maintain the CEMS according to the
                                                                                applicable performance specification
                                                                                (PS-7, PS-8, PS-9, or PS-15) of 40 CFR
                                                                                part 60, appendix B; and
                                                                                (c) you must collect CEMS emissions data
                                                                                at the inlet and outlet of each control
                                                                                device during the period of the initial
                                                                                compliance demonstration and determine
                                                                                the CEMS operating limit during the
                                                                                period of the initial compliance
                                                                                demonstration.
--------------------------------------------------------------------------------------------------------------------------------------------------------

0
15. Table 5 to Subpart UUUU is revised to read as follows:

Table 5 to Subpart UUUU of Part 63--Continuous Compliance With Emission
Limits and Work Practice Standards

    As required in Sec.  63.5555(a), you must demonstrate continuous
compliance with the appropriate emission limits and work practice
standards according to the requirements in the following table:

--------------------------------------------------------------------------------------------------------------------------------------------------------
                                                                   for the following emission limit or work   you must demonstrate continuous compliance
               For . . .                        at . . .                    practice standard . . .                            by . . .
--------------------------------------------------------------------------------------------------------------------------------------------------------
1. the sum of all viscose process       a. each existing or new   i. reduce total uncontrolled sulfide        (1) maintaining a material balance that
 vents.                                  viscose process           emissions (reported as carbon disulfide)    includes the pertinent data used to
                                         affected source.          by at least the specified percentage        determine the percent reduction of total
                                                                   based on a 6-month rolling average;         sulfide emissions;
                                                                  ii. for each vent stream that you control   (2) documenting the percent reduction of
                                                                   using a control device (except for          total sulfide emissions using the
                                                                   retractable hoods over sulfuric acid        pertinent data from the material balance;
                                                                   baths at a cellophane operation), route     and
                                                                   the vent stream through a closed-vent      (3) complying with the continuous
                                                                   system to the control device; and           compliance requirements for closed-vent
                                                                  iii. comply with the work practice           systems.
                                                                   standard for closed-vent systems (except
                                                                   for retractable hoods over sulfuric acid
                                                                   baths at a cellophane operation)
2. the sum of all solvent coating       a. each existing or new   i. reduce uncontrolled toluene emissions    (1) maintaining a material balance that
 process vents.                          cellophane operation.     by at least 95 percent based on a 6-month   includes the pertinent data used to
                                                                   rolling average;                            determine the percent reduction of
                                                                  ii. for each vent stream that you control    toluene emissions;
                                                                   using a control device, route the vent     (2) documenting the percent reduction of
                                                                   stream through a closed-vent system to      toluene emissions using the pertinent
                                                                   the control device; and                     data from the material balance; and
                                                                  iii. comply with the work practice          (3) complying with the continuous
                                                                   standard for closed-vent systems.           compliance requirements for closed-vent
                                                                                systems.

3. the sum of all cellulose ether       a. each existing or new   i. reduce total uncontrolled organic HAP    (1) complying with the continuous
 process vents.                          cellulose ether           emissions by at least 99 percent;           compliance requirements for closed-vent
                                         operation using a        ii. for each vent stream that you control    systems; or
                                         performance test to       using a control device, route the vent     (2) if using extended cookout to comply,
                                         demonstrate initial       stream through a closed-vent system to      monitoring reactor charges and keeping
                                         compliance; or.           the control device; and,                    records to show that extended cookout was
                                                                  iii. comply with the work practice           employed.
                                                                   standard for closed-vent systems; or
                                        b. each existing or new   i. reduce total uncontrolled organic HAP    (1) maintaining a material balance that
                                         cellulose ether           emissions by at least 99 percent based on   includes the pertinent data used to
                                         operation using a         a 6-month rolling average;                  determine the percent reduction of total
                                         material balance         ii. for each vent stream that you control    organic HAP emissions;
                                         compliance                using a control device, route the vent     (2) documenting the percent reduction of
                                         demonstration to          stream through a closed-vent system to      total organic HAP emissions using the
                                         demonstrate initial       control device; and                         pertinent data from the material balance;
                                         compliance.              iii. comply with the work practice          (3) if using extended cookout to comply,
                                                                   standard for closed-vent systems.           monitoring reactor charges and keeping
                                                                                records to show that extended cookout was
                                                                                employed;
                                                                                (4) complying with the continuous
                                                                                compliance requirements for closed-vent
                                                                                systems.
4. closed-loop systems................  each existing or new      operate and maintain a closed-loop system.  keeping a record certifying that a closed-
                                         cellulose ether                                                       loop system is in use for cellulose ether
                                         operation.                                                            operations.
5. each carbon disulfide unloading and  a. each existing or new   i. reduce uncontrolled carbon disulfide     (1) keeping a record documenting the 83
 storage operation.                      viscose process           emissions by at least 83 percent based on   percent reduction in carbon disulfide
                                         affected source.          a 6-month rolling average if you use an     emissions; and
                                                                   alternative control technique not listed   (2) if venting to a control device to
                                                                   in this table for carbon disulfide          reduce emissions, complying with the
                                                                   unloading and storage operations; if        continuous compliance requirements for
                                                                   using a control device to reduce            closed-vent systems;
                                                                   emissions, route emissions through a
                                                                   closed-vent system to the control device;
                                                                   and comply with the work practice
                                                                   standard for closed-vent systems;
                                        ........................  ii. reduce total uncontrolled sulfide       (1) maintaining a material balance that
                                                                   emissions by at least 0.14 percent from     includes the pertinent data used to
                                                                   viscose process vents based on a 6-month    determine the percent reduction of total
                                                                   rolling average; for each vent stream       sulfide emissions;
                                                                   that you control using a control device,   (2) documenting the percent reduction of
                                                                   route the vent stream through a closed-     total sulfide emissions using the
                                                                   vent system to the control device; and      pertinent data from the material balance;
                                                                   comply with the work practice standard      and
                                                                   for closed-vent systems;                   (3) complying with the continuous
                                                                                compliance requirements for closed-vent
                                                                                systems;
                                        ........................  iii. install a nitrogen unloading and       Keeping a record certifying that a
                                                                   storage system; or                          nitrogen unloading and storage system is
                                                                                in use; or
                                        ........................  iv. install a nitrogen unloading system;    (1) keeping a record certifying that a
                                                                   reduce total uncontrolled sulfide           nitrogen unloading system is in use;
                                                                   emissions by at least 0.045 percent from   (2) maintaining a material balance that
                                                                   viscose process vents based on a 6-month    includes the pertinent data used to
                                                                   rolling average; for each vent stream       determine the percent reduction of total
                                                                   that you control using a control device,    sulfide emissions;
                                                                   route the vent stream through a closed-    (3) documenting the percent reduction of
                                                                   vent system to the control device; and      total sulfide emissions using the
                                                                   comply with the work practice standard      pertinent data from the material balance;
                                                                   for closed-vent systems.                    and
                                                                                (4) complying with the continuous
                                                                                compliance requirements for closed-vent
                                                                                systems.
6. each toluene storage vessel........  a. each existing or new   i. reduce uncontrolled toluene emissions    (1) maintaining a material balance that
                                         cellophane operation.     by at least 95 percent based on a 6-month   includes the pertinent data used to
                                                                   rolling average;                            determine the percent reduction of
                                                                  ii. if using a control device to reduce      toluene emissions;
                                                                   emissions, route the emissions through a   (2) documenting the percent reduction of
                                                                   closed-vent system to the control device;   toluene emissions using the pertinent
                                                                   and                                         data from the material balance; and
                                                                  iii. comply with the work practice          (3) if venting to a control device to
                                                                   standard for closed vent systems.           reduce emissions, complying with the
                                                                                continuous compliance requirements for
                                                                                closed-vent systems.
7. equipment leaks....................  a. each existing or new   i. applicable equipment leak standards of   complying with the applicable equipment
                                         cellulose ether           Sec.  Sec.   63.162 through 63.179; or      leak continuous compliance provisions of
                                         operation.               ii. applicable equipment leak standards of   Sec.  Sec.   63.162 through 63.179; or
                                                                   Sec.  Sec.   63.1021 through 63.1037.       complying with the applicable equipment
                                                                                leak continuous compliance provisions of
                                                                                Sec.  Sec.   63.1021 through 63.1037.

