position can be maintained for all three points; and
    (iii) If an opacity reading for any one of the three emission
points is within 5 percent opacity of the application standard, then
the observer must stop taking readings for the other two points and
continue reading just that single point.
* * * * *

Subpart UU--[Amended]

0
17. Amend Sec.  60.472 by revising paragraph (a)(1)(ii) to read as
follows:

Sec.  60.472  Standards for particulate matter.

    (a) * * *
    (1) * * *

    (ii) 0.4 kg/Mg (0.8 lb/ton) of saturated felt or smooth-surfaced
roll roofing produced;
* * * * *

Subpart NNN--[Amended]

0
18. Amend Sec.  60.660 by revising paragraph (c)(4) to read as follows:

Sec.  60.660  Applicability and designation of affected facility.

* * * * *
    (c) * * *
    (4) Each affected facility that has a total resource effectiveness
(TRE) index value greater than 8.0 is exempt from all provisions of
this subpart except for Sec. Sec.  60.662; 60.664 (e), (f), and (g);
and 60.665 (h) and (l).
* * * * *

0
19. Amend Sec.  60.665 by revising paragraphs (h)(2) and (h)(3) to read
as follows:

Sec.  60.665  Reporting and recordkeeping requirements.

* * * * *
    (h) * * *
    (2) Any recalculation of the TRE index value performed pursuant to
Sec.  60.664(g); and
    (3) The results of any performance test performed pursuant to the
methods and procedures required by Sec.  60.664(e).
* * * * *

Subpart IIII--[Amended]

0
20. Revise Table 7 to Subpart IIII of part 60 to read as follows:
    As stated in Sec.  60.4213, you must comply with the following
requirements for performance tests for stationary CI ICE with a
displacement of >=30 liters per cylinder:

      Table 7 to Subpart IIII of Part 60--Requirements for Performance Tests for Stationary CI ICE with a Displacement of >=30 Liters per Cylinder
--------------------------------------------------------------------------------------------------------------------------------------------------------
                                     Complying with the                                                                      According to the following
             Each                      requirement to                    You must                        Using                      requirements
--------------------------------------------------------------------------------------------------------------------------------------------------------
1. Stationary CI internal      a. Reduce NOX emissions by 90  i. Select the sampling port    .............................  (a) For NOX, O2, and
 combustion engine with a       percent or more;               location and number/location                                  moisture measurement, ducts
 displacement of >= 30 liters                                  of traverse points at the                                     <=6 inches in diameter may
 per cylinder                                                  inlet and outlet of the                                       be sampled at a single
                                                               control device;                                               point located at the duct
                                                                                centroid and ducts >6 and
                                                                                <=12 inches in diameter may
                                                                                be sampled at 3 traverse
                                                                                points located at 16.7,
                                                                                50.0, and 83.3% of the
                                                                                measurement line (`3-point
                                                                                long line'). If the duct is
                                                                                >12 inches in diameter and
                                                                                the sampling port location
                                                                                meets the two and half-
                                                                                diameter criterion of
                                                                                Section 11.1.1 of Method 1
                                                                                of 40 CFR part 60, appendix
                                                                                A-1, the duct may be
                                                                                sampled at `3-point long
                                                                                line'; otherwise, conduct
                                                                                the stratification testing
                                                                                and select sampling points
                                                                                according to Section 8.1.2
                                                                                of Method 7E of 40 CFR part
                                                                                60, appendix A-4.
                               .............................  ii. Measure O2 at the inlet    (1) Method 3, 3A, or 3B of 40  (b) Measurements to
                                                               and outlet of the control      CFR part 60, appendix A-2      determine O2 concentration
                                                               device;                                                       must be made at the same
                                                                                time as the measurements
                                                                                for NOX concentration.
                               .............................  iii. If necessary, measure     (2) Method 4 of 40 CFR part    (c) Measurements to
                                                               moisture content at the        60, appendix A-3, Method 320   determine moisture content
                                                               inlet and outlet of the        of 40 CFR part 63, appendix    must be made at the same
                                                               control device; and            A, or ASTM D 6348-03           time as the measurements
                                                                                (incorporated by reference,    for NOX concentration.
                                                                                see Sec.   60.17)
                               .............................  iv. Measure NOX at the inlet   (3) Method 7E of 40 CFR part   (d) NOX concentration must
                                                               and outlet of the control      60, appendix A-4, Method 320   be at 15 percent O2, dry
                                                               device.                        of 40 CFR part 63, appendix    basis. Results of this test
                                                                                A, or ASTM D 6348-03           consist of the average of
                                                                                (incorporated by reference,    the three 1-hour or longer
                                                                                see Sec.   60.17)              runs.

                               b. Limit the concentration of  i. Select the sampling port    .............................  (a) For NOX, O2, and
                                NOX in the stationary CI       location and number/location                                  moisture measurement, ducts
                                internal combustion engine     of traverse points at the                                     <=6 inches in diameter may
                                exhaust.                       exhaust of the stationary                                     be sampled at a single
                                                               internal combustion engine;                                   point located at the duct
                                                                                centroid and ducts >6 and
                                                                                <=12 inches in diameter may
                                                                                be sampled at 3 traverse
                                                                                points located at 16.7,
                                                                                50.0, and 83.3% of the
                                                                                measurement line (`3-point
                                                                                long line'). If the duct is
                                                                                >12 inches in diameter and
                                                                                the sampling port location
                                                                                meets the two and half-
                                                                                diameter criterion of
                                                                                Section 11.1.1 of Method 1
                                                                                of 40 CFR part 60, appendix
                                                                                A-1, the duct may be
                                                                                sampled at `3-point long
                                                                                line'; otherwise, conduct
                                                                                the stratification testing
                                                                                and select sampling points
                                                                                according to Section 8.1.2
                                                                                of Method 7E of 40 CFR part
                                                                                60, appendix A-4.
                               .............................  ii. Determine the O2           (1) Method 3, 3A, or 3B of 40  (b) Measurements to
                                                               concentration of the           CFR part 60, appendix A-2      determine O2 concentration
                                                               stationary internal                                           must be made at the same
                                                               combustion engine exhaust at                                  time as the measurement for
                                                               the sampling port location;                                   NOX concentration.
                               .............................  iii. If necessary, measure     (2) Method 4 of 40 CFR part    (c) Measurements to
                                                               moisture content of the        60, appendix A-3, Method 320   determine moisture content
                                                               stationary internal            of 40 CFR part 63, appendix    must be made at the same
                                                               combustion engine exhaust at   A, or ASTM D 6348-03           time as the measurement for
                                                               the sampling port location;    (incorporated by reference,    NOX concentration.
                                                               and                            see Sec.   60.17)
                               .............................  iv. Measure NOX at the         (3) Method 7E of 40 CFR part   (d) NOX concentration must
                                                               exhaust of the stationary      60, Appendix A-4, Method 320   be at 15 percent O2, dry
                                                               internal combustion engine;    of 40 CFR part 63, appendix    basis. Results of this test
                                                               if using a control device,     A, or ASTM D 6348-03           consist of the average of
                                                               the sampling site must be      (incorporated by reference,    the three 1-hour or longer
                                                               located at the outlet of the   see Sec.   60.17)              runs.
                                                               control device.
                               c. Reduce PM emissions by 60   i. Select the sampling port    (1) Method 1 or 1A of 40 CFR   (a) Sampling sites must be
                                percent or more                location and the number of     part 60, appendix A-1          located at the inlet and
                                                               traverse points;                                              outlet of the control
                                                                                device.
                               .............................  ii. Measure O2 at the inlet    (2) Method 3, 3A, or 3B of 40  (b) Measurements to
                                                               and outlet of the control      CFR part 60, appendix A-2      determine O2 concentration
                                                               device;                                                       must be made at the same
                                                                                time as the measurements
                                                                                for PM concentration.
                               .............................  iii. If necessary, measure     (3) Method 4 of 40 CFR part    (c) Measurements to
                                                               moisture content at the        60, appendix A-3               determine and moisture
                                                               inlet and outlet of the                                       content must be made at the
                                                               control device; and                                           same time as the
                                                                                measurements for PM
                                                                                concentration.

