reports, in PDF files, that include the applicable
 information in Sec.  Sec.   63.10031(c)(5)(ii) and 63.10020(e)
 pertaining to startup and shutdown events, starting with a report for
 the first calendar quarter of 2024, if you have elected to use
 paragraph (2) of the definition of ``startup'' in Sec.   63.10042 (see
 Sec.   63.10031(i)).
    These PDF reports shall be submitted no later than 60 days after the
     end of each calendar quarter, along with the quarterly compliance
     reports required under Sec.   63.10031(g).
13. A test report for the PS 11 correlation test (see appendix B to part
 60 of this chapter) of your PM CEMS, in accordance with Sec.
 63.10031(j).
    If, prior to [DATE 60 DAYS AFTER DATE OF PUBLICATION OF THE FINAL
     RULE IN THE FEDERAL REGISTER], you have begun using a certified PM
     CEMS to demonstrate compliance with this subpart, use the ECMPS
     Client Tool to submit the report, in a PDF file, no later than 60
     days after that date.
    For correlation tests completed on or after [DATE 60 DAYS AFTER DATE
     OF PUBLICATION OF THE FINAL RULE IN THE FEDERAL REGISTER], but
     prior to January 1, 2024, submit the report, in a PDF file, no
     later than 60 days after the date on which the test is completed.
    For correlation tests completed on or after January 1, 2024, submit
     the test results electronically, according to section 7.2.4 of
     appendix C to this subpart, together with the applicable reference
     method data in sections 17 through 31 of appendix E to this
     subpart.
14. Quarterly reports that include the QA/QC activities for your PM CPMS
 or approved HAP metals CEMS (as applicable), in PDF files, according to
 Sec.   63.10031(k).
    The first report shall cover the first calendar quarter of 2024, if
     the PM CPMS or HAP metals CEMS is in use during that quarter.
     Otherwise, reporting begins with the first calendar quarter in
     which the PM CPMS or HAP metals CEMS is used to demonstrate
     compliance.
    These reports are due no later than 60 days after the end of each
     calendar quarter.
------------------------------------------------------------------------

0
 14. Table 9 to subpart UUUUU is amended by:
0
a. Revising the entries ``Sec.  63.9'', ``Sec.  63.10(c)(7)'', and
``Sec.  63.10(c)(8)''; and
0
b. Adding the entry ``Sec.  63.10(e)(3)(v) and (vi)'' in numerical
order.
    The addition and revisions read as follows:
* * * * *

Table 9 to Subpart UUUUU of Part 63--Applicability of General Provisions
                            to Subpart UUUUU
                            [ * * * * * * * ]
------------------------------------------------------------------------
                                                     Applies to subpart
             Citation                  Subject              UUUUU
------------------------------------------------------------------------

                              * * * * * * *
Sec.   63.9......................  Notification     Yes, except (1) for
                                    Requirements.    the 60-day
                                                     notification prior
                                                     to conducting a
                                                     performance test in
                                                     Sec.   63.9(e);
                                                     instead use a 30-
                                                     day notification
                                                     period per Sec.
                                                     63.10030(d), (2)
                                                     the notification of
                                                     the CMS performance
                                                     evaluation in Sec.
                                                      63.9(g)(1) is
                                                     limited to RATAs,
                                                     and (3) the
                                                     information
                                                     required per Sec.
                                                     63.9(h)(2)(i);
                                                     instead provide the
                                                     applicable
                                                     information in Sec.
                                                       63.10030(e)(1)
                                                     through (e)(8), for
                                                     the initial
                                                     notification of
                                                     compliance status,
                                                     only.

                              * * * * * * *
Sec.   63.10(c)(7)...............  Additional       Applies only through
                                    recordkeeping    December 31, 2023.
                                    requirements
                                    for CMS--
                                    identifying
                                    exceedances
                                    and excess
                                    emissions.
Sec.   63.10(c)(8)...............  Additional       Applies only through
                                    recordkeeping    December 31, 2023.
                                    requirements
                                    for CMS--
                                    identifying
                                    exceedances
                                    and excess
                                    emissions.

                              * * * * * * *
Sec.   63.10(e)(3)(v) and (vi)...  Excess           Applies only through
                                    emissions and    December 31, 2023.
                                    continuous
                                    monitoring
                                    system
                                    performance
                                    reports.

                              * * * * * * *
------------------------------------------------------------------------

0
15. Appendix A to subpart UUUUU is amended by revising sections
``<IP_ADDRESS>'', ``<IP_ADDRESS>'', ``<IP_ADDRESS>'' and ``<IP_ADDRESS>'' to read as
follows:

Appendix A to Subpart UUUUU of Part 63--HG Monitoring Provisions

* * * * *

7. Recordkeeping and Reporting

* * * * *
    <IP_ADDRESS> The hourly Hg concentration, if a quality-assured value
is obtained for the hour ([micro]g/scm, with one leading non-zero
digit and one decimal place, expressed in scientific notation). Use
the following rounding convention: if the digit immediately
following the first decimal place is 5 or greater, round the first
decimal place upward (increase it by one); if the digit immediately
following the first decimal place is 4 or less, leave the first
decimal place unchanged;
* * * * *
    <IP_ADDRESS> The hourly Hg concentration, if a quality-assured value
is obtained for the hour ([micro]g/scm, with one leading non-zero
digit and one decimal place, expressed in scientific notation). Use
the following rounding convention: If the digit immediately
following the first decimal place is 5 or greater, round the first
decimal place upward (increase it by one); if the digit immediately
following the first decimal place is 4 or less, leave the first
decimal place unchanged. Note that when a single quality-assured Hg
concentration value is obtained for a particular data collection
period, that single concentration value is applied to each operating
hour of the data collection period.
* * * * *
    <IP_ADDRESS> The hourly Hg emissions rate (lb/TBtu or lb/GWh, as
applicable), calculated according to section 6.2.1 or 6.2.2 of this
appendix, rounded to the same precision as the standard (i.e., with
one leading non-zero digit and one decimal place, expressed in
scientific notation), if valid values of Hg concentration and all
other required parameters (stack gas volumetric flow rate, diluent
gas concentration, electrical load, and moisture data, as
applicable) are obtained for the hour. Use the following rounding
convention: If the digit immediately following the first decimal
place is 5 or greater, round the first decimal place upward
(increase it by one); if the digit immediately following the first
decimal place is 4 or less, leave the first decimal place unchanged;
* * * * *
    <IP_ADDRESS> For an EGU that begins reporting hourly Hg
concentrations with a previously-certified Hg monitoring system,
submit the monitoring plan information in section <IP_ADDRESS> of this
appendix prior to or concurrent with the first required quarterly
emissions report. For a new EGU, or for an EGU switching to
continuous monitoring of Hg emissions after having implemented
another allowable compliance option under this subpart, submit the
information in section <IP_ADDRESS> of this appendix at least 21 days
prior to the start of initial certification testing of the CEMS.
Also submit the monitoring plan information in 40 CFR 75.53(g)
pertaining to any required flow rate, diluent gas, and moisture
monitoring systems within the applicable time frame specified in
this section, if the required records are not already in place.
* * * * *
0
16. Appendix B to subpart UUUUU is amended by:
0
a. Revising the heading and introductory text of section 2.3 and
sections ``9.4'', ``<IP_ADDRESS>'', ``<IP_ADDRESS>'', ``<IP_ADDRESS>.1'',
``<IP_ADDRESS>.2'', and ``<IP_ADDRESS>.3'';
0
b. Adding sections ``<IP_ADDRESS>.4'' through ``<IP_ADDRESS>.12'' in numerical
order;
0
c. Revising sections ``11.3.1'', ``11.4 introductory text'', and
``11.4.1'';
0
d. Adding sections ``<IP_ADDRESS>'' through ``<IP_ADDRESS>'' in numerical
order;
0
e. Revising sections ``11.4.2 introductory text'', ``<IP_ADDRESS>'', and
``<IP_ADDRESS>'';
0
f. Redesignating section ``<IP_ADDRESS>'' as ``<IP_ADDRESS>'';
0
g. Adding new section ``<IP_ADDRESS>'';
0
h. Revising newly redesignated section ``<IP_ADDRESS>'';
0
i. Redesignating section ``11.4.4'' as ``11.4.13'';
0
j. Adding sections: ``11.4.4 introductory text''; ``<IP_ADDRESS> through
<IP_ADDRESS>''; ``11.4.5 introductory text''; ``<IP_ADDRESS>''; ``<IP_ADDRESS>.1
through <IP_ADDRESS>.9''; ``<IP_ADDRESS> introductory text''; ``<IP_ADDRESS>.1
through <IP_ADDRESS>.6''; ``11.4.6 introductory text''; ``<IP_ADDRESS> through
<IP_ADDRESS>'', ``11.4.7 introductory text''; ``<IP_ADDRESS> through
<IP_ADDRESS>''; ``11.4.8 introductory text''; ``<IP_ADDRESS> through
<IP_ADDRESS>''; ``11.4.9 introductory text''; ``<IP_ADDRESS> through
<IP_ADDRESS>''; ``11.4.10 introductory text''; ``<IP_ADDRESS> through
<IP_ADDRESS>''; ``11.4.11 introductory text''; ``<IP_ADDRESS> through
<IP_ADDRESS>''; ``11.4.12 introductory text''; and ``<IP_ADDRESS> through
<IP_ADDRESS>''; and
0
k. Revising newly redesignated section ``11.4.13'' and section
``11.5.1''.
    The revisions and additions read as follows:

Appendix B to Subpart UUUUU of Part 63--HCL and HF
Monitoring Provisions

* * * * *

2. Monitoring of HCl and/or HF Emissions

* * * * *
    2.3 Monitoring System Equipment, Supplies, Definitions, and
General Operation. The following provisions apply:
* * * * *

9. Data Reduction and Calculations

* * * * *
    9.4 Use Equation A-5 in appendix A of this subpart to calculate
the required 30-boiler operating day rolling average HCl or HF
emission rates. Report each 30-boiler operating day rolling average
to the same precision as the standard (i.e., with one leading non-
zero digit and one decimal place), expressed in scientific notation.
The

term Eho in Equation A-5 must be in the units of the
applicable emissions limit.
* * * * *