8. all sources of wastewater emissions  each existing or new      applicable wastewater provisions of Sec.    complying with the applicable wastewater
                                         cellulose either          63.105 and Sec.  Sec.   63.132 through      continuous compliance provisions of Sec.
                                         operation.                63.140.                                     Sec.   63.105, 63.143, and 63.148.
9. liquid streams in open systems.....  each existing or new      comply with the applicable provisions of    conducting inspections, repairing
                                         cellulose ether           Sec.   63.149, except that references to    failures, documenting delay of repair,
                                         operation.                ``chemical manufacturing process unit''     and maintaining records of failures and
                                                                   mean ``cellulose ether process unit'' for   corrective actions according to Sec.
                                                                   the purposes of this subpart.               Sec.   63.133 through 63.137.
10. closed-vent system used to route    each existing or new      conduct annual inspections, repair leaks,   conducting the inspections, repairing
 emissions to a control device.          affected source.          maintain records as specified in Sec.       leaks, and maintaining records according
                                                                   63.148.                                     to Sec.   63.148.
11. closed-vent system containing a     a. each existing or new   i. install, calibrate, maintain, and        (1) taking readings from the flow
 bypass line that could divert a vent    affected source.          operate a flow indicator as specified in    indicator at least once every 15 minutes;
 stream away from a control device,                                Sec.   63.148(f)(1); or                    (2) maintaining hourly records of flow
 except for equipment needed for                                                                               indicator operation and detection of any
 safety purposes (described in Sec.                                                                            diversion during the hour, and
 63.148(f)(3).                                                                                (3) recording all periods when the vent
                                                                                stream is diverted from the control
                                                                                stream or the flow indicator is not
                                                                                operating; or
                                                                  ii. secure the bypass line valve in the     (1) maintaining a record of the monthly
                                                                   closed position with a car-seal or lock-    visual inspection of the seal or closure
                                                                   and-key type configuration and inspect      mechanism for the bypass line; and
                                                                   the seal or mechanism at least once per    (2) recording all periods when the seal
                                                                   month as specified in Sec.                  mechanism is broken, the bypass line
                                                                   63.148(f)(2).                               valve position has changed, or the key
                                                                                for a lock-and-key type lock has been
                                                                                checked out.
12. heat exchanger system that cools    a. each existing or new   i. monitor and repair the heat exchanger    (1) monitoring for HAP compounds, other
 process equipment or materials in the   affected source.          system according to Sec.   63.104(a)        substances, or surrogate indicators at
 process unit.                                                     through (e), except that references to      the frequency specified in Sec.
                                                                   ``chemical manufacturing process unit''     63.104(b) or (c);
                                                                   mean ``cellulose food casing, rayon,       (2) repairing leaks within the time period
                                                                   cellulosic sponge, cellophane, or           specified in Sec.   63.104(d)(1);
                                                                   cellulose ether process unit'' for the     (3) confirming that the repair is
                                                                   purposes of this subpart.                   successful as specified in Sec.
                                                                                63.104(d)(2);
                                                                                (4) following the procedures in Sec.
                                                                                63.104(e) if you implement delay of
                                                                                repair; and
                                                                                (5) recording the results of inspections
                                                                                and repair according to Sec.
                                                                                63.104(f)(1).
--------------------------------------------------------------------------------------------------------------------------------------------------------

0
16. Table 6 to Subpart UUUU is revised to read as follows:

Table 6 to Subpart UUUU of Part 63--Continuous Compliance With
Operating Limits

    As required in Sec.  63.5555(a), you must demonstrate continuous
compliance with the appropriate operating limits according to the
requirements in the following table:

----------------------------------------------------------------------------------------------------------------
For the following control technique .   for the following operating   you must demonstrate continuous compliance
                 . .                            limit . . .                            by . . .
----------------------------------------------------------------------------------------------------------------
1. condenser.........................  maintain the daily average     collecting the condenser outlet gas or
                                        condenser outlet gas or        condensed liquid temperature data
                                        condensed liquid temperature   according to Sec.   63.5545; reducing the
                                        no higher than the value       condenser outlet gas temperature data to
                                        established during the         daily averages; and maintaining the daily
                                        compliance demonstration.      average condenser outlet gas or condensed
                                                                       liquid temperature no higher than the
                                                                       value established during the compliance
                                                                       demonstration.
2. thermal oxidizer..................  a. for normal operations,      collecting the thermal oxidizer firebox
                                        maintain the daily average     temperature data according to Sec.
                                        thermal oxidizer firebox       63.5545; reducing the thermal oxidizer
                                        temperature no lower than      firebox temperature data to daily
                                        the value established during   averages; and maintaining the daily
                                        the compliance demonstration.  average thermal oxidizer firebox
                                                                       temperature no lower than the value
                                                                       established during the compliance
                                                                       demonstration.
                                       b. for periods of startup,     collecting the appropriate, site-specific
                                        maintain documentation         data needed to demonstrate that the
                                        demonstrating that the         oxidizer was properly operating prior to
                                        oxidizer was properly          emission unit start up; and excluding
                                        operating (e.g., firebox       firebox temperature from the daily
                                        temperature had reached the    averages during emission unit startup.
                                        setpoint temperature) prior
                                        to emission unit startup..