                               .............................  iv. Measure PM at the inlet    (4) Method 5 of 40 CFR part    (d) PM concentration must be
                                                               and outlet of the control      60, appendix A-3               at 15 percent O2, dry
                                                               device.                                                       basis. Results of this test
                                                                                consist of the average of
                                                                                the three 1-hour or longer
                                                                                runs.
                               d. Limit the concentration of  i. Select the sampling port    (1) Method 1 or 1A of 40 CFR   (a) If using a control
                                PM in the stationary CI        location and the number of     part 60, appendix A-1          device, the sampling site
                                internal combustion engine     traverse points;                                              must be located at the
                                exhaust                                                                                outlet of the control
                                                                                device.
                               .............................  ii. Determine the O2           (2) Method 3, 3A, or 3B of 40  (b) Measurements to
                                                               concentration of the           CFR part 60, appendix A-2      determine O2 concentration
                                                               stationary internal                                           must be made at the same
                                                               combustion engine exhaust at                                  time as the measurements
                                                               the sampling port location;                                   for PM concentration.
                               .............................  iii. If necessary, measure     (3) Method 4 of 40 CFR part    (c) Measurements to
                                                               moisture content of the        60, appendix A-3               determine moisture content
                                                               stationary internal                                           must be made at the same
                                                               combustion engine exhaust at                                  time as the measurements
                                                               the sampling port location;                                   for PM concentration.
                                                               and
                               .............................  iv. Measure PM at the exhaust  (4) Method 5 of 40 CFR part    (d) PM concentration must be
                                                               of the stationary internal     60, appendix A-3.              at 15 percent O2, dry
                                                               combustion engine.                                            basis. Results of this test
                                                                                consist of the average of
                                                                                the three 1-hour or longer
                                                                                runs.
--------------------------------------------------------------------------------------------------------------------------------------------------------

Subpart JJJJ--[Amended]

0
21. Revise Table 2 to Subpart JJJJ of part 60 to read as follows:
    As stated in Sec.  60.4244, you must comply with the following
requirements for performance tests within 10 percent of 100 percent
peak (or the highest achievable) load:

                                         Table 2 to Subpart JJJJ of Part 60--Requirements for Performance Tests
--------------------------------------------------------------------------------------------------------------------------------------------------------
                                     Complying with the                                                                      According to the following
           For each                    requirement to                    You must                        Using                      requirements
--------------------------------------------------------------------------------------------------------------------------------------------------------
1. Stationary SI internal      a. limit the concentration of  i. Select the sampling port    (1) Method 1 or 1A of 40 CFR   (a) Alternatively, for NOX,
 combustion engine              NOX in the stationary SI       location and the number/       part 60, appendix A-1, if      O2, and moisture
 demonstrating compliance       internal combustion engine     location of traverse points    measuring flow rate.           measurement, ducts <=6
 according to Sec.   60.4244.   exhaust.                       at the exhaust of the                                         inches in diameter may be
                                                               stationary internal                                           sampled at a single point
                                                               combustion engine;                                            located at the duct
                                                                                centroid and ducts >6 and
                                                                                <=12 inches in diameter may
                                                                                be sampled at 3 traverse
                                                                                points located at 16.7,
                                                                                50.0, and 83.3% of the
                                                                                measurement line (`3-point
                                                                                long line'). If the duct is
                                                                                >12 inches in diameter and
                                                                                the sampling port location
                                                                                meets the two and half-
                                                                                diameter criterion of
                                                                                Section 11.1.1 of Method 1
                                                                                of 40 CFR part 60, Appendix
                                                                                A, the duct may be sampled
                                                                                at `3-point long line';
                                                                                otherwise, conduct the
                                                                                stratification testing and
                                                                                select sampling points
                                                                                according to Section 8.1.2
                                                                                of Method 7E of 40 CFR part
                                                                                60, Appendix A.
                               .............................  ii. Determine the O2           (2) Method 3, 3A, or 3B\b\ of  (b) Measurements to
                                                               concentration of the           40 CFR part 60, appendix A-2   determine O2 concentration
                                                               stationary internal            or ASTM Method D6522-00        must be made at the same
                                                               combustion engine exhaust at   (Reapproved 2005) a e.         time as the measurements
                                                               the sampling port location;                                   for NOX concentration.
                               .............................  iii. If necessary, determine   (3) Method 2 or 2C of 40 CFR   ............................
                                                               the exhaust flowrate of the    part 60, appendix A-1 or
                                                               stationary internal            Method 19 of 40 CFR part 60,
                                                               combustion engine exhaust;     appendix A-7.
                               .............................  iv. If necessary, measure      (4) Method 4 of 40 CFR part    (c) Measurements to
                                                               moisture content of the        60, appendix A-3, Method 320   determine moisture must be
                                                               stationary internal            of 40 CFR part 63, appendix    made at the same time as
                                                               combustion engine exhaust at   A, or ASTM Method D 6348-03    the measurement for NOX
                                                               the sampling port location;    \e\.                           concentration.
                                                               and
                               .............................  v. Measure NOX at the exhaust  (5) Method 7E of 40 CFR part   (d) Results of this test
                                                               of the stationary internal     60, appendix A-4, ASTM         consist of the average of
                                                               combustion engine; if using    Method D6522-00 (Reapproved    the three 1-hour or longer
                                                               a control device, the          2005) a e, Method 320 of 40    runs.
                                                               sampling site must be          CFR part 63, appendix A, or
                                                               located at the outlet of the   ASTM Method D 6348-03 \e\.
                                                               control device.

                               b. limit the concentration of  i. Select the sampling port    (1) Method 1 or 1A of 40 CFR   (a) Alternatively, for CO,
                                CO in the stationary SI        location and the number/       part 60, appendix A-1, if      O2, and moisture
                                internal combustion engine     location of traverse points    measuring flow rate.           measurement, ducts <=6
                                exhaust.                       at the exhaust of the                                         inches in diameter may be
                                                               stationary internal                                           sampled at a single point
                                                               combustion engine;                                            located at the duct
                                                                                centroid and ducts >6 and
                                                                                <=12 inches in diameter may
                                                                                be sampled at 3 traverse
                                                                                points located at 16.7,
                                                                                50.0, and 83.3% of the
                                                                                measurement line (`3-point
                                                                                long line'). If the duct is
                                                                                >12 inches in diameter and
                                                                                the sampling port location
                                                                                meets the two and half-
                                                                                diameter criterion of
                                                                                Section 11.1.1 of Method 1
                                                                                of 40 CFR part 60, Appendix
                                                                                A, the duct may be sampled
                                                                                at `3-point long line';
                                                                                otherwise, conduct the
                                                                                stratification testing and
                                                                                select sampling points
                                                                                according to Section 8.1.2
                                                                                of Method 7E of 40 CFR part
                                                                                60, Appendix A.
                               .............................  ii. Determine the O2           (2) Method 3, 3A, or 3B \b\    (b) Measurements to
                                                               concentration of the           of 40 CFR part 60, appendix    determine O2 concentration
                                                               stationary internal            A-2 or ASTM Method D6522-00    must be made at the same
                                                               combustion engine exhaust at   (Reapproved 2005) a e.         time as the measurements
                                                               the sampling port location;                                   for CO concentration.
                               .............................  iii. If necessary, determine   (3) Method 2 or 2C of 40 CFR   ............................
                                                               the exhaust flowrate of the    part 60, appendix A-1 or
                                                               stationary internal            Method 19 of 40 CFR part 60,
                                                               combustion engine exhaust;     appendix A-7.
                               .............................  iv. If necessary, measure      (4) Method 4 of 40 CFR part    (c) Measurements to
                                                               moisture content of the        60, appendix A-3, Method 320   determine moisture must be
                                                               stationary internal            of 40 CFR part 63, appendix    made at the same time as
                                                               combustion engine exhaust at   A, or ASTM Method D 6348-03    the measurement for CO
                                                               the sampling port location;    \e\.                           concentration.
                                                               and
                               .............................  v. Measure CO at the exhaust   (5) Method 10 of 40 CFR part   (d) Results of this test
                                                               of the stationary internal     60, appendix A4, ASTM Method   consist of the average of
                                                               combustion engine; if using    D6522-00 (Reapproved 2005) a   the three 1-hour or longer
                                                               a control device, the          e, Method 320 of 40 CFR part   runs.
                                                               sampling site must be          63, appendix A, or ASTM
                                                               located at the outlet of the   Method D 6348-03 \e\.
                                                               control device.