10. Recordkeeping Requirements

* * * * *
    <IP_ADDRESS> The pollutant concentration, for each hour in which a
quality-assured value is obtained. For HCl and HF, record the data
in parts per million (ppm), with one leading non-zero digit and one
decimal place, expressed in scientific notation. Use the following
rounding convention: If the digit immediately following the first
decimal place is 5 or greater, round the first decimal place upward
(increase it by one); if the digit immediately following the first
decimal place is 4 or less, leave the first decimal place unchanged.
* * * * *
    <IP_ADDRESS> The hourly HCl and/or HF emissions rate (lb/MMBtu, or
lb/MWh, as applicable), for each hour in which valid values of HCl
or HF concentration and all other required parameters (stack gas
volumetric flow rate, diluent gas concentration, electrical load,
and moisture data, as applicable) are obtained for the hour. Round
off the emission rate to the same precision as the standard (i.e.,
with one leading non-zero digit and one decimal place, expressed in
scientific notation). Use the following rounding convention: If the
digit immediately following the first decimal place is 5 or greater,
round the first decimal place upward (increase it by one); if the
digit immediately following the first decimal place is 4 or less,
leave the first decimal place unchanged;
* * * * *
    <IP_ADDRESS>.1 For each required 7-day and daily calibration drift
test or daily calibration error test (including daily calibration
transfer standard tests) of the HCl or HF CEMS, record the test
date(s) and time(s), reference gas value(s), monitor response(s),
and calculated calibration drift or calibration error value(s). If
you use the dynamic spiking option for the mid-level calibration
drift check under PS 18 of appendix B to part 60 of this chapter,
you must also record the measured concentration of the native HCl in
the flue gas before and after the spike and the spiked gas dilution
factor. When using an IP-CEMS under PS 18, you must also record the
measured concentrations of the native HCl before and after
introduction of each reference gas, the path lengths of the
calibration cell and the stack optical path, the stack and
calibration cell temperatures, the instrument line strength factor,
and the calculated equivalent concentration of reference gas.
    <IP_ADDRESS>.2 For the required gas audits of an FTIR HCl or HF CEMS
that is following PS 15 of appendix B to part 60 of this chapter,
record the date and time of each spiked and unspiked sample, the
audit gas reference values and uncertainties. Keep records of all
calculations and data analyses required under sections 9.1 and 12.1
of Performance Specification (PS) 15, and the results of those
calculations and analyses.
    <IP_ADDRESS>.3 For each required RATA of an HCl or HF CEMS, record
the beginning and ending date and time of each test run, the
reference method(s) used, and the reference method and HCl or HF
CEMS run values. Keep records of stratification tests performed (if
any), all of the raw field data, relevant process operating data,
and all of the calculations used to determine the relative accuracy.
    <IP_ADDRESS>.4 For each required beam intensity test of an HCl IP-
CEMS under PS 18 of appendix B to part 60 of this chapter, record
the test date and time, the known attenuation value (%) used for the
test, the concentration of the high-level reference gas used, the
full-beam and attenuated beam intensity levels, the measured HCl
concentrations at full-beam intensity and attenuated intensity and
the percent difference between them, and the results of the test.
For each required daily beam intensity check of an IP-CEMS under
Procedure 6 of appendix F to part 60 of this chapter, record the
beam intensity measured including the units of measure and the
results of the check.
    <IP_ADDRESS>.5 For each required measurement error test of an HCl
monitor, record the date and time of each gas injection, the
reference gas concentration (low, mid, or high) and the monitor
response for each of the three injections at each of the three
levels. Also record the average monitor response and the measurement
error (ME) at each gas level and the related calculations. For
measurement error tests conducted on IP-CEMS, also record the
measured concentrations of the native HCl before and after
introduction of each reference gas, the path lengths of the
calibration cell and the stack optical path, the stack and
calibration cell temperatures, the stack and calibration cell
pressures, the instrument line strength factor, and the calculated
equivalent concentration of reference gas.
    <IP_ADDRESS>.6 For each required level of detection (LOD) test of an
HCl monitor performed in a controlled environment, record the test
date, the concentrations of the reference gas and interference
gases, the results of the seven (or more) consecutive measurements
of HCl, the standard deviation, and the LOD value. For each required
LOD test performed in the field, record the test date, the three
measurements of the native source HCl concentration, the results of
the three independent standard addition (SA) measurements known as
standard addition response (SAR), the effective spike addition gas
concentration (for IP-CEMS, the equivalent concentration of the
reference gas), the resulting standard addition detection level
(SADL) value and all related calculations. For extractive CEMS
performing the SA using dynamic spiking, you must record the spiked
gas dilution factor.
    <IP_ADDRESS>.7 For each required measurement error/level of
detection response time test of an HCl monitor, record the test
date, the native HCl concentration of the flue gas, the reference
gas value, the stable reference gas readings, the upscale/downscale
start and end times, and the results of the upscale and downscale
stages of the test.
    <IP_ADDRESS>.8 For each required temperature or pressure measurement
verification or audit of an IP-CEMS, keep records of the test date,
the temperatures or pressures (as applicable) measured by the
calibrated temperature or pressure reference device and the IP-CEMS,
and the results of the test.
    <IP_ADDRESS>.9 For each required interference test of an HCl
monitor, record (or obtain from the analyzer manufacturer records
of): The date of the test; the gas volume/rate, temperature, and
pressure used to conduct the test; the HCl concentration of the
reference gas used; the concentrations of the interference test
gases; the baseline HCl and HCl responses for each interferent
combination spiked; and the total percent interference as a function
of span or HCl concentration.
    <IP_ADDRESS>.10 For each quarterly relative accuracy audit (RAA) of
an HCl monitor, record the beginning and ending date and time of
each test run, the reference method used, the HCl concentrations
measured by the reference method and CEMS for each test run, the
average concentrations measured by the reference method and the
CEMS, and the calculated relative accuracy (RA). Keep records of the
raw field data, relevant process operating data, and the
calculations used to determine the RA.
    <IP_ADDRESS>.11 For each quarterly cylinder gas audit (CGA) of an
HCl monitor, record the date and time of each injection, and the
reference gas concentration (zero, mid, or high) and the monitor
response for each injection. Also record the average monitor
response and the calculated measurement error (ME) at each gas
level. For IP-CEMS, you must also record the measured concentrations
of the native HCl before and after introduction of each reference
gas, the path lengths of the calibration cell and the stack optical
path, the stack and calibration cell temperatures, the stack and
calibration cell pressures, the instrument line strength factor, and
the calculated equivalent concentration of reference gas.
    <IP_ADDRESS>.12 For each quarterly dynamic spiking audit (DSA) of an
HCl monitor, record the date and time of the zero gas injection and
each spike injection, the results of the zero gas injection, the gas
concentrations (mid and high) and the dilution factors and the
monitor response for each of the six upscale injections as well as
the corresponding native HCl concentrations measured before and
after each injection. Also record the average dynamic spiking error
for each of the upscale gases, the calculated average DSA Accuracy
at each upscale gas concentration, and all calculations leading to
the DSA Accuracy.
* * * * *

11. Reporting Requirements

* * * * *
    11.3.1 For an EGU that begins reporting hourly HCl and/or HF
concentrations with a previously-certified CEMS, submit the
monitoring plan information in section <IP_ADDRESS> of this appendix
prior to or concurrent with the first required quarterly emissions
report. For a new EGU, or for an EGU switching to continuous
monitoring of HCl and/or HF emissions after having implemented
another allowable compliance option under this subpart, submit the
information in section <IP_ADDRESS> of this appendix at least 21 days
prior to the start