3. water scrubber....................  a. for periods of normal       collecting the scrubber pressure drop and
                                        operation, maintain the        scrubber liquid flow rate data according
                                        daily average scrubber         to Sec.   63.5545; reducing the scrubber
                                        pressure drop and scrubber     parameter data to daily averages; and
                                        liquid flow rate within the    maintaining the daily scrubber parameter
                                        range of values established    values within the range of values
                                        during the compliance          established during the compliance
                                        demonstration.                 demonstration.
                                       b. for periods of startup and  collecting the appropriate, site-specific
                                        shutdown, maintain             data needed to demonstrate that the
                                        documentation to confirm       scrubber was operating properly during
                                        that the scrubber is           emission unit startup and emission unit
                                        operating properly prior to    shutdown; and excluding parameters from
                                        emission unit startup and      the daily average calculations.
                                        continues to operate
                                        properly until emission unit
                                        shutdown is complete.
                                        Appropriate startup and
                                        shutdown operating
                                        parameters may be based on
                                        equipment design,
                                        manufacturer's
                                        recommendations, or other
                                        site-specific operating
                                        values established for
                                        normal operating periods..
4. caustic scrubber..................  a. for periods of normal       collecting the scrubber pressure drop,
                                        operation, maintain the        scrubber liquid flow rate, and scrubber
                                        daily average scrubber         liquid pH, conductivity, or alkalinity
                                        pressure drop, scrubber        data according to Sec.   63.5545;
                                        liquid flow rate, and          reducing the scrubber parameter data to
                                        scrubber liquid pH,            daily averages; and maintaining the daily
                                        conductivity, or alkalinity    scrubber parameter values within the
                                        within the range of values     range of values established during the
                                        established during the         compliance demonstration.
                                        compliance demonstration.
                                       b. for periods of startup and  collecting the appropriate, site-specific
                                        shutdown, maintain             data needed to demonstrate that the
                                        documentation to confirm       scrubber was operating properly during
                                        that the scrubber is           emission unit startup and emission unit
                                        operating properly prior to    shutdown; and excluding parameters from
                                        emission unit startup and      the daily average calculations.
                                        continues to operate
                                        properly until emission unit
                                        shutdown is complete.
                                        Appropriate startup and
                                        shutdown operating
                                        parameters may be based on
                                        equipment design,
                                        manufacturer's
                                        recommendations, or other
                                        site-specific operating
                                        values established for
                                        normal operating periods..
5. flare.............................  maintain the presence of a     collecting the pilot flame data according
                                        pilot flame.                   to Sec.   63.5545; and maintaining the
                                                                       presence of the pilot flame.
6. biofilter.........................  maintain the daily average     collecting the biofilter inlet gas
                                        biofilter inlet gas            temperature, biofilter effluent pH or
                                        temperature, biofilter         conductivity, and biofilter pressure drop
                                        effluent pH or conductivity,   data according to Sec.   63.5545;
                                        and pressure drop within the   reducing the biofilter parameter data to
                                        values established during      daily averages; and maintaining the daily
                                        the compliance demonstration.  biofilter parameter values within the
                                                                       values established during the compliance
                                                                       demonstration.
7. carbon absorber...................  maintain the regeneration      collecting the data on regeneration
                                        frequency, total               frequency, total regeneration stream mass
                                        regeneration stream mass or    or volumetric flow during carbon bed
                                        volumetric flow during         regeneration and temperature of the
                                        carbon bed regeneration and    carbon bed after regeneration (and within
                                        temperature of the carbon      15 minutes of completing any cooling
                                        bed after regeneration (and    cycle(s)) for each regeneration cycle
                                        within 15 minutes of           according to Sec.   63.5545; and
                                        completing any cooling         maintaining carbon absorber parameter
                                        cycle(s)) for each             values for each regeneration cycle within
                                        regeneration cycle within      the values established during the
                                        the values established         compliance demonstration.
                                        during the compliance
                                        demonstration.
8. oil absorber......................  maintain the daily average     collecting the absorption liquid flow,
                                        absorption liquid flow,        absorption liquid temperature, and steam
                                        absorption liquid              flow data according to Sec.   63.5545;
                                        temperature, and steam flow    reducing the oil absorber parameter data
                                        within the values              to daily averages; and maintaining the
                                        established during the         daily oil absorber parameter values
                                        compliance demonstration.      within the values established during the
                                                                       compliance demonstration.
9. any of the control techniques       if using a CEMS, maintain the  collecting CEMS emissions data at the
 specified in this table.               daily average control          inlet and outlet of each control device
                                        efficiency for each control    according to Sec.   63.5545; determining
                                        device no lower than the       the control efficiency values for each
                                        value established during the   control device using the inlet and outlet
                                        compliance demonstration.      CEMS emissions data; reducing the control
                                                                       efficiency values for each control device
                                                                       to daily averages; and maintaining the
                                                                       daily average control efficiency for each
                                                                       control device no lower than the value
                                                                       established during the compliance
                                                                       demonstration.
----------------------------------------------------------------------------------------------------------------

0
17. Table 7 to Subpart UUUU is revised to read as follows:

Table 7 to Subpart UUUU of Part 63--Notifications

    As required in Sec. Sec.  63.5490(c)(4), 63.5530(c), 63.5575, and
63.5595(b), you must submit the appropriate notifications specified in
the following table:

------------------------------------------------------------------------
           If you . . .                     then you must . . .
------------------------------------------------------------------------
1. are required to conduct a       submit a notification of intent to
 performance test.                  conduct a performance test at least
                                    60 calendar days before the
                                    performance test is scheduled to
                                    begin, as specified in Sec.  Sec.
                                    63.7(b)(1) and 63.9(e).

2. are required to conduct a CMS   submit a notification of intent to
 performance evaluation.            conduct a CMS performance evaluation
                                    at least 60 calendar days before the
                                    CMS performance evaluation is
                                    scheduled to begin, as specified in
                                    Sec.  Sec.   63.8(e)(2) and 63.9(g).
3. wish to use an alternative      submit a request to use alternative
 monitoring method.                 monitoring method no later than the
                                    notification of the initial
                                    performance test or CMS performance
                                    evaluation or 60 days prior to any
                                    other initial compliance
                                    demonstration, as specified in Sec.
                                     63.8(f)(4).
4. start up your affected source   submit an initial notification no
 before June 11, 2002.              later than 120 days after June 11,
                                    2002, as specified in Sec.
                                    63.9(b)(2).
5. start up your new or            submit an initial notification no
 reconstructed source on or after   later than 120 days after you become
 June 11, 2002.                     subject to this subpart, as
                                    specified in Sec.   63.9(b)(3).
6. cannot comply with the          submit a request for extension of
 relevant standard by the           compliance no later than 120 days
 applicable compliance date.        before the compliance date, as
                                    specified in Sec.  Sec.   63.9(c)
                                    and 63.6(i)(4).
7. are subject to special          notify the Administrator of your
 requirements as specified in       compliance obligations no later than
 Sec.   63.6(b)(3) and (4).         the initial notification dates
                                    established in Sec.   63.9(b) for
                                    new sources not subject to the
                                    special provisions, as specified in
                                    Sec.   63.9(d).
8. are required to conduct         notify the Administrator of the
 visible emission observations to   anticipated date for conducting the
 determine the compliance of        observations specified in Sec.
 flares as specified in Sec.        63.6(h)(5), as specified in Sec.
 63.11(b)(4).                       Sec.   63.6(h)(4) and 63.9(f).
9. are required to conduct a       a. submit a Notification of
 performance test or other          Compliance Status Report, as
 initial compliance demonstration   specified in Sec.   63.9(h);
 as specified in Table 3 to this   b. submit the Notification of
 subpart.                           Compliance Status Report, including
                                    the performance test, CEMS
                                    performance evaluation, and any
                                    other initial compliance
                                    demonstration results within 240
                                    calendar days following the
                                    compliance date specified in Sec.
                                    63.5495; and
                                   c. for sources which construction or
                                    reconstruction commenced on or
                                    before September 9, 2019, beginning
                                    on December 29, 2020, submit all
                                    subsequent Notifications of
                                    Compliance Status following the
                                    procedure specified in Sec.
                                    63.5580(g), (j), and (k). For
                                    sources which construction or
                                    reconstruction commenced after
                                    September 9, 2019, on July 2, 2020,
                                    or immediately upon startup,
                                    whichever is later, submit all
                                    subsequent Notifications of
                                    Compliance Status following the
                                    procedure specified in Sec.
                                    63.5580(g), (j), and (k).
10. comply with the equipment      comply with the notification
 leak requirements of subpart H     requirements specified in Sec.
 of this part for existing or new   63.182(a)(1) and (2), (b), and
 cellulose ether affected sources.  (c)(1) through (3) for equipment
                                    leaks, with the Notification of
                                    Compliance Status Reports required
                                    in subpart H included in the
                                    Notification of Compliance Status
                                    Report required in this subpart.
11. comply with the equipment      comply with the notification
 leak requirements of subpart UU    requirements specified in Sec.
 of this part for existing or new   63.1039(a) for equipment leaks, with
 cellulose ether affected sources.  the Notification Compliance Status
                                    Reports required in subpart UU of
                                    this part included in the
                                    Notification of Compliance Status
                                    Report required in this subpart.
12. comply with the wastewater     comply with the notification
 requirements of subparts F and G   requirements specified in Sec.  Sec.
 of this part for existing or new     63.146(a) and (b), 63.151, and
 cellulose ether affected sources.  63.152(a)(1) through (3) and (b)(1)
                                    through (5) for wastewater, with the
                                    Notification of Compliance Status
                                    Reports required in subpart G of
                                    this part included in the
                                    Notification of Compliance Status
                                    Report required in this subpart.
------------------------------------------------------------------------

0
18. Table 8 to Subpart UUUU is revised to read as follows:

Table 8 to Subpart UUUU of Part 63--Reporting Requirements

    As required in Sec.  63.5580, you must submit the appropriate
reports specified in the following table:

------------------------------------------------------------------------
 You must submit a compliance report, which     and you must submit the
must contain the following information . . .         report . . .
------------------------------------------------------------------------
1. if there are no deviations from any        semiannually as specified
 emission limit, operating limit, or work      in Sec.   63.5580(b);
 practice standard during the reporting        beginning on December 29,
 period, then the report must contain the      2020, submit all
 information specified in Sec.   63.5580(c);   subsequent reports
                                               following the procedure
                                               specified in Sec.
                                               63.5580(g).
2. if there were no periods during which the
 CMS was out-of-control, then the report
 must contain the information specified in
 Sec.   63.5580(c)(6);
3. if there is a deviation from any emission
 limit, operating limit, or work practice
 standard during the reporting period, then
 the report must contain the information
 specified in Sec.   63.5580(c) and (d);
4. if there were periods during which the
 CMS was out-of-control, then the report
 must contain the information specified in
 Sec.   63.5580(e);

5. for sources which commenced construction
 or reconstruction on or before September 9,
 2019, if prior to December 29, 2020, you
 had a startup, shutdown, or malfunction
 during the reporting period and you took
 actions consistent with your SSM plan, then
 the report must contain the information
 specified in Sec.   63.10(d)(5)(i);
6. for sources which commenced construction
 or reconstruction on or before September 9,
 2019, if prior to December 29, 2020, you
 had a startup, shutdown, or malfunction
 during the reporting period and you took
 actions that are not consistent with your
 SSM plan, then the report must contain the
 information specified in Sec.
 63.10(d)(5)(ii);
7. the report must contain any change in
 information already provided, as specified
 in Sec.   63.9(j);
8. for cellulose ether affected sources
 complying with the equipment leak
 requirements of subpart H of this part, the
 report must contain the information
 specified in Sec.   63.182(a)(3) and (6)
 and (d)(2) through (4);
9. for cellulose ether affected sources
 complying with the equipment leak
 requirements of subpart UU of this part,
 the report must contain the information
 specified in Sec.   63.1039(b);
10. for cellulose ether affected sources
 complying with the wastewater requirements
 of subparts F and G of this part, the
 report must contain the information
 specified in Sec.  Sec.   63.146(c) through
 (e) and 63.152(a)(4) and (5) and (c)
 through (e);
11. for affected sources complying with the
 closed-vent system provisions in Sec.
 63.148, the report must contain the
 information specified in Sec.
 63.148(j)(1);
12. for affected sources complying with the
 bypass line provisions in Sec.   63.148(f),
 the report must contain the information
 specified in Sec.   63.148(j)(2) and (3);
13. for affected sources invoking the delay
 of repair provisions in Sec.   63.104(e)
 for heat exchanger systems, the next
 compliance report must contain the
 information in Sec.   63.104(f)(2)(i)
 through (iv); if the leak remains
 unrepaired, the information must also be
 submitted in each subsequent compliance
 report until the repair of the leak is
 reported; and
14. for storage vessels subject to the
 emission limits and work practice standards
 in Table 1 to Subpart UUUU, the report must
 contain the periods of planned routine
 maintenance during which the control device
 does not comply with the emission limits or
 work practice standards in Table 1 to this
 subpart.
------------------------------------------------------------------------

0
19. Table 9 to Subpart UUUU is revised to read as follows:

Table 9 to Subpart UUUU of Part 63--Recordkeeping Requirements

    As required in Sec.  63.5585, you must keep the appropriate records
specified in the following table:

----------------------------------------------------------------------------------------------------------------
          If you operate . . .            then you must keep . . .       and the record(s) must contain . . .
----------------------------------------------------------------------------------------------------------------
1. an existing or new affected source..  a copy of each              all documentation supporting any Initial
                                          notification and report     Notification or Notification of Compliance
                                          that you submitted to       Status Report that you submitted,
                                          comply with this subpart.   according to the requirements in Sec.
                                                                      63.10(b)(2)(xiv), and any compliance
                                                                      report required under this subpart.
2. an existing or new affected source    a. the records in Sec.      i. SSM plan;
 that commenced construction or           63.6(e)(3)(iii) through    ii. when actions taken during a startup,
 reconstruction on or before September    (iv) related to startup,    shutdown, or malfunction are consistent
 9, 2019.                                 shutdown, and malfunction   with the procedures specified in the SSM
                                          prior to December 30,       plan, records demonstrating that the
                                          2020.                       procedures specified in the plan were
                                                                      followed;
                                                                     iii. records of the occurrence and duration
                                                                      of each startup, shutdown, or malfunction;
                                                                      and
                                                                     iv. when actions taken during a startup,
                                                                      shutdown, or malfunction are not
                                                                      consistent with the procedures specified
                                                                      in the SSM plan, records of the actions
                                                                      taken for that event.

                                         b. records related to       i. record the date, time, and duration of
                                          startup and shutdown,       each startup and/or shutdown period,
                                          failures to meet the        including the periods when the affected
                                          standard, and actions       source was subject to the alternative
                                          taken to minimize           operating parameters applicable to startup
                                          emissions after December    and shutdown;
                                          29, 2020.                  ii. in the event that an affected unit
                                                                      fails to meet an applicable standard,
                                                                      record the number of failures. For each
                                                                      failure, record the date, time and
                                                                      duration of each failure;
                                                                     iii. for each failure to meet an applicable
                                                                      standard, record and retain a list of the
                                                                      affected sources or equipment, an estimate
                                                                      of the quantity of each regulated
                                                                      pollutant emitted over any emission limit
                                                                      and a description of the method used to
                                                                      estimate the emissions; and
                                                                     iv. record actions taken to minimize
                                                                      emissions in accordance with Sec.
                                                                      63.5515(b), and any corrective actions
                                                                      taken to return the affected unit to its
                                                                      normal or usual manner of operation.
3. a new or reconstructed affected       a. records related to       i. record the date, time, and duration of
 source that commenced construction or    startup and shutdown,       each startup and/or shutdown period,
 reconstruction after September 9, 2019.  failures to meet the        including the periods when the affected
                                          standard, and actions       source was subject to alternative
                                          taken to minimize           operating parameters applicable to startup
                                          emissions.                  and shutdown;
                                                                     ii. in the event that an affected unit
                                                                      fails to meet an applicable standard,
                                                                      record the number of failures. For each
                                                                      failure, record the date, time and
                                                                      duration of each failure;
                                                                     iii. for each failure to meet an applicable
                                                                      standard, record and retain a list of the
                                                                      affected sources or equipment, an estimate
                                                                      of the quantity of each regulated
                                                                      pollutant emitted over any emission limit
                                                                      and a description of the method used to
                                                                      estimate the emissions; and
                                                                     iv. record actions taken to minimize
                                                                      emissions in accordance with Sec.
                                                                      63.5515(b), and any corrective actions
                                                                      taken to return the affected unit to its
                                                                      normal or usual manner of operation.
4. an existing or new affected source..  a. a site-specific          i. information regarding the installation
                                          monitoring plan.            of the CMS sampling source probe or other
                                                                      interface at a measurement location
                                                                      relative to each affected process unit
                                                                      such that the measurement is
                                                                      representative of control of the exhaust
                                                                      emissions (e.g., on or downstream of the
                                                                      last control device);
                                                                     ii. performance and equipment
                                                                      specifications for the sample interface,
                                                                      the pollutant concentration or parametric
                                                                      signal analyzer, and the data collection
                                                                      and reduction system;
                                                                     iii. performance evaluation procedures and
                                                                      acceptance criteria (e.g., calibrations);
                                                                     iv. ongoing operation and maintenance
                                                                      procedures in accordance with the general
                                                                      requirements of Sec.  Sec.   63.8(c)(3)
                                                                      and (4)(ii), 63.5515(b), and
                                                                      63.5580(c)(6);
                                                                     v. ongoing data quality assurance
                                                                      procedures in accordance with the general
                                                                      requirements of Sec.   63.8(d)(2); and
                                                                     vi. ongoing recordkeeping and reporting
                                                                      procedures in accordance with the general
                                                                      requirements of Sec.  Sec.   63.10(c)(1)-
                                                                      (6), (c)(9)-(14), (e)(1), and (e)(2)(i)
                                                                      and 63.5585.
5. an existing or new affected source..  records of performance      all results of performance tests, CEMS
                                          tests and CEMS              performance evaluations, and any other
                                          performance evaluations,    initial compliance demonstrations,
                                          as required in Sec.         including analysis of samples,
                                          63.10(b)(2)(viii) and any   determination of emissions, and raw data.
                                          other initial compliance
                                          demonstrations.
6. an existing or new affected source..  a. records for each CEMS..  i. records described in Sec.
                                                                      63.10(b)(2)(vi) through (xi);
                                                                     ii. previous (superseded) versions of the
                                                                      performance evaluation plan, with the
                                                                      program of corrective action included in
                                                                      the plan required under Sec.   63.8(d)(2);
                                                                     iii. request for alternatives to relative
                                                                      accuracy test for CEMS as required in Sec.
                                                                        63.8(f)(6)(i);
                                                                     iv. records of the date and time that each
                                                                      deviation started and stopped, and whether
                                                                      the deviation occurred during a period of
                                                                      startup, shutdown, or malfunction or
                                                                      during another period; and
                                                                     v. records required in Table 6 to Subpart
                                                                      UUUU to show continuous compliance with
                                                                      the operating limit.
7. an existing or new affected source..  a. records for each CPMS..  i. records required in Table 6 to Subpart
                                                                      UUUU to show continuous compliance with
                                                                      each operating limit that applies to you;
                                                                      and
                                                                     ii. results of each CPMS calibration,
                                                                      validation check, and inspection required
                                                                      by Sec.   63.5545(b)(4).
8. an existing or new cellulose ether    records of closed-loop      records certifying that a closed-loop
 affected ether source.                   systems.                    system is in use for cellulose ether
                                                                      operations.
9. an existing or new viscose process    records of nitrogen         records certifying that a nitrogen
 affected source.                         unloading and storage       unloading and storage systems or nitrogen
                                          systems or nitrogen         unloading system is in use.
                                          unloading systems.