                               c. limit the concentration of  i. Select the sampling port    (1) Method 1 or 1A of 40 CFR   (a) Alternatively, for VOC,
                                VOC in the stationary SI       location and the number/       part 60, appendix A-1, if      O2, and moisture
                                internal combustion engine     location of traverse points    measuring flow rate.           measurement, ducts <=6
                                exhaust                        at the exhaust of the                                         inches in diameter may be
                                                               stationary internal                                           sampled at a single point
                                                               combustion engine;                                            located at the duct
                                                                                centroid and ducts >6 and
                                                                                <=12 inches in diameter may
                                                                                be sampled at 3 traverse
                                                                                points located at 16.7,
                                                                                50.0, and 83.3% of the
                                                                                measurement line (`3-point
                                                                                long line'). If the duct is
                                                                                >12 inches in diameter and
                                                                                the sampling port location
                                                                                meets the two and half-
                                                                                diameter criterion of
                                                                                Section 11.1.1 of Method 1
                                                                                of 40 CFR part 60, Appendix
                                                                                A, the duct may be sampled
                                                                                at `3-point long line';
                                                                                otherwise, conduct the
                                                                                stratification testing and
                                                                                select sampling points
                                                                                according to Section 8.1.2
                                                                                of Method 7E of 40 CFR part
                                                                                60, Appendix A.
                               .............................  ii. Determine the O2           (2) Method 3, 3A, or 3B \b\    (b) Measurements to
                                                               concentration of the           of 40 CFR part 60, appendix    determine O2 concentration
                                                               stationary internal            A-2 or ASTM Method D6522-00    must be made at the same
                                                               combustion engine exhaust at   (Reapproved 2005) a e.         time as the measurements
                                                               the sampling port location;                                   for VOC concentration.
                               .............................  iii. If necessary, determine   (3) Method 2 or 2C of 40 CFR   ............................
                                                               the exhaust flowrate of the    part 60, appendix A-1 or
                                                               stationary internal            Method 19 of 40 CFR part 60,
                                                               combustion engine exhaust;     appendix A-7.
                               .............................  iv. If necessary, measure      (4) Method 4 of 40 CFR part    (c) Measurements to
                                                               moisture content of the        60, appendix A-3, Method 320   determine moisture must be
                                                               stationary internal            of 40 CFR part 63, appendix    made at the same time as
                                                               combustion engine exhaust at   A, or ASTM Method D 6348-03    the measurement for VOC
                                                               the sampling port location;    \e\.                           concentration.
                                                               and
                               .............................  v. Measure VOC at the exhaust  (5) Methods 25A and 18 of 40   (d) Results of this test
                                                               of the stationary internal     CFR part 60, appendices A-6    consist of the average of
                                                               combustion engine; if using    and A-7, Method 25A with the   the three 1-hour or longer
                                                               a control device, the          use of a methane cutter as     runs.
                                                               sampling site must be          described in 40 CFR
                                                               located at the outlet of the   1065.265, Method 18 of 40
                                                               control device.                CFR part 60, appendix A-6 c
                                                                                d, Method 320 of 40 CFR part
                                                                                63, appendix A, or ASTM
                                                                                Method D 6348-03 \e\.
--------------------------------------------------------------------------------------------------------------------------------------------------------
\a\ Also, you may petition the Administrator for approval to use alternative methods for portable analyzer.
\b\ You may use ASME PTC 19.10-1981, Flue and Exhaust Gas Analyses, for measuring the O2 content of the exhaust gas as an alternative to EPA Method 3B.
  AMSE PTC 19.10-1981 incorporated by reference, see 40 CFR 60.17
\c\ You may use EPA Method 18 of 40 CFR part 60, appendix A-6, provided that you conduct an adequate pre-survey test prior to the emissions test, such
  as the one described in OTM 11 on EPA's Web site (http://www.epa.gov/ttn/emc/prelim/otm11.pdf).
\d\ You may use ASTM D6420-99 (2004), Test Method for Determination of Gaseous Organic Compounds by Direct Interface Gas Chromatography/Mass
  Spectrometry as an alternative to EPA Method 18 for measuring total nonmethane organic. ASTM D6420-99(2004) incorporated by reference; see 40 CFR
  60.17.
\e\ Incorporated by reference; see 40 CFR 60.17.

0
22. Amend appendix A-1 to part 60 as follows:
0
a. By amending Method 1 as follows:
0
i. By revising Figure 1-1 in section 17.
0
ii. By adding Figure 1-2 to section 17.
0
b. By amending Method 2 as follows:
0
i. By revising section 8.1, the note at the end of 10.1.1, and sections
10.4, 12.6, and 12.7.
0
ii. By removing the definition for Ts(abs) in section 12.1.
0
iii. By adding a definition for Ts(abavg) in alphabetical order to
section 12.1.
0
c. By revising Method 2A, sections 10.3 and 12.2.
0
d. By revising Method 2B, section 12.1.
0
e. By revising Method 2D, section 10.4.

Appendix A-1 to Part 60--Test Methods 1 Through 2F

* * * * *

Method 1--Sample and Velocity Traverses From Stationary Sources

* * * * *
    17.0 * * *

[GRAPHIC] [TIFF OMITTED] TR27FE14.007

* * * * *

Method 2--Determination of Stack Gas Velocity and Volumetric Flow Rate
(Type S Pitot Tube)

* * * * *
    8.1 Set up the apparatus as shown in Figure 2-1. Capillary
tubing or surge tanks installed between the manometer and pitot tube
may be used to dampen [Delta]P fluctuations. It is recommended, but
not required, that a pretest leak-check be conducted as follows: (1)
blow through the pitot impact opening until at least 7.6 cm (3.0
in.) H2O velocity head registers on the manometer; then,
close off the impact opening. The pressure shall remain stable
(2.5 mm H2O, 0.10 in.
H2O) for at least 15 seconds; (2) do the same for the
static pressure side, except using suction to obtain the minimum of
7.6 cm (3.0 in.) H2O. Other leak-check procedures,
subject to the approval of the Administrator, may be used.
* * * * *
    10.1.1 * * *

    Note: Do not use a Type S pitot tube assembly that is
constructed such that the impact pressure opening plane of the pitot
tube is below the entry plane of the nozzle (see Figure 2-7B).

* * * * *
    10.4 Barometer. Calibrate the barometer used against a mercury
barometer or NIST-traceable barometer prior to each field test.
* * * * *

12.1 Nomenclature

* * * * *
Ts(abavg) = Average absolute stack temperature, [deg]K
([deg]R).
 = 273 + Ts for metric units,
 = 460 + Ts for English units.
* * * * *
    12.6 Average Stack Gas Velocity.
    [GRAPHIC] [TIFF OMITTED] TR27FE14.008

* * * * *

Method 2A--Direct Measurement of Gas Volume Through Pipes and Small
Ducts

* * * * *
    10.3 Barometer. Calibrate the barometer used against a mercury
barometer or NIST-traceable barometer prior to the field test.
* * * * *
    12.2 Test Meter Calibration Coefficient.
    [GRAPHIC] [TIFF OMITTED] TR27FE14.009

* * * * *

Method 2B--Determination of Exhaust Gas Volume Flow Rate From Gasoline
Vapor Incinerators

* * * * *
    12.1 Nomenclature.

COe = Mean carbon monoxide concentration in system
exhaust, ppm.
(CO2)a = Ambient carbon dioxide concentration,
ppm (if not measured during the test period, may be assumed to equal
380 ppm).
(CO2)e = Mean carbon dioxide concentration in
system exhaust, ppm.
HCe = Mean organic concentration in system exhaust as
defined by the calibration gas, ppm.
Hci = Mean organic concentration in system inlet as
defined by the calibration gas, ppm.
Ke = Hydrocarbon calibration gas factor for the exhaust
hydrocarbon analyzer, unitless [equal to the number of carbon atoms
per molecule of the gas used to calibrate the analyzer (2 for
ethane, 3 for propane, etc.)].
Ki = Hydrocarbon calibration gas factor for the inlet
hydrocarbon analyzer, unitless.
Ves = Exhaust gas volume, m\3\.
Vis = Inlet gas volume, m\3\.
Qes = Exhaust gas volume flow rate, m\3\/min.
Qis = Inlet gas volume flow rate, m\3\/min.
    [thgr] = Sample run time, min.
    S = Standard conditions: 20[deg] C, 760 mm Hg.
* * * * *

Method 2D--Measurement of Gas Volume Flow Rates in Small Pipes and
Ducts

* * * * *

    10.4 Barometer. Calibrate the barometer used against a mercury
barometer or NIST-traceable barometer prior to the field test.
* * * * *
0
23. Amend appendix A-2 to part 60 as follows:
0
a. By revising Method 3A, section 7.1.
0
b. By amending Method 3C as follows:
0
i. By revising section 7.1.
0
ii. By adding section 7.3.

Appendix A-2 to Part 60--Test Methods 2G Through 3C

* * * * *

Method 3A--Determination of Oxygen and Carbon Dioxide Concentrations in
Emissions From Stationary Sources (Instrumental Analyzer Procedure)

* * * * *
    7.1 Calibration Gas. What calibration gases do I need? Refer to
Section 7.1 of Method 7E for the calibration gas requirements.
Example calibration gas mixtures are listed below. Pre-cleaned or
scrubbed air may be used for the O2 high-calibration gas
provided it does not contain other gases that interfere with the
O2 measurement.
    (a) CO2 in Nitrogen (N2).
    (b) CO2/SO2 gas mixture in N2.
    (c) O2/SO2 gas mixture in N2.
    (d) O2/CO2/SO2 gas mixture in
N2.
    (e) CO2/NOX gas mixture in N2.
    (f) CO2/SO2/NOX gas mixture in
N2.
    The tests for analyzer calibration error and system bias require
high-, mid-, and low-level gases.
* * * * *

Method 3C--Determination of Carbon Dioxide, Methane, Nitrogen, and
Oxygen from Stationary Sources

* * * * *
    7.1 Nomenclature.