of initial certification testing of the CEMS. Also submit the
monitoring plan information in 40 CFR 75.53(g) pertaining to any
required flow rate, diluent gas, and moisture monitoring systems
within the applicable time frame specified in this section, if the
required records are not already in place.
* * * * *
    11.4 Certification, Recertification, and Quality-Assurance Test
Reporting Requirements. Except for daily QA tests (i.e.,
calibrations and flow monitor interference checks), which are
included in each electronic quarterly emissions report, use the
ECMPS Client Tool to submit the results of all required
certification, recertification, quality-assurance, and diagnostic
tests of the monitoring systems required under this appendix
electronically. Submit the test results either prior to or
concurrent with the relevant quarterly electronic emissions report.
However, for RATAs of the HCl monitor, if this is not possible, you
have up to 60 days after the test completion date to submit the test
results; in this case, you may claim provisional status for the
emissions data affected by the test, starting from the date and hour
in which the test was completed and continuing until the date and
hour in which the test results are submitted. If the test is
successful, the status of the data in that time period changes from
provisional to quality-assured, and no further action is required.
However, if the test is unsuccessful, the provisional data must be
invalidated and resubmission of the affected emission report(s) is
required.
    11.4.1 For each daily calibration drift (or calibration error)
assessment (including daily calibration transfer standard tests),
and for each 7-day calibration drift test of an HCl or HF monitor,
report:
    <IP_ADDRESS> Facility ID information;
    <IP_ADDRESS> The monitoring component ID;
    <IP_ADDRESS> The instrument span and span scale;
    <IP_ADDRESS> For each gas injection, the date and time, the
calibration gas level (zero, mid or other), the reference gas value
(ppm), and the monitor response (ppm);
    <IP_ADDRESS> A flag to indicate whether dynamic spiking was used for
the upscale value (extractive HCl monitors, only);
    <IP_ADDRESS> Calibration drift or calibration error (percent of span
or reference gas, as applicable);
    <IP_ADDRESS> When using the dynamic spiking option, the measured
concentration of native HCl before and after each mid-level spike
and the spiked gas dilution factor; and
    <IP_ADDRESS> When using an IP-CEMS, also report the measured
concentration of native HCl before and after each upscale
measurement, the path lengths of the calibration cell and the stack
optical path, the stack and calibration cell temperatures, the stack
and calibration cell pressures, the instrument line strength factor,
and the equivalent concentration of the reference gas; and
    <IP_ADDRESS> Reason for test (for the 7-day CD test, only).
    11.4.2 For each quarterly gas audit of an HCl or HF CEMS that is
following PS 15 of appendix B to part 60 of this chapter, report:
* * * * *
    <IP_ADDRESS> Standard deviation, using either Equation 2-4 in
section 12.3 of Performance Specification 2 in appendix B to part 60
of this chapter or Equation 10 in section 12.6.5 of PS 18 of
appendix B to part 60 of this chapter;
    <IP_ADDRESS> Confidence coefficient, using either Equation 2-5 in
section 12.4 of Performance Specification 2 in appendix B to part 60
of this chapter or Equation 11 in section 12.6.6 of PS 18 of
appendix B to part 60 of this chapter;
    <IP_ADDRESS> t-value; and
    <IP_ADDRESS> Relative Accuracy (RA). For FTIR monitoring systems
following PS 15 of appendix B to part 60 of this chapter, calculate
the RA using Equation 2-6 of Performance Specification 2 in appendix
B to part 60 of this chapter or, if applicable, according to the
alternative procedure for low emitters described in section <IP_ADDRESS>
of this appendix. For HCl CEMS following PS 18 of appendix B to part
60 of this chapter, calculate the RA according to section 12.6 of PS
18. If applicable use a flag to indicate that the alternative RA
specification for low emitters has been applied.
    11.4.4 For each 3-level measurement error test of an HCl
monitor, report:
    <IP_ADDRESS> Facility ID information;
    <IP_ADDRESS> Monitoring component ID;
    <IP_ADDRESS> Instrument span and span scale;
    <IP_ADDRESS> For each gas injection, the date and time, the
calibration gas level (low, mid, or high), the reference gas value
in ppm and the monitor response. When using an IP-CEMS, also report
the measured concentration of native HCl before and after each
injection, the path lengths of the calibration cell and the stack
optical path, the stack and calibration cell temperatures, the stack
and calibration cell pressures, the instrument line strength factor,
and the equivalent concentration of the reference gas;
    <IP_ADDRESS> For extractive CEMS, the mean reference value and mean
of measured values at each reference gas level (ppm). For IP-CEMS,
the mean of the measured concentration minus the average measured
native concentration minus the equivalent reference gas
concentration (ppm), at each reference gas level--see Equation 6A in
PS 18 of appendix B to part 60 of this chapter;
    <IP_ADDRESS> Measurement error (ME) at each reference gas level; and
    <IP_ADDRESS> Reason for test.
    11.4.5 Beam intensity tests of an IP CEMS:
    <IP_ADDRESS> For the initial beam intensity test described in
Performance Specification 18 in appendix B to part 60 of this
chapter, report:
    <IP_ADDRESS>.1 Facility ID information;
    <IP_ADDRESS>.2 Date and time of the test;
    <IP_ADDRESS>.3 Monitoring system ID;
    <IP_ADDRESS>.4 Reason for test;
    <IP_ADDRESS>.5 Attenuation value (%);
    <IP_ADDRESS>.6 High level gas concentration (ppm);
    <IP_ADDRESS>.7 Full and attenuated beam intensity levels, including
units of measure;
    <IP_ADDRESS>.8 Measured HCl concentrations at full and attenuated
beam intensity (ppm); and
    <IP_ADDRESS>.9 Percentage difference between the HCl concentrations.
    <IP_ADDRESS> For the daily beam intensity check described in
Procedure 6 of appendix F to part 60 of this chapter, report:
    <IP_ADDRESS>.1 Facility ID information;
    <IP_ADDRESS>.2 Date and time of the test;
    <IP_ADDRESS>.3 Monitoring system ID;
    <IP_ADDRESS>.4 The attenuated beam intensity level (limit)
established in the initial test;
    <IP_ADDRESS>.5 The beam intensity measured during the daily check;
and
    <IP_ADDRESS>.6 Results of the test (pass or fail).
    11.4.6 For each temperature or pressure verification or audit of
an HCl IP-CEMS, report:
    <IP_ADDRESS> Facility ID information;
    <IP_ADDRESS> Date and time of the test;
    <IP_ADDRESS> Monitoring system ID;
    <IP_ADDRESS> Type of verification (T or P);
    <IP_ADDRESS> Stack sensor measured value;
    <IP_ADDRESS> Reference device measured value;
    <IP_ADDRESS> Results of the test (pass or fail); and
    <IP_ADDRESS> Reason for test.
    11.4.7 For each interference test of an HCl monitoring system,
report:
    <IP_ADDRESS> Facility ID information;
    <IP_ADDRESS> Date of test;
    <IP_ADDRESS> Monitoring system ID;
    <IP_ADDRESS> Results of the test (pass or fail);
    <IP_ADDRESS> Reason for test; and
    <IP_ADDRESS> A flag to indicate whether the test was performed: on
this particular monitoring system; on one of multiple systems of the
same type; or by the manufacturer on a system with components of the
same make and model(s) as this system.
    11.4.8 For each level of detection (LOD) test of an HCl monitor,
report:
    <IP_ADDRESS> Facility ID information;
    <IP_ADDRESS> Date of test;
    <IP_ADDRESS> Reason for test;
    <IP_ADDRESS> Monitoring system ID;
    <IP_ADDRESS> A code to indicate whether the test was done in a
controlled environment or in the field;
    <IP_ADDRESS> HCl reference gas concentration;
    <IP_ADDRESS> HCl responses with interference gas (7 repetitions);
    <IP_ADDRESS> Standard deviation of HCl responses;
    <IP_ADDRESS> Effective spike addition gas concentrations;
    <IP_ADDRESS> HCl concentration measured without spike;
    <IP_ADDRESS> HCl concentration measured with spike;
    <IP_ADDRESS> Dilution factor for spike;
    <IP_ADDRESS> The controlled environment LOD value (ppm or ppm-
meters);
    <IP_ADDRESS> The field determined standard addition detection level
(SADL in ppm or ppm-meters); and
    <IP_ADDRESS> Result of LDO/SADL test (pass/fail).
    11.4.9 For each ME or LOD response time test of an HCl monitor,
report:
    <IP_ADDRESS> Facility ID information;
    <IP_ADDRESS> Date of test;
    <IP_ADDRESS> Monitoring component ID;
    <IP_ADDRESS> The higher of the upscale or downscale tests, in
minutes; and
    <IP_ADDRESS> Reason for test.
    11.4.10 For each quarterly relative accuracy audit of an HCl
monitor, report:

    <IP_ADDRESS> Facility ID information;
    <IP_ADDRESS> Monitoring system ID;
    <IP_ADDRESS> Begin and end time of each test run;
    <IP_ADDRESS> The reference method used;
    <IP_ADDRESS> The reference method (RM) and CEMS values for each
test run, including the units of measure;
    <IP_ADDRESS> The mean RM and CEMS values for the three test runs;
    <IP_ADDRESS> The calculated relative accuracy (RA), percent; and
    <IP_ADDRESS> Reason for test.
    11.4.11 For each quarterly cylinder gas audit of an HCl monitor,
report:
    <IP_ADDRESS> Facility ID information;
    <IP_ADDRESS> Monitoring component ID;
    <IP_ADDRESS> Instrument span and span scale;
    <IP_ADDRESS> For each gas injection, the date and time, the
reference gas level (zero, mid, or high), the reference gas value in
ppm, and the monitor response. When using an IP-CEMS, also report
the measured concentration of native HCl before and after each
injection, the path lengths of the calibration cell and the stack
optical path, the stack and calibration cell temperatures, the stack
and calibration cell pressures, the instrument line strength factor,
and the equivalent concentration of the reference gas;
    <IP_ADDRESS> For extractive CEMS, the mean reference gas value and
mean monitor response at each reference gas level (ppm). For IP-
CEMS, the mean of the measured concentration minus the average
measured native concentration minus the equivalent reference gas
concentration (ppm), at each reference gas level--see Equation 6A in
PS 18 of appendix B to part 60 of this chapter;
    <IP_ADDRESS> Measurement error (ME) at each reference gas level;
and
    <IP_ADDRESS> Reason for test.
    11.4.12 For each quarterly dynamic spiking audit of an HCl
monitor, report:
    <IP_ADDRESS> Facility ID information;
    <IP_ADDRESS> Monitoring component ID;
    <IP_ADDRESS> Instrument span and span scale;
    <IP_ADDRESS> For the zero gas injection, the date and time, and the
monitor response (Note: The zero gas injection from a calibration
drift check performed on the same day as the upscale spikes may be
used for this purpose.);
    <IP_ADDRESS> Zero spike error;
    <IP_ADDRESS> For the upscale gas spiking, the date and time of each
spike, the reference gas level (mid- or high-), the reference gas
value (ppm), the dilution factor, the native HCl concentrations
before and after each spike, and the monitor response for each gas
spike;
    <IP_ADDRESS> Upscale spike error;
    <IP_ADDRESS> Dynamic spike accuracy (DSA) at the zero level and at
each upscale gas level; and
    <IP_ADDRESS> Reason for test.
    11.4.13 Reporting Requirements for Diluent Gas, Flow Rate, and
Moisture Monitoring Systems. For the certification, recertification,
diagnostic, and QA tests of stack gas flow rate, moisture, and
diluent gas monitoring systems that are certified and quality-
assured according to part 75 of this chapter, report the information
in section <IP_ADDRESS> of this appendix.
* * * * *
    11.5.1 The owner or operator of any affected unit shall use the
ECMPS Client Tool to submit electronic quarterly reports to the
Administrator in an XML format specified by the Administrator, for
each affected unit (or group of units monitored at a common stack).
If the certified HCl or HF CEMS is used for the initial compliance
demonstration, HCl or HF emissions reporting shall begin with the
first operating hour of the 30 boiler operating day compliance
demonstration period. Otherwise, HCl or HF emissions reporting shall
begin with the first operating hour after successfully completing
all required certification tests of the CEMS.
* * * * *
0
17. Add appendix C to subpart UUUUU to read as follows:

Appendix C to Subpart UUUUU of Part 63--PM Monitoring Provisions

1. General Provisions

    1.1 Applicability. These monitoring provisions apply to the
continuous measurement of filterable particulate matter (PM)
emissions from affected EGUs under this subpart. A particulate
matter continuous emission monitoring system (PM CEMS) is used
together with other continuous monitoring systems and (as
applicable) parametric measurement devices to quantify PM emissions
in units of the applicable standard (i.e., lb/MMBtu or lb/MWh).
    1.2 Initial Certification and Recertification Procedures. You,
as the owner or operator of an affected EGU that uses a PM CEMS to
demonstrate compliance with a filterable PM emissions limit in Table
1 or 2 to this subpart must certify and, if applicable, recertify
the CEMS according to Performance Specification 11 (PS-11) in
appendix B to part 60 of this chapter.
    1.3 Quality Assurance and Quality Control Requirements. You must
meet the applicable quality assurance requirements of Procedure 2 in
appendix F to part 60 of this chapter.
    1.4 Missing Data Procedures. You must not substitute data for
missing data from the PM CEMS. Any process operating hour for which
quality-assured PM concentration data are not obtained is counted as
an hour of monitoring system downtime.
    1.5 Adjustments for Flow System Bias. When the PM emission rate
is reported on a gross output basis, you must not adjust the data
recorded by a stack gas flow rate monitor for bias, which may
otherwise be required under 40 CFR 75.24.