10. an existing or new viscose process   records of material         all pertinent data from the material
 affected source.                         balances.                   balances used to estimate the 6-month
                                                                      rolling average percent reduction in HAP
                                                                      emissions.
11. an existing or new viscose process   records of calculations...  documenting the percent reduction in HAP
 affected source.                                                     emissions using pertinent data from the
                                                                      material balances.
12. an existing or new cellulose ether   a. extended cookout         i. the amount of HAP charged to the
 affected source.                         records.                    reactor;
                                                                     ii. the grade of product produced;
                                                                     iii. the calculated amount of HAP remaining
                                                                      before extended cookout; and
                                                                     iv. information showing that extended
                                                                      cookout was employed.
13. an existing or new cellulose ether   a. equipment leak records.  i. the records specified in Sec.   63.181
 affected source.                                                     for equipment leaks; or
                                                                     ii. the records specified in 63.1038 for
                                                                      equipment leaks.
14. an existing or new cellulose ether   wastewater records........  the records specified in Sec.  Sec.
 affected source.                                                     63.105, 63.147, and 63.152(f) and (g) for
                                                                      wastewater.
15. an existing or new affected source.  closed-vent system records  the records specified in Sec.   63.148(i).
16. an existing or new affected source.  a. bypass line records....  i. hourly records of flow indicator
                                                                      operation and detection of any diversion
                                                                      during the hour and records of all periods
                                                                      when the vent stream is diverted from the
                                                                      control stream or the flow indicator is
                                                                      not operating; or
                                                                     ii. the records of the monthly visual
                                                                      inspection of the seal or closure
                                                                      mechanism and of all periods when the seal
                                                                      mechanism is broken, the bypass line valve
                                                                      position has changed, or the key for a
                                                                      lock-and-key type lock has been checked
                                                                      out and records of any car-seal that has
                                                                      broken.
17. an existing or new affected source.  heat exchanger system       records of the results of inspections and
                                          records.                    repair according to source Sec.
                                                                      63.104(f)(1).
18. an existing or new affected source.  control device maintenance  records of planned routine maintenance for
                                          records.                    control devices used to comply with the
                                                                      percent reduction emission limit for
                                                                      storage vessels in Table 1 to Subpart
                                                                      UUUU.
19. an existing or new affected source.  safety device records.....  a record of each time a safety device is
                                                                      opened to avoid unsafe conditions
                                                                      according to Sec.   63.5505(d).
----------------------------------------------------------------------------------------------------------------

0
20. Table 10 to Subpart UUUU is revised to read as follows:

Table 10 to Subpart UUUU of Part 63--Applicability of General
Provisions to Subpart UUUU

    As required in Sec. Sec.  63.5515(h) and 63.5600, you must comply
with the appropriate General Provisions requirements specified in the
following table:

----------------------------------------------------------------------------------------------------------------
             Citation                      Subject              Brief description       Applies to Subpart UUUU
----------------------------------------------------------------------------------------------------------------
Sec.   63.1.......................  Applicability........  Initial applicability       Yes.
                                                            determination;
                                                            applicability after
                                                            standard established;
                                                            permit requirements;
                                                            extensions, notifications.
Sec.   63.2.......................  Definitions..........  Definitions for part 63     Yes.
                                                            standards.
Sec.   63.3.......................  Units and              Units and abbreviations     Yes.
                                     Abbreviations.         for part 63 standards.
Sec.   63.4.......................  Prohibited Activities  Prohibited activities;      Yes.
                                     and Circumvention.     compliance date;
                                                            circumvention,
                                                            severability.
Sec.   63.5.......................  Preconstruction        Preconstruction review      Yes.
                                     Review and             requirements of section
                                     Notification           112(i)(1).
                                     Requirements.
Sec.   63.6(a)....................  Applicability........  General provisions apply    Yes.
                                                            unless compliance
                                                            extension; general
                                                            provisions apply to area
                                                            sources that become major.
Sec.   63.6(b)(1) through (4).....  Compliance Dates for   Standards apply at          Yes.
                                     New and                effective date; 3 years
                                     Reconstructed          after effective date;
                                     sources.               upon startup; 10 years
                                                            after construction or
                                                            reconstruction commences
                                                            for CAA section 112(f).
Sec.   63.6(b)(5).................  Notification.........  Must notify if commenced    Yes.
                                                            construction or
                                                            reconstruction after
                                                            proposal.
Sec.   63.6(b)(6).................  [Reserved]...........
Sec.   63.6(b)(7).................  Compliance Dates for   Area sources that become    Yes.
                                     New and                major must comply with
                                     Reconstructed Area     major source and
                                     Sources That Become    standards immediately
                                     Major.                 upon becoming major,
                                                            regardless of whether
                                                            required to comply when
                                                            they were an area source.