Bw = Moisture content in the sample, fraction.
CN2 = Measured N2 concentration (by Method
3C), fraction.
CN2Corr = Measured N2 concentration corrected
only for dilution, fraction.
Ct = Calculated NMOC concentration, ppmv C equivalent.
Ctm = Measured NMOC concentration, ppmv C equivalent.
Pb = Barometric pressure, mm Hg.
Pt = Gas sample tank pressure after sampling, but before
pressurizing, mm Hg absolute.
Ptf = Final gas sample tank pressure after pressurizing,
mm Hg absolute.
Pti = Gas sample tank pressure after evacuation, mm Hg
absolute.
Pw = Vapor pressure of H2O (from Table 25C-1),
mm Hg.
r = Total number of analyzer injections of sample tank during
analysis (where j = injection number, 1 . . . r).
R = Mean calibration response factor for specific sample component,
area/ppm.
Tt = Sample tank temperature at completion of sampling,
[deg]K.
Tti = Sample tank temperature before sampling, [deg]K.
Ttf = Sample tank temperature after pressurizing, [deg]K.
* * * * *
    7.3 Measured N2 Concentration Correction. Calculate
the reported N2 correction for Method 25-C using Eq. 3C-
4. If oxygen is determined in place of N2, substitute the
oxygen concentration for the nitrogen concentration in the equation.
[GRAPHIC] [TIFF OMITTED] TR27FE14.010

* * * * *

0
24. Amend appendix A-3 to part 60 as follows:
0
a. By revising Method 4, sections 9.1 and 16.0.
0
b. Amend Method 5 as follows:
0
i. By revising sections <IP_ADDRESS>, <IP_ADDRESS>, <IP_ADDRESS>, <IP_ADDRESS>, 7.1.3, 8.1,
8.3.4, 8.5, 8.5.6, 8.7.3, 8.7.5, 10.3.3, 10.5, 10.6.
0
ii. By removing section 7.1.5.
0
iii. By revising Equation 5-13 in section <IP_ADDRESS>.
0
iv. By adding section 16.3.
0
v. By adding reference 13 to section 17.0.
0
c. By revising Method 5A, section 8.1.
0
d. By amending Method 5E as follows:
0
i. By redesignating sections 16.0 and 17.0 as sections 17.0 and 18.0,
respectively.
0
ii. By adding a new section 16.0.
0
e. By amending Method 5H as follows:
0
i. By revising section 12.1.
0
ii. By adding section 12.15.
0
iii. By redesignating sections 16.0 and 17.0 as sections 17.0 and 18.0,
respectively.
0
iv. By adding a new section 16.

Appendix A-3 to Part 60--Test Methods 4 Through 5I

* * * * *

Method 4--Determination of Moisture Content in Stack Gases

* * * * *
    9.1 Miscellaneous Quality Control Measures.

------------------------------------------------------------------------
                                 Quality control
           Section                   measure               Effect
------------------------------------------------------------------------
Section <IP_ADDRESS>.............  Leak rate of the      Ensures the accuracy
                               sampling system       of the volume of
                               cannot exceed four    gas sampled.
                               percent of the        (Reference Method).
                               average sampling
                               rate or 0.00057
                               m\3\/min (0.020
                               cfm).
Section 8.2.1...............  Leak rate of the      Ensures the accuracy
                               sampling system       of the volume of
                               cannot exceed two     gas sampled.
                               percent of the        (Approximation
                               average sampling      Method).
                               rate.
------------------------------------------------------------------------

* * * * *

16.0 Alternative Procedures

    16.1 The procedure described in Method 5 for determining
moisture content is an acceptable alternative to Method 4.
    16.2 The procedures in Method 6A for determining moisture is an
acceptable alternative to Method 4.
    16.3 Method 320 is an acceptable alternative to Method 4 for
determining moisture.
    16.4 Using F-factors to determine moisture is an acceptable
alternative to Method 4 for a combustion stack not using a scrubber.
If this option is selected, calculate the moisture content as
follows:

BWS - BH + BA + BF

Where:

[GRAPHIC] [TIFF OMITTED] TR27FE14.011

Bws = Mole fraction of moisture in the stack gas.
Fd = Volume of dry combustion components per unit of heat
content at 0 percent oxygen, dscf/10\6\ Btu (scm/J). See Table 19-2
in Method 19.
FW = Volume of wet combustion components per unit of heat
content at 0 percent oxygen, wet scf/10\6\ Btu (scm/J). See Table
19-2 in Method 19.
%RH = Percent relative humidity (calibrated hydrometer acceptable),
percent.
PBar = Barometric pressure, in. Hg.
T = Ambient temperature, [deg]F.
W = Percent free water by weight, percent.
O2 = Percent oxygen in stack gas, dry basis, percent.
* * * * *

Method 5--Determination of Particulate Matter Emissions From Stationary
Sources

* * * * *
    <IP_ADDRESS> Filter Holder. Borosilicate glass, with a glass or
Teflon frit filter support and a silicone rubber gasket. Other
materials of construction (e.g., stainless steel or Viton) may be
used, subject to the approval of the Administrator. The holder
design shall provide a positive seal against leakage from the
outside or around the filter. The holder shall be attached
immediately at the outlet of the probe (or cyclone, if used).
    <IP_ADDRESS> Filter Heating System. Any heating system capable of
monitoring and maintaining temperature around the filter shall be
used to ensure the sample gas temperature exiting the filter of 120
 14 [deg]C (248  25 [deg]F) during sampling
or such other temperature as specified by an applicable subpart of
the standards or approved by the Administrator for a particular
application. The monitoring and regulation of the temperature around
the filter may be done with the filter temperature sensor or another
temperature sensor.
    <IP_ADDRESS> Filter Temperature Sensor. A temperature sensor capable
of measuring temperature to within 3 [deg]C (5.4 [deg]F)
shall be installed so that the sensing tip of the temperature sensor
is in direct contact with the sample gas exiting the filter. The
sensing tip of the sensor may be encased in glass, Teflon, or metal
and must protrude at least \1/2\ in. into the sample gas exiting the
filter. The filter temperature sensor must be monitored and recorded
during sampling to ensure a sample gas temperature exiting the
filter of 120  14 [deg]C (248  25 [deg]F),
or such other temperature as specified by an applicable subpart of
the standards or approved by the Administrator for a particular
application.
* * * * *
    <IP_ADDRESS> Metering System. Vacuum gauge, leak-free pump,
calibrated temperature sensors (rechecked at at least one point
after each test), dry gas meter (DGM) capable of measuring volume to
within 2 percent, and related equipment, as shown in Figure 5-1.
Alternatively, an Isostack metering system may be used if all Method
5 calibrations are performed, with the exception of those related to
[Delta]H@ in Section 9.2.1, wherein the sample flow rate system
shall be calibrated in lieu of [Delta]H@ and shall not deviate by
more than 5 percent. Other metering systems capable of maintaining
sampling rates within 10 percent of isokinetic and of determining
sample volumes to within 2 percent may be used, subject to the
approval of the Administrator. When the metering system is used in
conjunction with a pitot tube, the system shall allow periodic
checks of isokinetic rates.
* * * * *
    7.1.3 Water. When analysis of the material caught in the
impingers is required, deionized distilled water [to conform to ASTM
D1193-77 or 91 Type 3 (incorporated by reference--see Sec.  60.17)]
with at least <0.001 percent residue shall be used or as specified
in the applicable method requiring analysis of the water. Run
reagent blanks prior to field use to eliminate a high blank on test
samples.
* * * * *
    8.1 Pretest Preparation. It is suggested that sampling equipment
be maintained according to the procedures described in APTD-0576.
Alternative mercury-free thermometers may be used if the
thermometers are at a minimum equivalent in terms of performance or
suitably effective for the specific temperature measurement
application.
* * * * *
    8.3.4 Set up the train as shown in Figure 5-1 ensuring that the
connections are leak-tight. Subject to the approval of the
Administrator, a glass cyclone may be used between the probe and
filter holder when the total particulate catch is expected to exceed
100 mg or when water droplets are present in the stack gas.
* * * * *
    8.5 Sampling Train Operation. During the sampling run, maintain
an isokinetic sampling rate (within 10 percent of true isokinetic
unless otherwise specified by the Administrator) and a sample gas
temperature through the filter of 120  14 [deg]C (248
 25 [deg]F) or such other temperature as specified by