2. Monitoring of PM Emissions

    2.1 Monitoring System Installation Requirements. Flue gases from
the affected EGUs under this subpart vent to the atmosphere through
a variety of exhaust configurations including single stacks, common
stack configurations, and multiple stack configurations. For each of
these configurations, Sec.  63.10010(a) specifies the appropriate
location(s) at which to install continuous monitoring systems (CMS).
These CMS installation provisions apply to the PM CEMS and to the
other continuous monitoring systems and parametric monitoring
devices that provide data for the PM emissions calculations in
section 6 of this appendix.
    2.2 Primary and Backup Monitoring Systems. In the electronic
monitoring plan described in section 7 of this appendix, you must
create and designate a primary monitoring system for PM and for each
additional parameter (i.e., stack gas flow rate, CO2 or
O2 concentration, stack gas moisture content, as
applicable). The primary system must be used to report hourly PM
concentration values when the system is able to provide quality-
assured data, i.e., when the system is ``in control.'' However, to
increase data availability in the event of a primary monitoring
system outage, you may install, operate, maintain, and calibrate a
redundant backup monitoring system. A redundant backup system is one
that is permanently installed at the unit or stack location and is
kept on ``hot standby'' in case the primary monitoring system is
unable to provide quality-assured data. You must represent each
redundant backup system as a unique monitoring system in the
electronic monitoring plan. You must certify each redundant backup
monitoring system according to the applicable provisions in section
4 of this appendix. In addition, each redundant monitoring system
must meet the applicable on-going QA requirements in section 5 of
this appendix.

3. PM Emissions Measurement Methods

    The following definitions, equipment specifications, procedures,
and performance criteria are applicable
    3.1 Definitions. All definitions specified in section 3 of PS-11
in appendix B to part 60 of this chapter and section 3 of Procedure
2 in appendix F to part 60 of this chapter are applicable to the
measurement of filterable PM emissions from electric utility steam
generating units under this subpart. In addition, the following
definitions apply:
    3.1.1 Stack operating hour means a clock hour during which flue
gases flow through a particular stack or duct (either for the entire
hour or for part of the hour) while the associated unit(s) are
combusting fuel.
    3.1.2 Unit operating hour means a clock hour during which a unit
combusts any fuel, either for part of the hour or for the entire
hour.
    3.2 Continuous Monitoring Methods.
    3.2.1 Installation and Measurement Location. You must install
the PM CEMS according to Sec.  63.10010 and Section 2.4 of PS-11 in
appendix B to part 60 of this chapter.
    3.2.2 Units of Measure. For the purposes of this subpart, you
shall report hourly PM concentrations in units of measure that
correspond to your PM CEMS correlation curve (e.g., mg/acm, mg/acm
@160 [deg]C, mg/wscm, mg/dscm).
    3.2.3 Other Necessary Data Collection. To convert hourly PM
concentrations to the units of the applicable emissions standard
(i.e., lb/MMBtu or lb/MWh), you must collect additional data as
described in sections <IP_ADDRESS> and <IP_ADDRESS> of this appendix. You must
install, certify, operate, maintain, and quality-assure any stack
gas flow rate, CO2, O2, or moisture monitoring
systems needed for this purpose according to sections 4 and 5 of
this appendix. The calculation methods for the emission limits
described in sections

<IP_ADDRESS> and <IP_ADDRESS> of this appendix are presented in section 6 of
this appendix.
    <IP_ADDRESS> Heat Input-Based Emission Limits. To demonstrate
compliance with a heat input-based PM emission limit in Table 2 to
this subpart, you must provide the hourly stack gas CO2
or O2 concentration, along with a fuel-specific
Fc factor or dry-basis F-factor and (if applicable) the
stack gas moisture content, in order to convert measured PM
concentrations values to the units of the standard.
    <IP_ADDRESS> Gross Output-Based Emission Limits. To demonstrate
compliance with a gross output-based PM emission limit in Table 1 or
2 to this subpart, you must provide the hourly gross output in
megawatts, along with data from a certified stack gas flow rate
monitor and (if applicable) the stack gas moisture content, in order
to convert measured PM concentrations values to units of the
standard.

4. Certification and Recertification Requirements

    4.1 Certification Requirements. You must certify your PM CEMS
and the other continuous monitoring systems used to determine
compliance with the applicable emissions standard before the PM CEMS
can be used to provide data under this subpart. Redundant backup
monitoring systems (if used) are subject to the same certification
requirements as the primary systems.
    4.1.1 PM CEMS. You must certify your PM CEMS according to PS-11
in appendix B to part 60 of this chapter. A PM CEMS that has been
installed and certified according to PS-11 as a result of another
state or Federal regulatory requirement or consent decree prior to
[EFFECTIVE DATE OF THE FINAL RULE] shall be considered certified for
this subpart if you can demonstrate that your PM CEMS meets the PS-
11 acceptance criteria based on the applicable emission standard in
this subpart.
    4.1.2 Flow Rate, Diluent Gas, and Moisture Monitoring Systems.
You must certify the continuous monitoring systems that are needed
to convert PM concentrations to units of the standard or (if
applicable) to convert the measured PM concentrations from wet basis
to dry basis or vice-versa (i.e., stack gas flow rate, diluent gas
(CO2 or O2) concentration, or moisture
monitoring systems), in accordance with the applicable provisions in
40 CFR 75.20 and appendix A to part 75 of this chapter.
    4.1.3 Other Parametric Measurement Devices. Any temperature or
pressure measurement devices that are used to convert hourly PM
concentrations to standard conditions must be installed, calibrated,
maintained, and operated according to the manufacturers'
instructions.
    4.2 Recertification.
    4.2.1 You must recertify your PM CEMS if it is either: Moved to
a different stack or duct; moved to a new location within the same
stack or duct; modified or repaired in such a way that the existing
correlation is altered or impacted; or replaced.
    4.2.2 The flow rate, diluent gas, and moisture monitoring
systems that are used to convert PM concentration to units of the
emission standard are subject to the recertification provisions in
40 CFR 75.20(b).
    4.3 Development of a New or Revised Correlation Curve. You must
develop a new or revised correlation curve if:
    4.3.1 A response correlation audit (RCA) is failed and the new
or revised correlation is developed according to section 10.6 in
Procedure 2 of appendix F to part 60 of this chapter; or
    4.3.2 The events described in paragraph (1) or (2) in section
8.8 of PS-11 in appendix B to part 60 of this chapter occur.

5. Ongoing Quality Assurance (QA) and Data Validation

    5.1 PM CEMS.
    5.1.1 Required QA Tests. Following initial certification, you
must conduct periodic QA testing of each primary and (if applicable)
redundant backup PM CEMS. The required QA tests and the performance
specifications that must be met are found in Procedure 2 of appendix
F to part 60 of this chapter (Procedure 2). Except as otherwise
provided in section 5.1.2 of this appendix, the QA tests shall be
done at the frequency specified in Procedure 2.
    5.1.2 RRA and RCA Test Frequencies.
    <IP_ADDRESS> The test frequency for RRAs of the PM CEMS shall be
annual, i.e., once every four calendar quarters. The RRA must either
be performed within the fourth calendar quarter after the calendar
quarter in which the previous RRA was completed or in a grace period
(see section 5.1.3 of this appendix). When a required annual RRA is
done within a grace period, the deadline for the next RRA is four
calendar quarters after the quarter in which the RRA was originally
due, rather than the calendar quarter in which the grace period test
is completed.
    <IP_ADDRESS> The test frequency for RCAs of the PM CEMS shall be
triennial, i.e., once every twelve calendar quarters. If a required
RCA is not completed within twelve calendar quarters after the
calendar quarter in which the previous RCA was completed, it must be
performed in a grace period immediately following the twelfth
calendar quarter (see section 5.1.3 of this appendix). When an RCA
is done in a grace period, the deadline for the next RCA shall be
twelve calendar quarters after the calendar quarter in which the RCA
was originally due, rather than the calendar quarter in which the
grace period test is completed.
    <IP_ADDRESS> Successive quarterly audits (i.e., ACAs and, if
applicable, sample volume audits (SVAs)) shall be conducted at least
60 days apart.
    5.1.3 Grace Period. A grace period is available, immediately
following the end of the calendar quarter in which an RRA or RCA of
the PM CEMS is due. The length of the grace period shall be the
lesser of 720 EGU (or stack) operating hours or one calendar
quarter.
    5.1.4 RCA and RRA Acceptability. The results of your RRA or RCA
are considered acceptable provided that the criteria in section
10.4(5) of Procedure 2 in appendix F to part 60 of this chapter are
met for an RCA or section 10.4(6) of Procedure 2 in appendix F to
part 60 of this chapter are met for an RRA.
    5.1.5 Data Validation. Your PM CEMS is considered to be out-of-
control, and you may not report data from it as quality-assured,
when, for a required certification, recertification, or QA test, the
applicable acceptance criterion (either in PS-11 in appendix B to
part 60 of this chapter or Procedure 2 in appendix F to part 60 of
this chapter) is not met. Further, data from your PM CEMS are
considered out-of-control, and may not be used for reporting, when a
required QA test is not performed on schedule or within an allotted
grace period. When an out-of-control period occurs, you must perform
the appropriate follow-up actions. For an out-of-control period
triggered by a failed QA test, you must perform and pass the same
type of test in order to end the out-of-control period. For a QA
test that is not performed on time, data from the PM CEMS remain
out-of-control until the required test has been performed and
passed. You must count all out-of-control data periods of the PM
CEMS as hours of monitoring system downtime.
    5.2 Stack Gas Flow Rate, Diluent Gas, and Moisture Monitoring
Systems. The on-going QA test requirements and data validation
criteria for the primary and (if applicable) redundant backup stack
gas flow rate, diluent gas, and moisture monitoring systems are
specified in appendix B to part 75 of this chapter.
    5.3 QA/QC Program Requirements. You must develop and implement a
quality assurance/quality control (QA/QC) program for the PM CEMS
and the other equipment that is used to provide data under this
subpart. You may store your QA/QC plan electronically, provided that
the information can be made available expeditiously in hard copy to
auditors and inspectors.
    5.3.1 General Requirements.
    <IP_ADDRESS> Preventive Maintenance. You must keep a written record
of the procedures needed to maintain the PM CEMS and other equipment
that is used to provide data under this subpart in proper operating
condition, along with a schedule for those procedures. At a minimum,
you must include all procedures specified by the manufacturers of
the equipment and, if applicable, additional or alternate procedures
developed for the equipment.
    <IP_ADDRESS> Recordkeeping Requirements. You must keep a written
record describing procedures that will be used to implement the
recordkeeping and reporting requirements of this appendix.
    <IP_ADDRESS> Maintenance Records. You must keep a record of all
testing, maintenance, or repair activities performed on the PM CEMS,
and other equipment used to provide data under this subpart in a
location and format suitable for inspection. You may use a
maintenance log for this purpose. You must maintain the following
records for each system or device: The date, time, and description
of any testing, adjustment, repair, replacement, or preventive
maintenance action performed, and records of any corrective actions
taken. Additionally, you must record any adjustment that may affect
the ability of a monitoring system or measurement device to make
accurate measurements, and you must keep a written explanation of
the procedures used to make the adjustment(s).
    5.3.2 Specific Requirements for the PM CEMS.