Sec.   63.6(c)(1) and (2).........  Compliance Dates for   Comply according to date    Yes.
                                     Existing Sources.      in subpart, which must be
                                                            no later than 3 years
                                                            after effective date; for
                                                            CAA section 112(f)
                                                            standards, comply within
                                                            90 days of effective date
                                                            unless compliance
                                                            extension.
Sec.   63.6(c)(3) and (4).........  [Reserved]...........
Sec.   63.6(c)(5).................  Compliance Dates for   Area sources that become    Yes.
                                     Existing Area          major must comply with
                                     Sources That Become    major source standards by
                                     Major.                 date indicated in subpart
                                                            or by equivalent time
                                                            period (e.g., 3 years).
Sec.   63.6(d)....................  [Reserved]
Sec.   63.6(e)(1)(i)..............  General Duty to        You must operate and        No, for new or
                                     Minimize Emissions.    maintain affected source    reconstructed sources
                                                            in a manner consistent      which commenced
                                                            with safety and good air    construction or
                                                            pollution control           reconstruction after
                                                            practices for minimizing    September 9, 2019. For
                                                            emissions.                  all other affected
                                                                                sources, Yes before
                                                                                December 30, 2020, and
                                                                                No thereafter. See 40
                                                                                CFR 63.5515(b) for
                                                                                general duty
                                                                                requirement.
Sec.   63.6(e)(1)(ii).............  Requirement to         You must correct            No, for new or
                                     Correct Malfunctions   malfunctions as soon as     reconstructed sources
                                     ASAP.                  practicable after their     which commenced
                                                            occurrence.                 construction or
                                                                                reconstruction after
                                                                                September 9, 2019. For
                                                                                all other affected
                                                                                sources, Yes before
                                                                                December 30, 2020, and
                                                                                No thereafter.
Sec.   63.6(e)(1)(iii)............  Operation and          Operation and maintenance   Yes.
                                     Maintenance            requirements are
                                     Requirements.          enforceable independent
                                                            of emissions limitations
                                                            or other requirements in
                                                            relevant standards.
Sec.   63.6(e)(2).................  [Reserved]...........
Sec.   63.6(e)(3).................  SSM Plan.............  Requirement for SSM and     No, for new or
                                                            SSM plan; content of SSM    reconstructed sources
                                                            plan.                       which commenced
                                                                                construction or
                                                                                reconstruction after
                                                                                September 9, 2019. For
                                                                                all other affected
                                                                                sources, Yes before
                                                                                December 30, 2020, and
                                                                                No thereafter. See 40
                                                                                CFR 63.5515(c).
Sec.   63.6(f)(1).................  SSM Exemption........  You must comply with        No, see 40 CFR
                                                            emission standards at all   63.5515(a).
                                                            times except during SSM.
Sec.   63.6(f)(2) and (3).........  Methods for            Compliance based on         Yes.
                                     Determining            performance test,
                                     Compliance/Finding     operation and maintenance
                                     of Compliance.         plans, records,
                                                            inspection.
Sec.   63.6(g)(1) through (3).....  Alternative Standard.  Procedures for getting an   Yes.
                                                            alternative standard.
Sec.   63.6(h)(1).................  SSM Exemption........  You must comply with        No, see CFR 63.5515(a).
                                                            opacity and visible
                                                            emission standards at all
                                                            times except during SSM.
Sec.   63.6(h)(2) through (9).....  Opacity and Visible    Requirements for opacity    Yes, but only for flares
                                     Emission (VE)          and visible emission        for which EPA Method 22
                                     Standards.             limits.                     observations are
                                                                                required under Sec.
                                                                                63.11(b).
Sec.   63.6(i)(1) through (16)....  Compliance Extension.  Procedures and criteria     Yes.
                                                            for Administrator to
                                                            grant compliance
                                                            extension.
Sec.   63.6(j)....................  Presidential           President may exempt        Yes.
                                     Compliance Exemption.  source category from
                                                            requirement to comply
                                                            with subpart.
Sec.   63.7(a)(1) and (2).........  Performance Test       Dates for conducting        Yes.
                                     Dates.                 initial performance test;
                                                            testing and other
                                                            compliance
                                                            demonstrations; must
                                                            conduct 180 days after
                                                            first subject to subpart.
Sec.   63.7(a)(3).................  Section 114 Authority  Administrator may require   Yes.
                                                            a performance test under
                                                            CAA section 114 at any
                                                            time.
Sec.   63.7(b)(1).................  Notification of        Must notify Administrator   Yes.
                                     Performance Test.      60 days before the test.
Sec.   63.7(b)(2).................  Notification of        If rescheduling a           Yes.
                                     Rescheduling.          performance test is
                                                            necessary, must notify
                                                            Administrator 5 days
                                                            before scheduled date of
                                                            rescheduled test.
Sec.   63.7(c)....................  Quality Assurance and  Requirement to submit site- No.
                                     Test Plan.             specific test plan 60
                                                            days before the test or
                                                            on date Administrator
                                                            agrees with; test plan
                                                            approval procedures;
                                                            performance audit
                                                            requirements; internal
                                                            and external QA
                                                            procedures for testing.
Sec.   63.7(d)....................  Testing Facilities...  Requirements for testing    Yes.
                                                            facilities.
Sec.   63.7(e)(1).................  Performance Testing..  Performance tests must be   No, see Sec.   63.5535
                                                            conducted under             and Table 4.
                                                            representative
                                                            conditions; cannot
                                                            conduct performance tests
                                                            during SSM; not a
                                                            violation to exceed
                                                            standard during SSM.

Sec.   63.7(e)(2).................  Conditions for         Must conduct according to   Yes.
                                     Conducting             this subpart and EPA test
                                     Performance Tests.     methods unless
                                                            Administrator approves
                                                            alternative.
Sec.   63.7(e)(3).................  Test Run Duration....  Must have three test runs   Yes.
                                                            of at least 1 hour each;
                                                            compliance is based on
                                                            arithmetic mean of three
                                                            runs; conditions when
                                                            data from an additional
                                                            test run can be used.
Sec.   63.7(f)....................  Alternative Test       Procedures by which         Yes.
                                     Method.                Administrator can grant
                                                            approval to use an
                                                            alternative test method.
Sec.   63.7(g)....................  Performance Test Data  Must include raw data in    Yes.
                                     Analysis.              performance test report;
                                                            must submit performance
                                                            test data 60 days after
                                                            end of test with the
                                                            Notification of
                                                            Compliance Status Report;
                                                            keep data for 5 years.
Sec.   63.7(h)....................  Waiver of Tests......  Procedures for              Yes.
                                                            Administrator to waive
                                                            performance test.
Sec.   63.8(a)(1).................  Applicability of       Subject to all monitoring   Yes.
                                     Monitoring             requirements in standard.
                                     Requirements.
Sec.   63.8(a)(2).................  Performance            Performance specifications  Yes.
                                     Specifications.        in appendix B of 40 CFR
                                                            part 60 apply.
Sec.   63.8(a)(3).................  [Reserved]...........
Sec.   63.8(a)(4).................  Monitoring with        Unless your subpart says    Yes.
                                     Flares.                otherwise, the
                                                            requirements for flares
                                                            in Sec.   63.11 apply.
Sec.   63.8(b)(1).................  Monitoring...........  Must conduct monitoring     Yes.
                                                            according to standard
                                                            unless Administrator
                                                            approves alternative.
Sec.   63.8(b)(2) and (3).........  Multiple Effluents     Specific requirements for   Yes.
                                     and Multiple           installing monitoring
                                     Monitoring Systems.    systems; must install on
                                                            each effluent before it
                                                            is combined and before it
                                                            is released to the
                                                            atmosphere unless
                                                            Administrator approves
                                                            otherwise; if more than
                                                            one monitoring system on
                                                            an emission point, must
                                                            report all monitoring
                                                            system results, unless
                                                            one monitoring system is
                                                            a backup.
Sec.   63.8(c)(1) and (c)(1)(i)...  General Duty to        Maintain monitoring system  No, for new or
                                     Minimize Emissions     in a manner consistent      reconstructed sources
                                     and CMS Operation.     with good air pollution     which commenced
                                                            control practices.          construction or
                                                                                reconstruction after
                                                                                September 9, 2019. For
                                                                                all other affected
                                                                                sources, Yes before
                                                                                December 30, 2020, and
                                                                                No thereafter. See 40
                                                                                CFR 63.5515(b).
Sec.   63.8(c)(1)(ii).............  Parts for Routine      Keep parts for routine      Yes.
                                     Repairs.               repairs readily available.
Sec.   63.8(c)(1)(iii)............  Requirements to        Develop a written SSM plan  No, for new or
                                     develop SSM Plan for   for CMS.                    reconstructed sources
                                     CMS.                                               which commenced
                                                                                construction or
                                                                                reconstruction after
                                                                                September 9, 2019. For
                                                                                all other affected
                                                                                sources, Yes before
                                                                                December 30, 2020, and
                                                                                No thereafter. See 40
                                                                                CFR 63.5515(c).
Sec.   63.8(c)(2) and (3).........  Monitoring System      Must install to get         Yes.
                                     Installation.          representative emission
                                                            of parameter
                                                            measurements; must verify
                                                            operational status before
                                                            or at performance test.
Sec.   63.8(c)(4).................  CMS Requirements.....  CMS must be operating       No. Replaced with
                                                            except during breakdown,    language in Sec.
                                                            out-of control, repair,     63.5560.
                                                            maintenance, and high-
                                                            level calibration drifts.
Sec.   63.8(c)(4)(i) and (ii).....  CMS Requirements.....  Continuous opacity          Yes, except that Sec.
                                                            monitoring systems (COMS)   63.8(c)(4)(i) does not
                                                            must have a minimum of      apply because subpart
                                                            one cycle of sampling and   UUUU does not require
                                                            analysis for each           COMS.
                                                            successive 10-second
                                                            period and one cycle of
                                                            data recording for each
                                                            successive 6-minute
                                                            period; CEMS must have a
                                                            minimum of one cycle of
                                                            operation for each
                                                            successive 15-minute
                                                            period.
Sec.   63.8(c)(5).................  COMS Minimum           COMS minimum procedures...  No. Subpart UUUU does not
                                     Procedures.                                        require COMS.
Sec.   63.8(c)(6).................  CMS Requirements.....  Zero and high level         No. Replaced with
                                                            calibration check           language in Sec.
                                                            requirements; out-of-       63.5545.
                                                            control periods.
Sec.   63.8(c)(7) and (8).........  CMS Requirements.....  Out-of-control periods,     No. Replaced with
                                                            including reporting.        language in Sec.
                                                                                63.5580(c)(6).