an applicable subpart of the standards or approved by the
Administrator.
* * * * *
    8.5.6 During the test run, make periodic adjustments to keep the
temperature around the filter holder at the proper level to maintain
the sample gas temperature exiting the filter; add more ice and, if
necessary, salt to maintain a temperature of less than 20 [deg]C (68
[deg]F) at the condenser/silica gel outlet. Also, periodically check
the level and zero of the manometer.
* * * * *
    8.7.3 Before moving the sample train to the cleanup site, remove
the probe from the sample train and cap the open outlet of the
probe. Be careful not to lose any condensate that might be present.
Cap the filter inlet where the probe was fastened. Remove the
umbilical cord from the last impinger, and cap the impinger. If a
flexible line is used between the first impinger or condenser and
the filter holder, disconnect the line at the filter holder, and let
any condensed water or liquid drain into the impingers or condenser.
Cap off the filter holder outlet and impinger inlet. Either ground-
glass stoppers, plastic caps, or serum caps may be used to close
these openings.
* * * * *
    8.7.5 Save a portion of the acetone used for cleanup as a blank.
From each storage container of acetone used for cleanup, save 200 ml
and place in a glass sample container labeled ``acetone blank.'' To
minimize any particulate contamination, rinse the wash bottle prior
to filling from the tested container.
* * * * *
    10.3.3 Acceptable Variation in Calibration Check. If the DGM
coefficient values obtained before and after a test series differ by
more than 5 percent, the test series shall either be voided, or
calculations for the test series shall be performed using whichever
meter coefficient value (i.e., before or after) gives the lower
value of total sample volume.
* * * * *
    10.5 Temperature Sensors. Use the procedure in Section 10.3 of
Method 2 to calibrate in-stack temperature sensors. Dial
thermometers, such as are used for the DGM and condenser outlet,
shall be calibrated against mercury-in-glass thermometers. An
alternative mercury-free NIST-traceable thermometer may be used if
the thermometer is, at a minimum, equivalent in terms of performance
or suitably effective for the specific temperature measurement
application. As an alternative, the following single-point
calibration procedure may be used. After each test run series, check
the accuracy (and, hence, the calibration) of each thermocouple
system at ambient temperature, or any other temperature, within the
range specified by the manufacturer, using a reference thermometer
(either ASTM reference thermometer or a thermometer that has been
calibrated against an ASTM reference thermometer). The temperatures
of the thermocouple and reference thermometers shall agree to within
2 [deg]F.
    10.6 Barometer. Calibrate against a mercury barometer or NIST-
traceable barometer prior to the field test. Alternatively,
barometric pressure may be obtained from a weather report that has
been adjusted for the test point (on the stack) elevation.
* * * * *
    <IP_ADDRESS> * * *
    [GRAPHIC] [TIFF OMITTED] TR27FE14.012

* * * * *
    16.3 Alternative Post-Test Metering System Calibration. The
following procedure may be used as an alternative to the post-test
calibration described in Section 10.3.2. This alternative procedure
does not detect leakages between the inlet of the metering system
and the dry gas meter. Therefore, two steps must be included to make
it an equivalent alternative:
    (1) The metering system must pass the post-test leak-check from
either the inlet of the sampling train or the inlet of the metering
system. Therefore, if the train fails the former leak-check, another
leak-check from the inlet of the metering system must be conducted;
    (2) The metering system must pass the leak-check of that portion
of the train from the pump to the orifice meter as described in
Section 8.4.1.
    16.3.1 After each test run, do the following:
    <IP_ADDRESS> Ensure that the metering system has passed the post-
test leak-check. If not, conduct a leak-check of the metering system
from its inlet.
    <IP_ADDRESS> Conduct the leak-check of that portion of the train
from the pump to the orifice meter as described in Section <IP_ADDRESS>.
    <IP_ADDRESS> Calculate Yqa for each test run using the
following equation:
[GRAPHIC] [TIFF OMITTED] TR27FE14.013

Where:

Yqa = Dry gas meter calibration check value,
dimensionless.
0.0319 = (29.92/528) (0.75) \2\ (in. Hg/[deg]R) cfm\2\.
[Delta]H@ = Orifice meter calibration coefficient, in.
H2O.
Md = Dry molecular weight of stack gas, lb/lb-mole.
29 = Dry molecular weight of air, lb/lb-mole.

    16.3.2 After each test run series, do the following:
    <IP_ADDRESS> Average the three or more Yqa's obtained
from the test run series and compare this average Yqa
with the dry gas meter calibration factor Y. The average
Yqa must be within 5 percent of Y.
    <IP_ADDRESS> If the average Yqa does not meet the 5
percent criterion, recalibrate the meter over the full range of
orifice settings as detailed in Section 10.3.1. Then follow the
procedure in Section 10.3.3.
    17.0 * * *
    13. Shigehara, Roger T., P.G. Royals, and E.W. Steward.
``Alternative Method 5 Post-Test Calibration.'' Entropy
Incorporated, Research Triangle Park, NC 27709.
* * * * *

Method 5A--Determination of Particulate Matter Emissions From the
Asphalt Processing and Asphalt Roofing Industry

* * * * *
    8.1 Pretest Preparation. Unless otherwise specified, maintain
and calibrate all components according to the procedure described in
APTD-0576, ``Maintenance, Calibration, and Operation of Isokinetic
Source-Sampling Equipment'' (Reference 3 in Method 5, Section 17.0).
Alternative mercury-free thermometers may be used if the
thermometers are, at a minimum, equivalent in terms of performance
or suitably effective for the specific temperature measurement
application.
* * * * *

Method 5E--Determination of Particulate Matter Emissions From the Wool
Fiberglass Insulation Manufacturing Industry

* * * * *

16.0 Alternative Procedures

    16.1 Total Organic Carbon Analyzer. Tekmar-Dohrmann analyzers
using the single injection technique may be used as an alternative
to Rosemount Model 2100A analyzers.
* * * * *

Method 5H--Determination of Particulate Matter Emissions From Wood
Heaters From a Stack Location

* * * * *
    12.1 Nomenclature.

A = Sample flow rate adjustment factor.
BR = Dry wood burn rate, kg/hr (lb/hr), from Method 28, Section 8.3.
Bws = Water vapor in the gas stream, proportion by
volume.
Ci = Tracer gas concentration at inlet, ppmv.
Co = Tracer gas concentration at outlet, ppmv.
Cs = Concentration of particulate matter in stack gas,
dry basis, corrected to standard conditions, g/dscm (g/dscf).
E = Particulate emission rate, g/hr (lb/hr).
[Delta]H = Average pressure differential across the orifice meter
(see Figure 5H-1), mm H2O (in. H2O).
La = Maximum acceptable leakage rate for either a post-
test leak-check or for a leak-check following a component change;
equal to 0.00057 cmm (0.020 cfm) or 4 percent of the average
sampling rate, whichever is less.
L1 = Individual leakage rate observed during the leak-
check conducted before a component change, cmm (cfm).
Lp = Leakage rate observed during the post-test leak-
check, cmm (cfm).
mn = Total amount of particulate matter collected, mg.
Ma = Mass of residue of solvent after evaporation, mg.
NC = Grams of carbon/gram of dry fuel (lb/lb), equal to
0.0425.
NT = Total dry moles of exhaust gas/kg of dry wood
burned, g-moles/kg (lb-moles/lb).
PR = Percent of proportional sampling rate.
Pbar = Barometric pressure at the sampling site, mm Hg
(in.Hg).
Pstd = Standard absolute pressure, 760 mm Hg (29.92
in.Hg).
Qi = Gas volumetric flow rate at inlet, cfm (l/min).
Qo = Gas volumetric flow rate at outlet, cfm (l/min).
* * * * *
    12.15 Alternative Tracer Gas Flow Rate Determination.
    [GRAPHIC] [TIFF OMITTED] TR27FE14.014

    Note: This gives Q for a single instance only. Repeated multiple
determinations are needed to track temporal variations. Very small
variations in Qi, Ci, or Co may
give very large variations in Qo.