    <IP_ADDRESS> Daily, and Quarterly QA Assessments. You must keep a
written record of the procedures used for daily assessments of the
PM CEMS. You must also keep records of the procedures used to
perform quarterly ACA and (if applicable) SVA audits. You must
document how the test results are calculated and evaluated.
    <IP_ADDRESS> Monitoring System Adjustments. You must document how
each component of the PM CEMS will be adjusted to provide correct
responses after routine maintenance, repairs, or corrective actions.
    <IP_ADDRESS> Correlation Tests, Annual and Triennial Audits. You must
keep a written record of procedures used for the correlation
test(s), annual RRAs, and triennial RCAs of the PM CEMS. You must
document how the test results are calculated and evaluated.
    5.3.3 Specific Requirements for Diluent Gas, Stack Gas Flow
Rate, and Moisture Monitoring Systems. The QA/QC program
requirements for the stack gas flow rate, diluent gas, and moisture
monitoring systems described in section 3.2.3 of this appendix are
specified in section 1 of appendix B to part 75 of this chapter.
    5.3.4 Requirements for Other Monitoring Equipment. For the
equipment required to convert readings from the PM CEMS to standard
conditions (e.g., devices to measure temperature and pressure), you
must keep a written record of the calibrations and/or other
procedures used to ensure that the devices provide accurate data.
    5.3.5 You may store your QA/QC plan electronically, provided
that you can make the information available expeditiously in hard
copy to auditors or inspectors.

6. Data Reduction and Calculations

    6.1 Data Reduction and Validation.
    6.1.1 You must reduce the data from PM CEMS to hourly averages,
in accordance with 40 CFR 60.13(h)(2).
    6.1.2 You must reduce all CEMS data from stack gas flow rate,
CO2, O2, and moisture monitoring systems to
hourly averages according to 40 CFR 75.10(d)(1).
    6.1.3 You must reduce all other data from devices used to
convert readings from the PM CEMS to standard conditions to hourly
averages according to 40 CFR 60.13(h)(2) or 75.10(d)(1). This
includes, but is not limited to, data from devices used to measure
temperature and pressure, or, for cogeneration units that calculate
gross output based on steam characteristics, devices to measure
steam flow rate, steam pressure, and steam temperature.
    6.1.4 Do not calculate the PM emission rate for any unit or
stack operating hour in which valid data are not obtained for PM
concentration or for any parameter used in the PM emission rate
calculations (i.e., gross output, stack gas flow rate, stack
temperature, stack pressure, stack gas moisture content, or diluent
gas concentration, as applicable).
    6.1.5 For the purposes of this appendix, part 75 substitute data
values for stack gas flow rate, CO2 concentration,
O2 concentration, and moisture content are not considered
to be valid data.
    6.1.6 Operating hours in which PM concentration is missing or
invalid are hours of monitoring system downtime. The use of
substitute data for PM concentration is not allowed.
    6.1.7 You must exclude all data obtained during a boiler startup
or shutdown operating hour (as defined in Sec.  63.10042) from the
determination of the 30-boiler operating day rolling average PM
emission rates.
    6.2 Calculation of PM Emission Rates. Unless your PM CEMS is
correlated to provide PM concentrations at standard conditions, you
must use the calculation methods in sections 6.2.1 through 6.2.3 of
this appendix to convert measured PM concentration values to units
of the emission limit (lb/MMBtu or lb/MWh, as applicable).
    6.2.1 p.m. concentrations must be at standard conditions in
order to convert them to units of the emissions limit. If your PM
CEMS measures PM concentrations at standard conditions, proceed to
section 6.2.2 or 6.2.3 of this appendix (as applicable). However, if
your PM CEMS measures PM concentrations in units of mg/acm or mg/acm
at a specified temperature (e.g., 160 [deg]C), you must first use
one of the following equations to convert the hourly PM
concentration values from actual to standard conditions:
[GRAPHIC] [TIFF OMITTED] TP10AP20.003

Where:

Cstd = PM concentration at standard conditions.
Ca = PM concentration at measurement conditions.
Ts = Stack Temperature ([deg]F).
TCEMS = CEMS Measurement Temperature ([deg]F).
PCEMS = CEMS Measurement Pressure (in. Hg).
Ps = Stack Pressure (in. Hg).
Tstd = Standard Temperature (68 [deg]F).
Pstd = Standard Pressure (29.92 in. Hg).

    6.2.2 Heat Input-Based PM Emission Rates (Existing EGUs, Only).
Calculate the hourly heat input-based PM emission rates (if
applicable), in units of lb/MMBtu, according to sections <IP_ADDRESS> and
<IP_ADDRESS> of this appendix.
    <IP_ADDRESS> You must select an appropriate emission rate equation
from among Equations 19-1 through 19-9 in test Method 19 in appendix
A-7 to part 60 of this chapter to convert the hourly PM
concentration values from section 6.2.1 of this appendix to units of
lb/MMBtu. Note that the EPA test Method 19 equations require the
pollutant concentration to be expressed in units of lb/scf;
therefore, you must first multiply the PM concentration by 6.24 x
10-8 to convert it from mg/scm to lb/scf.
    <IP_ADDRESS> You must use the appropriate carbon-based or dry-basis
F-factor in the emission rate equation that you have selected. You
may either use an F-factor from Table 19-2 of EPA test Method 19 in
appendix A-7 to part 60 of this chapter or from section 3.3.5 or
3.3.6 of appendix F to part 75 of this chapter.
    <IP_ADDRESS> If the hourly average O2 concentration is
above 14.0% O2 (19.0% for an IGCC) or the hourly average
CO2 concentration is below 5.0% CO2 (1.0% for
an IGCC), you may calculate the PM emission rate using the
applicable diluent cap value (as defined in Sec.  63.10042 and
specified in Sec.  63.10007(f)(1)), provided that the diluent gas
monitor is operating and recording quality-assured data).
    <IP_ADDRESS> If your selected EPA test Method 19 equation requires a
correction for the stack gas moisture content, you may either use
quality-assured hourly data from a certified part 75 moisture
monitoring system, a fuel-specific default moisture value from 40
CFR 75.11(b), or a site-specific default moisture value approved by
the Administrator under 40 CFR 75.66.
    6.2.3 Gross Output-Based PM Emission Rates. For each unit or
stack operating hour, if Cstd is measured on a wet basis,
you must use Equation C-3 of this section to calculate the gross
output-based PM emission rate (if applicable). Use Equation C-4 of
this section if Cstd is measured on a dry basis:

[GRAPHIC] [TIFF OMITTED] TP10AP20.004

Where:

Eheo = Hourly gross output-based PM emission rate (lb/
MWh).
Cstd = PM concentration from section 6.2.1 (mg/scm), wet
basis.
Qs = Unadjusted stack gas volumetric flow rate (scfh, wet
basis).
MW = Gross output (megawatts).
6.24 x 10-8 = Conversion factor.

[GRAPHIC] [TIFF OMITTED] TP10AP20.005

Where:

Eheo = Hourly gross output-based PM emission rate (lb/
MWh).
Cstd = PM concentration from section 6.2.1 (mg/scm), dry
basis.
Qs = Unadjusted stack gas volumetric flow rate (scfh, wet
basis).
MW = Gross output (megawatts).
Bws = Proportion by volume of water vapor in the stack
gas.
6.24 x 10-8 = Conversion factor.