Sec.   63.8(d)....................  CMS Quality Control..  Requirements for CMS        No, except for
                                                            quality control,            requirements in Sec.
                                                            including calibration,      63.8(d)(2).
                                                            etc.; must keep quality
                                                            control plan on record
                                                            for 5 years; keep old
                                                            versions for 5 years
                                                            after revisions; program
                                                            of correction action to
                                                            be included in plan
                                                            required under Sec.
                                                            63.8(d)(2).
Sec.   63.8(e)....................  CMS Performance        Notification, performance   Yes, except that Sec.
                                     Evaluation.            evaluation test plan,       63.8(e)(5)(ii) does not
                                                            reports.                    apply because subpart
                                                                                UUUU does not require
                                                                                COMS.
Sec.   63.8(f)(1) through (5).....  Alternative            Procedures for              Yes, except that no site-
                                     Monitoring Method.     Administrator to approve    specific test plan is
                                                            alternative monitoring.     required. The request to
                                                                                use an alternative
                                                                                monitoring method must
                                                                                be submitted with the
                                                                                notification of
                                                                                performance test or CEMS
                                                                                performance evaluation
                                                                                or 60 days prior to any
                                                                                initial compliance
                                                                                demonstration.
Sec.   63.8(f)(6).................  Alternative to         Procedures for              Yes.
                                     Relative Accuracy      Administrator to approve
                                     Test.                  alternative relative
                                                            accuracy tests for CEMS.
Sec.   63.8(g)(1) through (4).....  Data Reduction.......  COMS 6-minute averages      No. Replaced with
                                                            calculated over at least    language in Sec.
                                                            36 evenly spaced data       63.5545(e).
                                                            points; CEMS 1-hour
                                                            averages computed over at
                                                            least four equally spaced
                                                            data points; data that
                                                            cannot be used in average.
Sec.   63.8(g)(5).................  Data Reduction.......  Data that cannot be used    No. Replaced with
                                                            in computing averages for   language in Sec.
                                                            CEMS and COMS.              63.5560(b).
Sec.   63.9(a)....................  Notification           Applicability and State     Yes.
                                     Requirements.          delegation.
Sec.   63.9(b)(1) through (5).....  Initial Notifications  Submit notification         Yes.
                                                            subject 120 days after
                                                            effective date;
                                                            notification of intent to
                                                            construct or reconstruct;
                                                            notification of
                                                            commencement of
                                                            construction or
                                                            reconstruction;
                                                            notification of startup;
                                                            contents of each.
Sec.   63.9(c)....................  Request for            Can request if cannot       Yes.
                                     Compliance Extension.  comply by date or if
                                                            installed BACT/LAER.
Sec.   63.9(d)....................  Notification of        For sources that commence   Yes.
                                     Special Compliance     construction between
                                     Requirements for New   proposal and promulgation
                                     Source.                and want to comply 3
                                                            years after effective
                                                            date.
Sec.   63.9(e)....................  Notification of        Notify Administrator 60     Yes.
                                     Performance Test.      days prior.
Sec.   63.9(f)....................  Notification of VE or  Notify Administrator 30     Yes, but only for flares
                                     Opacity Test.          days prior.                 for which EPA Method 22
                                                                                observations are
                                                                                required as part of a
                                                                                flare compliance
                                                                                assessment.
Sec.   63.9(g)....................  Additional             Notification of             Yes, except that Sec.
                                     Notifications When     performance evaluation;     63.9(g)(2) does not
                                     Using CMS.             notification using COMS     apply because subpart
                                                            data; notification that     UUUU does not require
                                                            exceeded criterion for      COMS.
                                                            relative accuracy.
Sec.   63.9(h)(1) through (6).....  Notification of        Contents; due 60 days       Yes, except that Table 7
                                     Compliance Status      after end of performance    to this subpart
                                     Report.                test or other compliance    specifies the submittal
                                                            demonstration, except for   date for the
                                                            opacity or VE, which are    notification. The
                                                            due 30 days after; when     contents of the
                                                            to submit to federal vs.    notification will also
                                                            state authority.            include the results of
                                                                                EPA Method 22
                                                                                observations required as
                                                                                part of a flare
                                                                                compliance assessment.
Sec.   63.9(i)....................  Adjustment of          Procedures for              Yes.
                                     Submittal Deadlines.   Administrator to approve
                                                            change in when
                                                            notifications must be
                                                            submitted.
Sec.   63.9(j)....................  Change in Previous     Must submit within 15 days  Yes, except that the
                                     Information.           after the change.           notification must be
                                                                                submitted as part of the
                                                                                next semiannual
                                                                                compliance report, as
                                                                                specified in Table 8 to
                                                                                this subpart.
Sec.   63.10(a)...................  Recordkeeping and      Applies to all, unless      Yes.
                                     Reporting.             compliance extension;
                                                            when to submit to federal
                                                            vs. state authority;
                                                            procedures for owners of
                                                            more than one source.
Sec.   63.10(b)(1)................  Recordkeeping and      General requirements; keep  Yes.
                                     Reporting.             all records readily
                                                            available; keep for 5
                                                            years.
Sec.   63.10(b)(2)(i).............  Recordkeeping of       Records of occurrence and   No, for new or
                                     Occurrence and         duration of each startup    reconstructed sources
                                     Duration of Startups   or shutdown that causes     which commenced
                                     and Shutdowns.         source to exceed emission   construction or
                                                            limitation.                 reconstruction after
                                                                                September 9, 2019.For
                                                                                all other affected
                                                                                sources, Yes before
                                                                                December 29, 2020, and
                                                                                No thereafter.