* * * * *

16.0 Alternative Procedures

    16.1 Alternative Stack Gas Volumetric Flow Rate Determination
(Tracer Gas).
    16.1.1 Apparatus.
    <IP_ADDRESS> Tracer Gas Injector System. This is to inject a known
concentration of tracer gas into the stack. This system consists of
a cylinder of tracer gas, a gas cylinder regulator, a stainless
steel needle valve or a flow controller, a nonreactive (stainless
steel or glass) rotameter, and an injection loop to disperse the
tracer gas evenly in the stack.
    <IP_ADDRESS> Tracer Gas Probe. A glass or stainless steel sampling
probe.
    <IP_ADDRESS> Gas Conditioning System. A gas conditioning system is
suitable for delivering a cleaned sample to the analyzer consisting
of a filter to remove particulate and a condenser capable of
lowering the dew point of the sample gas to less than 5 [deg]C
(40[emsp14][deg]F). A desiccant such as anhydrous calcium sulfate
may be used to dry the sample gas. Desiccants which react or absorb
tracer gas or stack gas may not be used, e.g. silica gel absorbs
CO2.
    <IP_ADDRESS>. Pump. An inert (i.e., stainless steel or Teflon head)
pump to deliver more than the total sample required by the
manufacturer's specifications for the analyzer used to measure the
downstream tracer gas concentration.
    <IP_ADDRESS> Gas Analyzer. A gas analyzer is any analyzer capable of
measuring the tracer gas concentration in the range necessary at
least every 10 minutes. A means of controlling the analyzer flow
rate and a device for determining proper sample flow rate shall be
provided unless data is provided to show that the analyzer is
insensitive to flow variations over the range encountered during the
test. The gas analyzer needs to meet or exceed the following
performance specifications:

------------------------------------------------------------------------

------------------------------------------------------------------------
Linearity.......................  1 percent of full scale.
Calibration Error...............  <=2 percent of span.
Response Time...................  <=10 seconds.
Zero Drift (24 hour)............  <=2 percent of full scale.
Span Drift (24 hour)............  <=2 percent of full scale.
Resolution......................  <=0.5 percent of span.
------------------------------------------------------------------------

    <IP_ADDRESS> Recorder (optional). To provide a permanent record of
the analyzer output.
    16.1.2 Reagents.
    <IP_ADDRESS> Tracer Gas. The tracer gas is sulfur hexafluoride in an
appropriate concentration for accurate analyzer measurement or pure
sulfur dioxide. The gas used must be nonreactive with the stack
effluent and give minimal (<3 percent) interference to measurement
by the gas analyzer.
    16.1.3 Procedure. Select upstream and downstream locations in
the stack or duct for introducing the tracer gas and delivering the
sampled gas to the analyzer. The inlet location should be 8 or more
duct diameters beyond any upstream flow disturbance. The outlet
should be 8 or more undisturbed duct diameters from the inlet and 2
or more duct diameters from the duct exit. After installing the
apparatus, meter a known concentration of the tracer gas into the
stack at the inlet location. Use the gas sample probe and analyzer
to show that no stratification of the tracer gas is found in the
stack at the measurement locations. Monitor the tracer gas
concentration from the outlet location and record the concentration
at 10-minute intervals or more often at the option of the tester. A
minimum of three measured intervals is recommended to determine the
stack gas volumetric flow rate. Other statistical procedures may be
applied for complete flow characterization and additional QA/QC.
* * * * *

0
25. Amend appendix A-4 to part 60 as follows:
0
a. By revising Method 6, sections 10.2 and 10.4.
0
b. By revising Method 6C, sections 4.0 and 8.3.
0
c. By revising Method 7, sections 4.0, 10.2, and 10.3.
0
d. By revising Method 7A, sections 4.0 and 10.4.
0
e. By revising Method 7E, sections 6.1, 7.1.1, the introductory text in
section 8.2.5, the introductory text in section 8.2.7, and the
introductory text in section 16.2.2.
0
f. By revising Method 8, the definition for Vsoln in section
12.1, and Figure 8-1 in section 17.0.
0
g. By revising Method 10, sections 6.2.5 and 8.4.2.
0
h. By revising Method 10A, sections 2.0, 8.2.1, 8.2.3, 11.1, 11.2, the
introductory text in section 12.3, and 13.5.
0
i. By revising Method 10B, section 2.1, 6.2.3, the introductory text in
section 12.2.

Appendix A-4 to Part 60--Test Methods 6 Through 10B

* * * * *

Method 6--Determination of Sulfur Dioxide Emissions From Stationary
Sources

* * * * *
    10.2 Temperature Sensors. Calibrate against mercury-in-glass
thermometers. An alternative mercury-free thermometer may be used if
the thermometer is, at a minimum, equivalent in terms of performance
or suitably effective for the specific temperature measurement
application.
* * * * *
    10.4 Barometer. Calibrate against a mercury barometer or NIST-
traceable barometer prior to the field test.
* * * * *

Method 6C--Determination of Sulfur Dioxide Emissions From Stationary
Sources (Instrumental Analyzer Procedure)

* * * * *

4.0 Interferences

    Refer to Section 4.0 of Method 7E.
* * * * *
    8.3 Interference Check. You must follow the procedures of
Section 8.2.7 of Method 7E

to conduct an interference check, substituting SO2 for
NOX as the method pollutant. For dilution-type
measurement systems, you must use the alternative interference check
procedure in Section 16 and a co-located, unmodified Method 6
sampling train. Quenching in fluorescence analyzers must be
evaluated and remedied unless a dilution system and ambient-level
analyzer is used. This may be done by preparing the calibration gas
to contain within 1 percent of the absolute oxygen and carbon
dioxide content of the measured gas, preparing the calibration gas
in air and using vendor nomographs, or by other acceptable means.
* * * * *

Method 7--Determination of Nitrogen Oxide Emissions From Stationary
Sources

* * * * *

4.0 Interferences

    Biased results have been observed when sampling under conditions
of high sulfur dioxide concentrations. At or above 2100 ppm
SO2, use five times the H2O2
concentration of the Method 7 absorbing solution. Laboratory tests
have shown that high concentrations of SO2 (about 2100
ppm) cause low results in Method 7 and 7A. Increasing the
H2O2 concentration to five times the original
concentration eliminates this bias. However, when no SO2
is present, increasing the concentration by five times results in a
low bias.
* * * * *
    10.2 Barometer. Calibrate against a mercury barometer or NIST-
traceable barometer prior to the field test.
    10.3 Temperature Gauge. Calibrate dial thermometers against
mercury-in-glass thermometers. An alternative mercury-free
thermometer may be used if the thermometer is, at a minimum,
equivalent in terms of performance or suitably effective for the
specific temperature measurement application.
* * * * *

Method 7A--Determination of Nitrogen Oxide Emissions From Stationary
Sources (Ion Chromatographic Method)

* * * * *

4.0 Interferences

    Biased results have been observed when sampling under conditions
of high sulfur dioxide concentrations. At or above 2100 ppm
SO2, use five times the H2O2
concentration of the Method 7 absorbing solution. Laboratory tests
have shown that high concentrations of SO2 (about 2100
ppm) cause low results in Method 7 and 7A. Increasing the
H2O2 concentration to five times the original
concentration eliminates this bias. However, when no SO2
is present, increasing the concentration by five times results in a
low bias.
* * * * *
    10.4 Temperature Gauge. Calibrate dial thermometers against
mercury-in-glass thermometers. An alternative mercury-free
thermometer may be used if the thermometer is, at a minimum,
equivalent in terms of performance or suitably effective for the
specific temperature measurement application.
* * * * *

Method 7E--Determination of Nitrogen Oxides Emissions From Stationary
Sources (Instrumental Analyzer Procedure)

* * * * *
    6.1 What do I need for the measurement system? You may use any
equipment and supplies meeting the following specifications:
    (1) Sampling system components that are not evaluated in the
system bias or system calibration error test must be glass, Teflon,
or stainless steel. Other materials are potentially acceptable,
subject to approval by the Administrator.
    (2) The interference, calibration error, and system bias
criteria must be met.
    (3) Sample flow rate must be maintained within 10 percent of the
flow rate at which the system response time was measured.
    (4) All system components (excluding sample conditioning
components, if used) must maintain the sample temperature above the
moisture dew point. Ensure minimal contact between any condensate
and the sample gas. Section 6.2 provides example equipment
specifications for a NOX measurement system. Figure 7E-1
is a diagram of an example dry-basis measurement system that is
likely to meet the method requirements and is provided as guidance.
For wet-basis systems, you may use alternative equipment and
supplies as needed (some of which are described in Section 6.2),
provided that the measurement system meets the applicable
performance specifications of this method.
* * * * *
    7.1.1 High-Level Gas. This concentration is chosen to set the
calibration span as defined in Section 3.4.
* * * * *
    8.2.5 Initial System Bias and System Calibration Error Checks.
Before sampling begins, determine whether the high-level or mid-
level calibration gas best approximates the emissions and use it as
the upscale gas. Introduce the upscale gas at the probe upstream of
all sample conditioning components in system calibration mode.
Record the time it takes for the measured concentration to increase
to a value that is at least 95 percent or within 0.5 ppm (whichever
is less restrictive) of a stable response for both the low-level and
upscale gases. Continue to observe the gas concentration reading
until it has reached a final, stable value. Record this value on a
form similar to Table 7E-2.
* * * * *
    8.2.7 Interference Check. Conduct an interference response test
of the gas analyzer prior to its initial use in the field. If you
have multiple analyzers of the same make and model, you need only
perform this alternative interference check on one analyzer. You may
also meet the interference check requirement if the instrument
manufacturer performs this or a similar check on an analyzer of the
same make and model of analyzer that you use and provides you with
documented results. Analytical quenching must be evaluated and
remedied unless a dilution system and ambient-level analyzer are
used. The analyzer must be checked for quenching at concentrations
of approximately 4 and 12 percent CO2 at a mid-range
concentration for each analyzer range which is commonly used. The
analyzer must be rechecked after it has been repaired or modified or
on another periodic basis. * * *
* * * * *
    16.2.2 Bag Procedure. Perform the analyzer calibration error
test to document the calibration (both NO and NOX modes,
as applicable). Fill a Tedlar or equivalent bag approximately half
full with either ambient air, pure oxygen, or an oxygen standard gas
with at least 19.5 percent by volume oxygen content. Fill the
remainder of the bag with mid- to high-level NO in N2 (or
other appropriate concentration) calibration gas. (Note that the
concentration of the NO standard should be sufficiently high enough
for the diluted concentration to be easily and accurately measured
on the scale used. The size of the bag should be large enough to
accommodate the procedure and time required. Verify through the
manufacturer that the Tedlar alternative is suitable for NO and make
this verifed information available for inspection.)
* * * * *