6.2.4 You must calculate the 30-boiler operating day rolling average
PM emission rates according to Sec.  63.10021(b).

7. Recordkeeping and Reporting

    7.1 Recordkeeping Provisions. For the PM CEMS and the other
necessary continuous monitoring systems (CMS) and parameter
measurement devices installed at each affected unit or common stack,
you must maintain a file of all measurements, data, reports, and
other information required by this appendix in a form suitable for
inspection, for 5 years from the date of each record, in accordance
with Sec.  63.10033. The file shall contain the applicable
information in sections 7.1.1 through 7.1.11 of this appendix.
    7.1.1 Monitoring Plan Records. For each EGU or group of EGUs
monitored at a common stack, you must prepare and maintain a
monitoring plan for the PM CEMS and the other CMS(s) needed to
convert PM concentrations to units of the applicable emission
standard.
    <IP_ADDRESS> Updates. If you make a replacement, modification, or
change in a certified CEMS that is used to provide data under this
appendix (including a change in the automated data acquisition and
handling system) or if you make a change to the flue gas handling
system and that replacement, modification, or change affects
information reported in the monitoring plan (e.g., a change to a
serial number for a component of a monitoring system), you shall
update the monitoring plan.
    <IP_ADDRESS> Contents of the Monitoring Plan. For the PM CEMS, your
monitoring plan shall contain the applicable information in sections
<IP_ADDRESS>.1 and <IP_ADDRESS>.2 of this appendix. For required stack gas
flow rate, diluent gas, and moisture monitoring systems, your
monitoring plan shall include the applicable information required
for those systems under 40 CFR 75.53(g) and (h).
    <IP_ADDRESS>.1 Electronic. Your electronic monitoring plan records
must include the following information: Unit or stack ID number(s);
unit information (type of unit, maximum rated heat input, fuel
type(s), emission controls); monitoring location(s); the monitoring
methodologies used; monitoring system information, including (as
applicable): Unique system and component ID numbers; the make,
model, and serial number of the monitoring equipment; the sample
acquisition method; formulas used to calculate emissions; operating
range and load information; monitor span and range information;
units of measure of your PM concentrations (see section 3.2.2 of
this appendix); and appropriate default values. Your electronic
monitoring plan shall be evaluated and submitted using the Emissions
Collection and Monitoring Plan System (ECMPS) Client Tool provided
by the Clean Air Markets Division (CAMD) in EPA's Office of
Atmospheric Programs.
    <IP_ADDRESS>.2 Hard Copy. You must keep records of the following
items: Schematics and/or blueprints showing the location of the PM
monitoring system(s) and test ports; data flow diagrams; test
protocols; and miscellaneous technical justifications. The hard copy
portion of the monitoring plan must also explain how the PM
concentrations are measured and how they are converted to the units
of the applicable emissions limit. The equation(s) used for the
conversions must be documented. Electronic storage of the hard copy
portion of the monitoring plan is permitted.
    7.1.2 Operating Parameter Records. You must record the following
information for each operating hour of each EGU and also for each
group of EGUs utilizing a monitored common stack, to the extent that
these data are needed to convert PM concentration data to the units
of the emission standard. For non-operating hours, you must record
only the items in sections <IP_ADDRESS> and <IP_ADDRESS> of this appendix. If
you elect to or are required to comply with a gross output-based PM
standard, for any hour in which there is gross output greater than
zero, you must record the items in sections <IP_ADDRESS> through <IP_ADDRESS>
and (if applicable) <IP_ADDRESS> of this appendix; however, if there is
heat input to the unit(s) but no gross output (e.g., at unit
startup), you must record the items in sections <IP_ADDRESS>, <IP_ADDRESS>,
and, if applicable, section <IP_ADDRESS> of this appendix. If you elect
to comply with a heat input-based PM standard, you must record only
the items in sections <IP_ADDRESS>, <IP_ADDRESS>, <IP_ADDRESS>, and, if applicable,
section <IP_ADDRESS> of this appendix.
    <IP_ADDRESS> The date and hour;
    <IP_ADDRESS> The unit or stack operating time (rounded up to the
nearest fraction of an hour (in equal increments that can range from
one hundredth to one quarter of an hour, at your option);
    <IP_ADDRESS> The hourly gross output (rounded to nearest MWe);
    <IP_ADDRESS> If applicable, the Fc factor or dry-basis F-
factor used to calculate the heat input-based PM emission rate; and
    <IP_ADDRESS> If applicable, a flag to indicate that the hour is an
exempt startup or shutdown hour.
    7.1.3 PM Concentration Records. For each affected unit or common
stack using a PM CEMS, you must record the following information for
each unit or stack operating hour:
    <IP_ADDRESS> The date and hour;
    <IP_ADDRESS> Monitoring system and component identification codes for
the PM CEMS, as provided in the electronic monitoring plan, if your
CEMS provides a quality-assured value of PM concentration for the
hour;
    <IP_ADDRESS> The hourly PM concentration, in units of measure that
correspond to your PM CEMS correlation curve, for each operating
hour in which a quality-assured value is obtained. Record all PM
concentrations with one leading non-zero digit and one decimal
place, expressed in scientific notation. Use the following rounding
convention: if the digit immediately following the first decimal
place is 5 or greater, round the first decimal place upward
(increase it by one); if the digit immediately following the first
decimal place is 4 or less, leave the first decimal place unchanged.
    <IP_ADDRESS> A special code, indicating whether or not a quality-
assured PM concentration is obtained for the hour; and
    <IP_ADDRESS> Monitor data availability for PM concentration, as a
percentage of unit or stack operating hours calculated in the manner
established for SO2, CO2, O2 or
moisture monitoring systems according to 40 CFR 75.32.
    7.1.4 Stack Gas Volumetric Flow Rate Records.

    <IP_ADDRESS> When a gross output-based PM emissions limit must be
met, in units of lb/MWh, you must obtain hourly measurements of
stack gas volumetric flow rate during EGU operation, in order to
convert PM concentrations to units of the standard.
    <IP_ADDRESS> When hourly measurements of stack gas flow rate are
needed, you must keep hourly records of the flow rates and related
information, as specified in 40 CFR 75.57(c)(2).
    7.1.5 Records of Diluent Gas (CO2 or O2)
Concentration.
    <IP_ADDRESS> When a heat input-based PM emission limit must be met,
in units of lb/MMBtu, you must obtain hourly measurements of
CO2 or O2 concentration during EGU operation,
in order to convert PM concentrations to units of the standard.
    <IP_ADDRESS> When hourly measurements of diluent gas concentration
are needed, you must keep hourly CO2 or O2
concentration records, as specified in 40 CFR 75.57(g).
    7.1.6 Records of Stack Gas Moisture Content.
    <IP_ADDRESS> When corrections for stack gas moisture content are
needed to demonstrate compliance with the applicable PM emissions
limit:
    <IP_ADDRESS>.1 If you use a continuous moisture monitoring system,
you must keep hourly records of the stack gas moisture content and
related information, as specified in 40 CFR 75.57(c)(3).
    <IP_ADDRESS>.2 If you use a fuel-specific default moisture value, you
must represent it in the electronic monitoring plan required under
section <IP_ADDRESS>.1 of this appendix.
    7.1.7 PM Emission Rate Records. For applicable PM emission
limits in units of lb/MMBtu or lb/MWh, you must record the following
information for each affected EGU or common stack:
    <IP_ADDRESS> The date and hour;
    <IP_ADDRESS> The hourly PM emissions rate (lb/MMBtu or lb/MWh, as
applicable), calculated according to section 6.2.2 or 6.2.3 of this
appendix, rounded to the same precision as the standard (i.e., with
one leading non-zero digit and one decimal place, expressed in
scientific notation), expressed in scientific notation. Use the
following rounding convention: if the digit immediately following
the first decimal place is 5 or greater, round the first decimal
place upward (increase it by one); if the digit immediately
following the first decimal place is 4 or less, leave the first
decimal place unchanged. You must calculate the PM emission rate
only when valid values of PM concentration and all other required
parameters required to convert PM concentration to the units of the
standard are obtained for the hour;
    <IP_ADDRESS> An identification code for the formula used to derive
the hourly PM emission rate from measurements of the PM
concentration and other necessary parameters (i.e., Equation C-3 or
C-4 in section 6.2.3 of this appendix or the applicable EPA test
Method 19 equation);
    <IP_ADDRESS> If applicable, indicate that the diluent cap has been
used to calculate the PM emission rate; and
    <IP_ADDRESS> If applicable, indicate that the default electrical load
(as defined in Sec.  63.10042) has been used to calculate the hourly
PM emission rate.
    <IP_ADDRESS> Indicate that the PM emission rate was not calculated
for the hour, if valid data are not obtained for PM concentration
and/or any of the other parameters in the PM emission rate equation.
For the purposes of this appendix, substitute data values for stack
gas flow rate, CO2 concentration, O2
concentration, and moisture content reported under part 75 of this
chapter are not considered to be valid data. However, when the gross
output (as defined in Sec.  63.10042) is reported for an operating
hour with zero output, the default electrical load value is treated
as quality-assured data.
    7.1.8 Other Parametric Data. If your PM CEMS measures PM
concentrations at actual conditions, you must keep records of the
temperatures and pressures used in Equation C-1 or C-2 in section
6.2.1 of this appendix to convert the measured hourly PM
concentrations to standard conditions.
    7.1.9 Certification, Recertification, and Quality Assurance Test
Records. For any PM CEMS used to provide data under this subpart,
you must record the following certification, recertification, and
quality-assurance information:
    <IP_ADDRESS> The test dates and times, reference values, monitor
responses, monitor full scale value, and calculated results for the
required 7-day drift tests and for the required daily zero and
upscale calibration drift tests;
    <IP_ADDRESS> The test dates and times and results (pass or fail) of
all daily system optics checks and daily sample volume checks of the
PM CEMS (as applicable);
    <IP_ADDRESS> The test dates and times, reference values, monitor
responses, and calculated results for all required quarterly ACAs;
    <IP_ADDRESS> The test dates and times, reference values, monitor
responses, and calculated results for all required quarterly SVAs of
extractive PM CEMS;
    <IP_ADDRESS> The test dates and times, reference method readings and
corresponding PM CEMS responses (including the units of measure),
and the calculated results for all PM CEMS correlation tests, RRAs
and RCAs. For the correlation tests, you must indicate which model
is used (i.e., linear, logarithmic, exponential, polynomial, or
power) and record the correlation equation. For the RRAs and RCAs,
the reference method readings and PM CEMS responses must be reported
in the same units of measure as the PM CEMS correlation;
    <IP_ADDRESS> The cycle time and sample delay time for PM CEMS that
operate in batch sampling mode; and
    <IP_ADDRESS> Supporting information for all required PM CEMS
correlation tests, RRAs, and RCAs, including records of all raw
reference method and monitoring system data, the results of sample
analyses to substantiate the reported test results, as well as
records of sampling equipment calibrations, reference monitor
calibrations, and analytical equipment calibrations.
    7.1.10 For stack gas flow rate, diluent gas, and moisture
monitoring systems, you must keep records of all certification,
recertification, diagnostic, and on-going quality-assurance tests of
these systems, as specified in 40 CFR 75.59(a).
    7.1.11 For each temperature measurement device (e.g., RTD or
thermocouple) and pressure measurement device used to convert
measured PM concentrations to standard conditions according to
Equation C-1 or C-2 in section 6.2.1 of this appendix, you must keep
records of all calibrations and other checks performed to ensure
that accurate data are obtained.
    7.2 Reporting Requirements.
    7.2.1 General Reporting Provisions. You must comply with the
following requirements for reporting PM emissions from each affected
EGU (or group of EGUs monitored at a common stack) under this
subpart:
    <IP_ADDRESS> Notifications, in accordance with section 7.2.2 of this
appendix;
    <IP_ADDRESS> Monitoring plan reporting, in accordance with section
7.2.3 of this appendix;
    <IP_ADDRESS> Certification, recertification, and QA test submittals,
in accordance with section 7.2.4 of this appendix; and
    <IP_ADDRESS> Electronic quarterly emissions report submittals, in
accordance with section 7.2.5 of this appendix.
    7.2.2 Notifications. You must provide notifications for each
affected unit (or group of units monitored at a common stack) under
this subpart in accordance with Sec.  63.10030.
    7.2.3 Monitoring Plan Reporting. For each affected unit (or
group of units monitored at a common stack) under this subpart using
PM CEMS to measure PM emissions, you must make electronic and hard
copy monitoring plan submittals as follows:
    <IP_ADDRESS> For an EGU that begins reporting hourly PM
concentrations on January 1, 2024 with a previously-certified PM
CEMS, submit the monitoring plan information in section <IP_ADDRESS> of
this appendix prior to or concurrent with the first required
quarterly emissions report. For a new EGU, or for an EGU switching
to continuous monitoring of PM emissions after having implemented
another allowable compliance option under this subpart, submit the
information in section <IP_ADDRESS> of this appendix at least 21 days
prior to the start of initial certification testing of the PM CEMS.
Also submit the monitoring plan information in 40 CFR 75.53(g)
pertaining to any required flow rate, diluent gas, and moisture
monitoring systems within the applicable time frame specified in
this section, if the required records are not already in place.
    <IP_ADDRESS> Whenever an update of the monitoring plan is required,
as provided in section <IP_ADDRESS> of this appendix, you must submit the
updated information either prior to or concurrent with the relevant
quarterly electronic emissions report.
    <IP_ADDRESS> All electronic monitoring plan submittals and updates
shall be made to the Administrator using the ECMPS Client Tool. Hard
copy portions of the monitoring plan shall be submitted to the
appropriate delegated authority.
    7.2.4 Certification, Recertification, and Quality-Assurance Test
Reporting. Except for daily QA tests of the required monitoring
systems (i.e., calibration error or drift tests, sample volume
checks, system optics checks, and flow monitor interference checks),
you must submit the results of all required certification,
recertification, and quality-assurance tests described in sections
<IP_ADDRESS>