Sec.   63.10(b)(2)(ii)............  Recordkeeping of       Records of occurrence and   No, see Table 9 for
                                     Failures to Meet a     duration of each            recordkeeping of (1)
                                     Standard.              malfunction of operation    date, time and duration;
                                                            or air pollution control    (2) listing of affected
                                                            and monitoring equipment.   source or equipment, and
                                                                                an estimate of the
                                                                                quantity of each
                                                                                regulated pollutant
                                                                                emitted over the
                                                                                standard; and (3)
                                                                                actions to minimize
                                                                                emissions and correct
                                                                                the failure.
Sec.   63.10(b)(2)(iii)...........  Maintenance Records..  Records of maintenance      Yes.
                                                            performed on air
                                                            pollution control and
                                                            monitoring equipment.
Sec.   63.10(b)(2)(iv) and (v)....  Actions Taken to       Records of actions taken    No, for new or
                                     Minimize Emissions     during SSM to minimize      reconstructed sources
                                     During SSM.            emissions.                  which commenced
                                                                                construction or
                                                                                reconstruction after
                                                                                September 9, 2019. For
                                                                                all other affected
                                                                                sources, Yes before
                                                                                December 30, 2020, and
                                                                                No thereafter.
Sec.   63.10(b)(2)(vi), (x), and    CMS Records..........  Malfunctions, inoperative,  Yes.
 (xi).                                                      out-of-control;
                                                            calibration checks,
                                                            adjustments, maintenance.
Sec.   63.10(b)(2)(vii) through     Records..............  Measurements to             Yes, including results of
 (ix).                                                      demonstrate compliance      EPA Method 22
                                                            with emission limits;       observations required as
                                                            performance test,           part of a flare
                                                            performance evaluation,     compliance assessment.
                                                            and opacity/VE
                                                            observation results;
                                                            measurements to determine
                                                            conditions of performance
                                                            tests and performance
                                                            evaluations.
Sec.   63.10(b)(2)(xii)...........  Records..............  Records when under waiver.  Yes.
Sec.   63.10(b)(2)(xiii)..........  Records..............  Records when using          Yes.
                                                            alternative to relative
                                                            accuracy test.
Sec.   63.10(b)(2)(xiv)...........  Records..............  All documentation           Yes.
                                                            supporting Initial
                                                            Notification and
                                                            Notification of
                                                            Compliance Status Report.
Sec.   63.10(b)(3)................  Records..............  Applicability               Yes.
                                                            determinations.
Sec.   63.10(c)(1) through (6),     Records..............  Additional records for CMS  Yes.
 (9) through (14).
Sec.   63.10(c)(7) and (8)........  Records..............  Records of excess           No. Replaced with
                                                            emissions and parameter     language in Table 9 to
                                                            monitoring exceedances      this subpart.
                                                            for CMS.
Sec.   63.10(c)(15)...............  Use of SSM Plan......  Use SSM plan to satisfy     No, for new or
                                                            recordkeeping               reconstructed sources
                                                            requirements for            which commenced
                                                            identification of           construction or
                                                            malfunction, correction     reconstruction after
                                                            action taken, and nature    September 9, 2019. For
                                                            of repairs to CMS.          all other affected
                                                                                sources, Yes before
                                                                                December 30, 2020, and
                                                                                No thereafter. See 40
                                                                                CFR 63.5515(c).
Sec.   63.10(d)(1)................  General Reporting      Requirement to report.....  Yes.
                                     Requirements.
Sec.   63.10(d)(2)................  Report of Performance  When to submit to federal   Yes, except that Table 7
                                     Test Results.          or state authority.         to this subpart
                                                                                specifies the submittal
                                                                                date for the
                                                                                Notification of
                                                                                Compliance Status
                                                                                Report.
Sec.   63.10(d)(3)................  Reporting Opacity or   What to report and when...  Yes, but only for flares
                                     VE Observations.                                   for which EPA Method 22
                                                                                observations are
                                                                                required as part of a
                                                                                flare compliance
                                                                                assessment.
Sec.   63.10(d)(4)................  Progress Reports.....  Must submit progress        Yes.
                                                            reports on schedule if
                                                            under compliance
                                                            extension.
Sec.   63.10(d)(5)(i).............  Periodic SSM Reports.  Contents and submission of  No, for new or
                                                            periodic SSM reports.       reconstructed sources
                                                                                which commenced
                                                                                construction or
                                                                                reconstruction after
                                                                                September 9, 2019. For
                                                                                all other affected
                                                                                sources, Yes before
                                                                                December 30, 2020, and
                                                                                No thereafter. See Sec.
                                                                                63.5580(c)(4) and Table
                                                                                8 for malfunction
                                                                                reporting requirements.
Sec.   63.10(d)(5)(ii)............  Immediate SSM Reports  Contents and submission of  No, for new or
                                                            immediate SSM reports.      reconstructed sources
                                                                                which commenced
                                                                                construction or
                                                                                reconstruction after
                                                                                September 9, 2019. For
                                                                                all other affected
                                                                                sources, Yes before
                                                                                December 29, 2020,
                                                                                except that the
                                                                                immediate SSM report
                                                                                must be submitted as
                                                                                part of the next
                                                                                semiannual compliance
                                                                                report, as specified in
                                                                                Table 8 to this subpart,
                                                                                and No thereafter.
Sec.   63.10(e)(1) and (2)........  Additional CMS         Must report results for     Yes, except that Sec.
                                     Reports.               each CEMS on a unit;        63.10(e)(2)(ii) does not
                                                            written copy of             apply because subpart
                                                            performance evaluation;     UUUU does not require
                                                            three copies of COMS        COMS.
                                                            performance evaluation.
Sec.   63.10(e)(3)(i) through       Reports..............  Schedule for reporting      No. Replaced with
 (iii).                                                     excess emissions and        language in Sec.
                                                            parameter monitor           63.5580.
                                                            exceedance (now defined
                                                            as deviations).

Sec.   63.10(e)(3)(iv)............  Excess Emissions       Requirement to revert to    No. Replaced with
                                     Reports.               quarterly submission if     language in Sec.
                                                            there is an excess          63.5580.
                                                            emissions and parameter
                                                            monitor exceedance (now
                                                            defined as deviations);
                                                            provision to request
                                                            semiannual reporting
                                                            after compliance for 1
                                                            year; submit report by
                                                            30th day following end of
                                                            quarter or calendar half;
                                                            if there has not been an
                                                            exceedance or excess
                                                            emission (now defined as
                                                            deviations), report
                                                            contents is a statement
                                                            that there have been no
                                                            deviations.
Sec.   63.10(e)(3)(v).............  Excess Emissions       Must submit report          No. Replaced with
                                     Reports.               containing all of the       language in Sec.
                                                            information in Sec.         63.5580.
                                                            63.10(c)(5) through (13),
                                                            Sec.   63.8(c)(7) and (8).
Sec.   63.10(e)(3)(vi) through      Excess Emissions       Requirements for reporting  No. Replaced with
 (viii).                             Report and Summary     excess emissions for CMS    language in Sec.
                                     Report.                (now called deviations);    63.5580.
                                                            requires all of the
                                                            information in Sec.
                                                            63.10(c)(5) through (13),
                                                            Sec.   63.8(c)(7) and (8).
Sec.   63.10(e)(4)................  Reporting COMS Data..  Must submit COMS data with  No. Subpart UUUU does not
                                                            performance test data.      require COMS.
Sec.   63.10(f)...................  Waiver for             Procedures for              Yes.
                                     Recordkeeping or       Administrator to waive.
                                     Reporting.
Sec.   63.11......................  Control and Work       Requirements for flares     Yes.
                                     Practice               and alternative work
                                     Requirements.          practice for equipment
                                                            leaks.
Sec.   63.12......................  State Authority and    State authority to enforce  Yes.
                                     Delegations.           standards.
Sec.   63.13......................  Addresses............  Addresses where reports,    Yes.
                                                            notifications, and
                                                            requests are sent.
Sec.   63.14......................  Incorporations by      Test methods incorporated   Yes.
                                     Reference.             by reference.
Sec.   63.15......................  Availability of        Public and confidential     Yes.
                                     Information and        information.
                                     Confidentiality.
Sec.   63.16......................  Performance Track      Requirements for            Yes.
                                     Provisions.            Performance Track member
                                                            facilities.
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[FR Doc. 2020-05901 Filed 7-1-20; 8:45 am]
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