Method 8--Determination of Sulfuric Acid Mist and Sulfur Dioxide
Emissions From Stationary Sources

* * * * *
    12.1 * * *
Vsoln = Total volume of solution in which the sample is
contained, 1000 ml for the SO2 sample and 250 ml for the
H2SO4 sample.
* * * * *

17.0 Tables, Diagrams, Flowcharts, and Validation Data
[GRAPHIC] [TIFF OMITTED] TR27FE14.015

* * * * *

Method 10--Determination of Carbon Monoxide Emissions From Stationary
Sources

* * * * *
    6.2.5 Flexible Bag. Tedlar, or equivalent, with a capacity of 60
to 90 liters (2 to 3 ft\3\). (Verify through the manufacturer that
the Tedlar alternative is suitable for CO and make this verified
information available for inspection.) Leak-test the bag in the
laboratory before using by evacuating with a pump followed by a dry
gas meter. When the evacuation is complete, there should be no flow
through the meter. Gas tanks may be used in place of bags if the
samples are analyzed within one week.
* * * * *
    8.4.2 Integrated Sampling. Evacuate the flexible bag. Set up the
equipment as shown in Figure 10-1 with the bag disconnected. Place
the probe in the stack and purge the sampling line. Connect the bag,
making sure that all connections are leak-free. Sample at a rate
proportional to the stack velocity. If needed, the CO2
content of the gas may be determined by using the Method 3
integrated sample procedures, or by weighing an ascarite
CO2 removal tube used and computing CO2
concentration from the gas volume sampled and the weight gain of the
tube. Data may be recorded on a form similar to Table 10-1. If a
tank is used for sample collection, follow procedures similar to
those in Sections 8.1.2, 8.2.3, 8.3, and 12.4 of Method 25 as
appropriate to prepare the tank, conduct the sampling, and correct
the measured sample concentration.
* * * * *

Method 10A--Determination of Carbon Monoxide Emissions in Certifying
Continuous Emission Monitoring Systems at Petroleum Refineries

* * * * *

2.0 Summary of Method

    An integrated gas sample is extracted from the stack, passed
through an alkaline permanganate solution to remove sulfur oxides
and nitrogen oxides, and collected in a Tedlar or equivalent bag.
(Verify through the manufacturer that the Tedlar alternative is
suitable for NO and make this verified information available for
inspection.) The CO concentration in the sample is measured
spectrophotometrically using the reaction of CO with p-
sulfaminobenzoic acid.
* * * * *
    8.2.1 Evacuate the bag completely using a vacuum pump. Assemble
the apparatus as shown in Figure 10A-1. Loosely pack glass wool in
the tip of the probe. Place 400 ml of alkaline permanganate solution
in the first two impingers and 250 ml in the third. Connect the pump
to the third impinger, and follow this with the surge tank, rate
meter,

and 3-way valve. Do not connect the bag to the system at this time.
* * * * *
    8.2.3 Purge the system with sample gas by inserting the probe
into the stack and drawing the sample gas through the system at 300
ml/min 10 percent for 5 minutes. Connect the evacuated
bag to the system, record the starting time, and sample at a rate of
300 ml/min for 30 minutes, or until the bag is nearly full. Record
the sampling time, the barometric pressure, and the ambient
temperature. Purge the system as described above immediately before
each sample.
* * * * *
    11.1 Assemble the system shown in Figure 10A-3, and record the
information required in Table 10A-1 as it is obtained. Pipet 10.0 ml
of the colorimetric reagent into each gas reaction bulb, and attach
the bulbs to the system. Open the stopcocks to the reaction bulbs,
but leave the valve to the bag closed. Turn on the pump, fully open
the coarse-adjust flow valve, and slowly open the fine-adjust valve
until the pressure is reduced to at least 40 mm Hg. Now close the
coarse adjust valve, and observe the manometer to be certain that
the system is leak-free. Wait a minimum of 2 minutes. If the
pressure has increased less than 1 mm Hg, proceed as described
below. If a leak is present, find and correct it before proceeding
further.
    11.2 Record the vacuum pressure (Pv) to the nearest 1
mm Hg, and close the reaction bulb stopcocks. Open the bag valve,
and allow the system to come to atmospheric pressure. Close the bag
valve, open the pump coarse adjust valve, and evacuate the system
again. Repeat this fill/evacuation procedure at least twice to flush
the manifold completely. Close the pump coarse adjust valve, open
the bag valve, and let the system fill to atmospheric pressure. Open
the stopcocks to the reaction bulbs, and let the entire system come
to atmospheric pressure. Close the bulb stopcocks, remove the bulbs,
record the room temperature and barometric pressure
(Pbar, to nearest mm Hg), and place the bulbs on the
shaker table with their main axis either parallel to or
perpendicular to the plane of the table top. Purge the bulb-filling
system with ambient air for several minutes between samples. Shake
the samples for exactly 2 hours.
* * * * *
    12.3 CO Concentration in the Bag. Calculate Cb using
Equations 10A-2 and 10A-3. If condensate is visible in the bag,
calculate Bw using Table 10A-2 and the temperature and
barometric pressure in the analysis room. If condensate is not
visible, calculate Bw using the temperature and
barometric pressure at the sampling site. * * *
* * * * *
    13.5 Stability. The individual components of the colorimetric
reagent are stable for at least one month. The colorimetric reagent
must be used within two days after preparation to avoid excessive
blank correction. The samples in the bag should be stable for at
least one week if the bags are leak-free.
* * * * *

Method 10B--Determination of Carbon Monoxide Emissions From Stationary
Sources

* * * * *
    2.1 An integrated gas sample is extracted from the sampling
point, passed through a conditioning system to remove interferences,
and collected in a Tedlar or equivalent bag. (Verify through the
manufacturer that the Tedlar alternative is suitable for NO and make
this verifying information available for inspection.) The CO is
separated from the sample by gas chromatography (GC) and
catalytically reduced to methane (CH4) which is
determined by flame ionization detection (FID). The analytical
portion of this method is identical to applicable sections in Method
25 detailing CO measurement.
* * * * *
    6.2.3 Sample Injection System. Same as in Method 25, Section
<IP_ADDRESS>, equipped to accept a sample line from the bag.
* * * * *
    12.2 CO Concentration in the Bag. Calculate Cb using
Equations 10B-1 and 10B-2. If condensate is visible in the bag,
calculate Bw using Table 10A-2 of Method 10A and the
temperature and barometric pressure in the analysis room. If
condensate is not visible, calculate Bw using the
temperature and barometric pressure at the sampling site.
* * * * *

0
26. Amend appendix A-5 to part 60 as follows:
0
a. By revising Method 11, sections 8.5 and 10.1.2.
0
b. Amend Method 12 as follows:
0
i. By revising section 16.1.
0
ii. By adding sections 16.4, 16.5, and 16.6.
0
c. By adding a sentence to the end of Method 14A, section 10.1.1.