through <IP_ADDRESS> and 7.1.10 of this appendix electronically (except
for test results previously submitted, e.g., under the Acid Rain
Program), using the ECMPS Client Tool. Submit the results of the QA
test (i.e., RCA or RRA) or, if applicable, a new PM CEMS correlation
test, either prior to or concurrent with the relevant quarterly
electronic emissions report. If this is not possible, you have up to
60 days after the test completion date to submit the test results;
in this case, you may claim provisional status for the emissions
data affected by the QA test or correlation, starting from the date
and hour in which the test was completed and continuing until the
date and hour in which the test results are submitted. For an RRA or
RCA, if the applicable audit specifications are met, the status of
the emissions data in the relevant time period changes from
provisional to quality-assured, and no further action is required.
For a successful correlation test, apply the correlation equation
retrospectively to the raw data to change the provisional status of
the data to quality-assured, and resubmit the affected emissions
report(s). However, if the applicable performance specifications are
not met, the provisional data must be invalidated, and resubmission
of the affected quarterly emission report(s) is required. For a
failed RRA or RCA, you must take corrective actions and proceed
according to the applicable requirements found in sections 10.5
through 10.7 of Procedure 2 in appendix F to part 60 of this chapter
until a successful QA test report is submitted. If a correlation
test is unsuccessful, you may not report quality-assured data from
the PM CEMS until the results of a subsequent correlation test show
that the specifications in section 13.0 of PS-11 in appendix B to
part 60 of this chapter are met.
    7.2.5 Quarterly Reports.
    <IP_ADDRESS> For each affected EGU (or group of EGUs monitored at a
common stack), the owner or operator must use the ECMPS Client Tool
to submit electronic quarterly emissions reports to the
Administrator, in an XML format specified by the Administrator,
starting with a report for the later of:
    <IP_ADDRESS>.1 The first calendar quarter of 2024; or
    <IP_ADDRESS>.2 The calendar quarter in which the initial PM CEMS
correlation test is completed.
    <IP_ADDRESS> You must submit the electronic reports within 30 days
following the end of each calendar quarter, except for EGUs that
have been placed in long-term cold storage (as defined in 40 CFR
72.2).
    <IP_ADDRESS> Each of your electronic quarterly reports shall include
the following information:
    <IP_ADDRESS>.1 The date of report generation;
    <IP_ADDRESS>.2 Facility identification information;
    <IP_ADDRESS>.3 The information in sections 7.1.2 through 7.1.7 of
this appendix that is applicable to your PM emission measurement
methodology; and
    <IP_ADDRESS>.4 The results of all daily QA assessments, i.e.,
calibration drift checks and (if applicable) sample volume checks of
the PM CEMS, calibration error tests of the other continuous
monitoring systems that are used to convert PM concentration to
units of the standard, and (if applicable) flow monitor interference
checks.
    <IP_ADDRESS> Compliance Certification. Based on a reasonable inquiry
of those persons with primary responsibility for ensuring that all
PM emissions from the affected unit(s) under this subpart have been
correctly and fully monitored, the owner or operator must submit a
compliance certification in support of each electronic quarterly
emissions monitoring report. The compliance certification shall
include a statement by a responsible official with that official's
name, title, and signature, certifying that, to the best of his or
her knowledge, the report is true, accurate, and complete.

0
18. Add appendix D to subpart UUUUU to read as follows:

Appendix D to Subpart UUUUU of Part 63--PM CPMS Monitoring Provisions

1. General Provisions

    1.1 Applicability. These monitoring provisions apply to the
continuous monitoring of the output from a particulate matter
continuous parametric monitoring system (PM CPMS), for the purpose
of assessing continuous compliance with an applicable emissions
limit in Table 1 or 2 to this subpart.
    1.2 Summary of the Method. The output from an instrument capable
of continuously measuring PM concentration is continuously recorded,
either in milliamps, PM concentration, or other units of measure. An
operating limit for the PM CPMS is established initially, based on
data recorded by the monitoring system during a performance stack
test. The performance test is repeated annually and the operating
limit is reassessed. In-between successive performance tests, the
output from the PM CPMS serves as an indicator of continuous
compliance with the applicable emissions limit.

2. Continuous Monitoring of the PM CPMS Output

    2.1 System Design and Performance Criteria. The PM CPMS must
meet the design and performance criteria specified in Sec. Sec.
63.10010(h)(1)(i) through (iii) and 63.10023(b)(2)(iii) and (iv). In
addition, an automated data acquisition and handling system (DAHS)
is required to record the output from the PM CPMS and to generate
the quarterly electronic data reports required under section 3.2.4
of this appendix.
    2.2 Installation Requirements. Install the PM CPMS at an
appropriate location in the stack or duct, in accordance with Sec.
63.10010(a).
    2.3 Determination of Operating Limits.
    2.3.1 In accordance with Sec. Sec.  63.10007(a)(3), 63.10011(b),
and 63.10023(a) and Table 6 to this subpart, you must determine an
initial site-specific operating limit for your PM CPMS, using data
recorded by the monitoring system during a performance stack test
that demonstrates compliance with one of the following emissions
limits in Table 1 or 2 to this subpart: Filterable PM; total non-Hg
HAP metals; total HAP metals including Hg (liquid oil-fired units,
only); individual non-Hg HAP metals; or individual HAP metals
including Hg (liquid oil-fired units, only).
    2.3.2 In accordance with Sec.  63.10005(d)(2)(i), you must
perform the initial stack test no later than the applicable date in
Sec.  63.9984(f), and according to Sec. Sec.  63.10005(d)(2)(iii)
and 63.10006(a), the performance test must be repeated annually to
document compliance with the emissions limit and to reassess the
operating limit.
    2.3.3 Calculate the operating limits according to Sec.
63.10023(b)(1) for existing units, and Sec.  63.10023(b)(2) for new
units.
    2.4 Data Reduction and Compliance Assessment.
    2.4.1 Reduce the output from the PM CPMS to hourly averages, in
accordance with Sec.  63.8(g)(2) and (5).
    2.4.2 To determine continuous compliance with the operating
limit, you must calculate 30-boiler operating day rolling average
values of the output from the PM CPMS, in accordance with Sec. Sec.
63.10010(h)(3) through (6) and 63.10021(c) and Table 7 to this
subpart.
    2.4.3 In accordance with Sec. Sec.  63.10005(d)(2)(ii) and
63.10022(a)(2) and Table 4 to this subpart, the 30-boiler operating
day rolling average PM CPMS output must be maintained at or below
the operating limit. However, if exceedances of the operating limit
should occur, you must follow the applicable procedures in Sec.
63.10021(c)(1) and (2).

3. Recordkeeping and Reporting

    3.1 Recordkeeping Provisions. You must keep the applicable
records required under Sec.  63.10032(b) and (c) for your PM CPMS.
In addition, you must maintain a file of all measurements, data,
reports, and other information required by this appendix in a form
suitable for inspection, for 5 years from the date of each record,
in accordance with Sec.  63.10033.
    3.1.1 Monitoring Plan Records.
    <IP_ADDRESS> You must develop and maintain a site-specific monitoring
plan for your PM CPMS, in accordance with Sec.  63.10000(d).
    <IP_ADDRESS> In addition to the site-specific monitoring plan
required under Sec.  63.10000(d), you must use the ECMPS Client Tool
to prepare and maintain an electronic monitoring plan for your PM
CPMS.
    <IP_ADDRESS>.1 Contents of the Electronic Monitoring Plan. The
electronic monitoring plan records must include the unit or stack ID
number(s), monitoring location(s), the monitoring methodology used
(i.e., PM CPMS), the current operating limit of the PM CPMS
(including the units of measure), unique system and component ID
numbers, the make, model, and serial number of the PM CPMS, the
analytical principle of the monitoring system, and monitor span and
range information.
    <IP_ADDRESS>.2 Electronic Monitoring Plan Updates. If you replace or
make a change to a PM CPMS that is used to provide data under this
subpart (including a change in the automated data acquisition and
handling system) and the replacement or change affects information
reported in the electronic monitoring plan (e.g., changes to the
make, model and serial number when a PM CPMS

is replaced), you must update the monitoring plan.
    3.1.2 Operating Parameter Records. You must record the following
information for each operating hour of each affected unit and for
each group of units utilizing a common stack. For non-operating
hours, record only the items in sections <IP_ADDRESS> and <IP_ADDRESS> of this
appendix.
    <IP_ADDRESS> The date and hour;
    <IP_ADDRESS> The unit or stack operating time (rounded up to the
nearest fraction of an hour (in equal increments that can range from
one hundredth to one quarter of an hour, at the option of the owner
or operator); and
    <IP_ADDRESS> If applicable, a flag to indicate that the hour is an
exempt startup or shutdown hour.
    3.1.3 PM CPMS Output Records. For each affected unit or common
stack using a PM CPMS, you must record the following information for
each unit or stack operating hour:
    <IP_ADDRESS> The date and hour;
    <IP_ADDRESS> Monitoring system and component identification codes for
the PM CPMS, as provided in the electronic monitoring plan, for each
operating hour in which the monitoring system is not out-of-control
and a valid value of the output parameter is obtained;
    <IP_ADDRESS> The hourly average output from the PM CPMS, for each
operating hour in which the monitoring system is not out-of-control
and a valid value of the output parameter is obtained, either in
milliamps, PM concentration, or other units of measure, as
applicable;
    <IP_ADDRESS> A special code for each operating hour in which the PM
CPMS is out-of-control and a valid value of the output parameter is
not obtained; and
    <IP_ADDRESS> Percent monitor data availability (PMA) for the PM CPMS,
calculated in the manner established for SO2,
CO2, O2 or moisture monitoring systems
according to Sec.  75.32 of this chapter.
    3.1.4 Records of PM CPMS Audits and Out-of-Control Periods. In
accordance with Sec.  63.10010(h)(7), you must record, and make
available upon request, the results of PM CPMS performance audits,
as well as the dates of PM CPMS out-of-control periods and the
corrective actions taken to return the system to normal operation.
    3.2 Reporting Requirements.
    3.2.1 General Reporting Provisions. You must comply with the
following requirements for reporting PM CPMS data from each affected
EGU (or group of EGUs monitored at a common stack) under this
subpart:
    <IP_ADDRESS> Notifications, in accordance with section 3.2.2 of this
appendix;
    <IP_ADDRESS> Monitoring plan reporting, in accordance with section
3.2.3 of this appendix;
    <IP_ADDRESS> Report submittals, in accordance with sections 3.2.4 and
3.2.5 of this appendix.
    3.2.2 Notifications. You must provide notifications for the
affected unit (or group of units monitored at a common stack) in
accordance with Sec.  63.10030.
    3.2.3 Monitoring Plan Reporting. For each affected unit (or
group of units monitored at a common stack) under this subpart using
a PM CPMS you must make monitoring plan submittals as follows:
    <IP_ADDRESS> For units using the PM CPMS compliance option prior to
January 1, 2024, submit the electronic monitoring plan information
in section <IP_ADDRESS>.1 of this appendix prior to or concurrent with
the first required electronic quarterly report. For units switching
to the PM CPMS methodology on or after January 1, 2024, submit the
electronic monitoring plan no later than 21 days prior to the date
on which the PM test is performed to establish the initial operating
limit.
    <IP_ADDRESS> Whenever an update of the electronic monitoring plan is
required, as provided in section <IP_ADDRESS>.2 of this appendix, the
updated information must be submitted either prior to or concurrent
with the relevant quarterly electronic emissions report.
    <IP_ADDRESS> All electronic monitoring plan submittals and updates
shall be made to the Administrator using the ECMPS Client Tool.
    <IP_ADDRESS> In accordance with Sec.  63.10000(d), you must submit
the site-specific monitoring plan described in section <IP_ADDRESS> of
this appendix to the Administrator, if requested.
    3.2.4 Electronic Quarterly Reports.
    <IP_ADDRESS> For each affected EGU (or group of EGUs monitored at a
common stack) that is subject to the provisions of this appendix,
reporting of hourly responses from the PM CPMS will begin either
with the first operating hour in the third quarter of 2023 or the
first operating hour after completion of the initial stack test that
establishes the operating limit, whichever is later. The owner or
operator must then use the ECMPS Client Tool to submit electronic
quarterly reports to the Administrator, in an XML format specified
by the Administrator, starting with a report for the later of:
    <IP_ADDRESS>.1 The first calendar quarter of 2024; or
    <IP_ADDRESS>.2 The calendar quarter in which the initial operating
limit for the PM CPMS is established.
    <IP_ADDRESS> The electronic quarterly reports must be submitted
within 30 days following the end of each calendar quarter, except
for units that have been placed in long-term cold storage (as
defined in Sec.  72.2 of this chapter).
    <IP_ADDRESS> Each electronic quarterly report shall include the
following information:
    <IP_ADDRESS>.1 The date of report generation;
    <IP_ADDRESS>.2 Facility identification information; and
    <IP_ADDRESS>.3 The information in sections 3.1.2 and 3.1.3 of this
appendix.
    <IP_ADDRESS> Compliance Certification. Based on a reasonable inquiry
of those persons with primary responsibility for ensuring that the
output from the PM CPMS has been correctly and fully monitored, the
owner or operator shall submit a compliance certification in support
of each electronic quarterly report. The compliance certification
shall include a statement by a responsible official with that
official's name, title, and signature, certifying that, to the best
of his or her knowledge, the report is true, accurate, and complete.
    3.2.5 Performance Stack Test Results. You must use the ECMPS
Client Tool to report the results of all performance stack tests
conducted to document compliance with the applicable emissions limit
in Table 1 or 2 to this subpart, as follows:
    <IP_ADDRESS> Report a summary of each test electronically, in XML
format, in the relevant quarterly compliance report under Sec.
63.10031(g); and
    <IP_ADDRESS> Provide a complete stack test report as a PDF file, in
accordance with Sec.  63.10031(f) or (h), as applicable.

0
19. Add appendix E to subpart UUUUU to read as follows:

Appendix E to Subpart UUUUU of Part 63--Data Elements

    1.0 You must record the electronic data elements in this
appendix that apply to your compliance strategy under this subpart.
The applicable data elements in sections 2 through 13 of this
appendix must be reported in the quarterly compliance reports
required under Sec.  63.10031(g), in an XML format prescribed by the
Administrator, starting with a report that covers the first quarter
of 2024. For stack tests used to demonstrate compliance, RATAs, PM
CEMS correlations, RRAs and RCAs that are completed on and after
January 1, 2024, the applicable data elements in sections 17 through
30 of this appendix must be reported in an XML format prescribed by
the Administrator, and the information in section 31 of this
appendix must be reported in as one or more PDF files.
    2.0 MATS Compliance Report Root Data Elements. You must record
the following data elements and include them in each quarterly
compliance report:
    2.1 ORIS Code;
    2.2 Facility Name;
    2.3 Facility Registry Identifier;
    2.4 Title 40 Part;
    2.5 Applicable Subpart;
    2.6 Calendar Year;
    2.7 Calendar Quarter; and
    2.8 Submission Comment (Optional).
    3.0 Performance Stack Test Summary. If you elect to demonstrate
compliance using periodic performance stack testing (including 30-
boiler operating day Hg LEE tests), record the following data
elements for each test:
    3.1 Parameter;
    3.2 Test Location ID;
    3.3 Test Number;
    3.4 Test Begin Date, Hour, and Minute;
    3.5 Test End Date, Hour, and Minute;
    3.6 Timing of Test (either performed on-schedule according to
Sec.  63.10006(f), or was late);
    3.7 Averaging Plan Indicator;
    3.8 Averaging Group ID (if applicable);
    3.9 EPA Test Method Code;
    3.10 Emission Limit, Including Units of Measure;
    3.11 Average Pollutant Emission Rate;
    3.12 LEE Indicator;
    3.13 LEE Basis (if applicable); and
    3.14 Submission Comment (Optional).
    4.0 Operating limit Data (PM CPMS, only):
    4.1 Parameter Type;
    4.2 Operating Limit; and
    4.3 Units of Measure.
    5.0 Performance Test Run Data. For each run of the performance
stack test, record the following data elements:
    5.1 Run Number;

    5.2 Run Begin Date, Hour, and Minute;
    5.3 Run End Date, Hour, and Minute;
    5.4 Pollutant Concentration and units of measure;
    5.5 Emission Rate;
    5.6 EPA test Method 19 Equation (if applicable);
    5.7 Total Sampling Time; and
    5.8 Total Sample Volume.
    6.0 Conversion Parameters. For the parameters that are used to
convert the pollutant concentration to units of the emission
standard (including, as applicable, CO2 or O2
concentration, stack gas flow rate, stack gas moisture content, F-
factors, and gross output), record:
    6.1 Parameter Type;
    6.2 Parameter Source; and
    6.3 Parameter Value, including Units of Measure.
    7.0 QA Parameters: For key parameters that are used to quality-
assure the reference method data (including, as applicable, filter
temperature, % isokinetic, leak check results, % breakthrough, %
spike recovery, and relative deviation), record:
    7.1 Parameter Type;
    7.2 Parameter Value; and
    7.3 Pass/Fail Status.
    8.0 Averaging Group Configuration. If a particular EGU or common
stack is included in an averaging plan, record the following data
elements:
    8.1 Parameter Being Averaged;
    8.2 Averaging Group ID; and
    8.3 Unit or Common Stack ID.
    9.0 Compliance Averages. If you elect to (or are required to)
demonstrate compliance using continuous monitoring system(s) on a
30-boiler operating day rolling average basis (or on a 30- or 90-
group boiler operating day rolling weighted average emission rate
(WAER) basis, if your monitored EGU or common stack is in an
averaging plan), you must record the following data elements for
each average emission rate (or, for units in an averaging plan, for
each weighted average emission rate (WAER)):
    9.1 Unit or Common Stack ID;
    9.2 Averaging Group ID (if applicable);
    9.3 Parameter Being Averaged;
    9.4 Date;
    9.5 Average Type;
    9.6 Units of Measure; and
    9.7 Average Value.
    9.8 Comment Field.
    10.0 Unit Information. You must record the following data
elements for each EGU:
    10.1 Unit ID;
    10.2 Date of Last Tune-up; and
    10.3 Emergency Bypass Information. If your coal-fired EGU, solid
oil-derived fuel-fired EGU, or IGCC is equipped with a main stack
and a bypass stack (or bypass duct) configuration, and has qualified
to use the LEE compliance option, you must report the following
emergency bypass information annually, in the compliance report for
the fourth calendar quarter of the year:
    10.3.1 The number of emergency bypass hours for the year, as a
percentage of the EGU's annual operating hours;
    10.3.2 A description of each emergency bypass event during the
year, including the cause and corrective actions taken;
    10.3.3 An explanation of how clean fuels were burned to the