Appendix A-5 to Part 60--Test Methods 11 Through 15A

* * * * *

Method 11--Determination of Hydrogen Sulfide Content of Fuel Gas
Streams in Petroleum Refineries

* * * * *
    8.5 Sample for at least 10 minutes. At the end of the sampling
time, close the sampling valve, and record the final volume and
temperature readings. Conduct a leak-check as described in Section
8.2. A yellow color in the final cadmium sulfate impinger indicates
depletion of the absorbing solution. An additional cadmium sulfate
impinger should be added for subsequent samples and the sample with
yellow color in the final impinger should be voided.
* * * * *
    10.1.2 Temperature Sensors. Calibrate against mercury-in-glass
thermometers. An alternative mercury-free thermometer may be used if
the thermometer is at a minimum equivalent in terms of performance
or suitably effective for the specific temperature measurement
application.
* * * * *

Method 12--Determination of Inorganic Lead Emissions From Stationary
Sources

* * * * *
    16.1 Simultaneous Determination of Particulate Matter and Lead
Emissions. Method 12 may be used to simultaneously determine Pb
provided:
    (1) Acetone is used to remove particulate from the probe and
inside of the filter holder as specified by Method 5,
    (2) 0.1 N HNO3 is used in the impingers,
    (3) A glass fiber filter with a low Pb background is used, and
    (4) The entire train contents, including the impingers, are
treated and analyzed for Pb as described in Sections 8.0 and 11.0 of
this method.
* * * * *
    16.4 Inductively Coupled Plasma-Atomic Emission Spectrometry
(ICP-AES) Analysis. ICP-AES may be used as an alternative to atomic
absorption analysis provided the following conditions are met:
    16.4.1 Sample collection, sample preparation, and analytical
preparation procedures are as defined in the method except as
necessary for the ICP-AES application.
    16.4.2 The limit of quantitation for the ICP-AES must be
demonstrated, and the sample concentrations reported should be no
less than two times the limit of quantitation. The limit of
quantitation is defined as ten times the standard deviation of the
blank value. The standard deviation of the blank value is determined
from the analysis of seven blanks. It has been reported that for
mercury and those elements that form hydrides, a continuous-flow
generator coupled to an ICP-AES offers detection limits comparable
to cold vapor atomic absorption.
    16.5 Inductively Coupled Plasma-Mass Spectrometry (ICP-MS)
Analysis. ICP-MS may be used as an alternative to atomic absorption
analysis.
    16.6 Cold Vapor Atomic Fluorescence Spectrometry (CVAFS)
Analysis. CVAFS may be used as an alternative to atomic absorption
analysis.
* * * * *

Method 14A--Determination of Total Fluoride Emissions From Selected
Sources at Primary Aluminum Production Facilities

* * * * *
    10.1.1 * * * Allowable tolerances for Y and [Delta]H@ are given
in Figure 5-5 of Method 5 of this appendix.
* * * * *

0
27. Amend appendix A-6 to part 60 as follows:
0
a. By revising Method 16A, section 1.2.
0
b. By revising Method 16C, sections 12.1 and 12.5.
0
c. By revising Method 18, sections <IP_ADDRESS>.2, <IP_ADDRESS>, <IP_ADDRESS>.2,
<IP_ADDRESS>, <IP_ADDRESS>, and the headings of figures 18-3 and 18-10.
0
d. By redesignating section <IP_ADDRESS>.2.3 as section <IP_ADDRESS>.2.2.
0
e. By adding a new section <IP_ADDRESS>.2.3.

Appendix A-6 to Part 60--Test Methods 16 Through 18

* * * * *

Method 16A--Determination of Total Reduced Sulfur Emissions From
Stationary Sources (Impinger Technique)

* * * * *
    1.2 Applicability. This method is applicable for the
determination of TRS emissions from recovery boilers, lime kilns,
and smelt dissolving tanks at kraft pulp mills, reduced sulfur
compounds (H2S, carbonyl sulfide, and carbon disulfide)
from sulfur recovery units at onshore natural gas processing
facilities, and from other sources when specified in an applicable
subpart of the regulations. The flue gas must contain at least 1
percent oxygen for complete oxidation of all TRS to SO2.
Note: If sources other than kraft pulp mills experience low oxygen
levels in the emissions, the method results may be biased low.
* * * * *

Method 16C--Determination of Total Reduced Sulfur Emissions From
Stationary Sources

* * * * *
    12.1 Nomenclature.

ACE = Analyzer calibration error, percent of calibration span.
CD = Calibration drift, percent.
CDir = Measured concentration of a calibration gas (low,
mid, or high) when introduced in direct calibration mode, ppmv.
CH2S = Concentration of the system performance check gas,
ppmv H2S.
CS = Measured concentration of the system performance gas
when introduced in system calibration mode, ppmv H2S.
CV = Manufacturer certified concentration of a
calibration gas (low, mid, or high), ppmv SO2.
CSO2 = Unadjusted sample SO2 concentration,
ppmv.
CTRS = Total reduced sulfur concentration corrected for
system performance, ppmv.
DF = Dilution system (if used) dilution factor, dimensionless.
SP = System performance, percent.
* * * * *
    12.5 TRS Concentration as SO2. For each sample or
test run, calculate the arithmetic average of SO2
concentration values (e.g., 1-minute averages). Then calculate the
sample TRS concentration by adjusting the average value of
CSO2 for system performance using Equation 16C-4.
[GRAPHIC] [TIFF OMITTED] TR27FE14.016

* * * * *

Method 18--Measurement of Gaseous Organic Compound Emissions by Gas
Chromatography

* * * * *
    <IP_ADDRESS>.2 Sampling Procedure. To obtain a sample, assemble the
sample train as shown in Figure 18-9. Leak-check both the bag and
the container. Connect the vacuum line from the needle valve to the
Teflon sample line from the probe. Place the end of the probe at the
centroid of the stack or at a point no closer to the walls than 1
in., and start the pump. Set the flow rate so that the final volume
of the sample is approximately 80 percent of the bag capacity. After
allowing sufficient time to purge the line several times, connect
the vacuum line to the bag, and evacuate until the rotameter
indicates no flow. Then position the sample and vacuum lines for
sampling, and begin the actual sampling, keeping the rate
proportional to the stack velocity. As a precaution, direct the gas
exiting the rotameter away from sampling personnel. At the end of
the sample period, shut off the pump, disconnect the sample line
from the bag, and disconnect the vacuum line from the bag container.
Record the source temperature, barometric pressure, ambient
temperature, sampling flow rate, and initial and final sampling time
on the data sheet shown in Figure 18-10. Protect the bag and its
container from sunlight. Record the time lapsed between sample
collection and analysis, and then conduct the recovery procedure in
Section 8.4.2.
* * * * *
    <IP_ADDRESS> Other Modified Bag Sampling Procedures. In the event
that condensation is observed in the bag while collecting the sample
and a direct interface system cannot be used, heat the bag during
collection and maintain it at a suitably elevated temperature during
all subsequent operations. (Note: Take care to leak-check the system
prior to the dilutions so as not to create a potentially explosive
atmosphere.) As an alternative, collect the sample gas, and
simultaneously dilute it in the bag.
* * * * *
    <IP_ADDRESS>.2 Second Alternative Procedure. Prefill the bag with a
known quantity of inert gas. Meter the inert gas into the bag
according to the procedure for the preparation of gas concentration
standards of volatile liquid materials (Section <IP_ADDRESS>), but
eliminate the midget impinger section. Take the partly filled bag to
the source, and meter the source gas into the bag through heated
sampling lines and a heated flowmeter, or Teflon positive
displacement pump. Verify the dilution factors before sampling each
bag through dilution and analysis of gases of known concentration.
* * * * *
    <IP_ADDRESS>.2.3 Analyze the two field audit samples as described in
Section 9.2 by connecting each bag containing an audit gas mixture
to the sampling valve. Calculate the results; record and report the
data to the audit supervisor.
* * * * *
    <IP_ADDRESS> Flexible Bags. Tedlar or equivalent, 10- and 50-liter
capacity, for preparation of standards. (Verify through the
manufacturer that the Tedlar alternative is suitable for the
compound of interest and make this verifying information available
for inspection.)
* * * * *
    <IP_ADDRESS> Flexible Bag Procedure. Any leak-free plastic (e.g.,
Tedlar, Mylar, Teflon) or plastic-coated aluminum (e.g., aluminized
Mylar) bag, or equivalent, can be used to obtain the pre-survey
sample. Use new bags, and leak-check them before field use. In
addition, check the bag before use for contamination by filling it
with nitrogen or air and analyzing the gas by GC at high
sensitivity. Experience indicates that it is desirable to allow the
inert gas to remain in the bag about 24 hours or longer to check for
desorption of organics from the bag. Follow the leak-check and
sample collection procedures given in Section 8.2.1.
* * * * *
    18.0 * * *

Figure 18-3. Preparation of Standards in Tedlar or Tedlar-Equlivalent
Bags and Calibration Curve

* * * * *

Figure 18-10. Field Sample Data Sheet--Tedlar or Tedlar-Equivalent Bag
Collection Method

* * * * *

0
28. Amend appendix A-7 to part 60 as follows:
0
a. By amending Method 23 as follows:
0
i. By revising sections 2.2.7, <IP_ADDRESS>, and 4.2.7.
0
ii. By adding and reserving section 8.0.
0
b. By revising Method 24, section 11.2.2.
0
c. By revising Method 25, section 7.1.3.
0
d. Amend Method 25C as follows:
0
i. By revising sections 6.1 and 12.1.
0
ii. By adding a new section 8.2.3.
0
e. By revising Method 25D, the first sentence in section 9.1.

Appendix A-7 to Part 60--Test Methods 19 Through 25E

* * * * *

Method 23--Determination of Polychlorinated Dibenzo-p-Dioxins and
Polychlorinated Dibenzofurans From Stationary Sources

* * * * *
    2.2.7 Storage Container. Air-tight container to store silica
gel.
* * * * *
    <IP_ADDRESS> Sample Train. It is suggested that all components be
maintained according to the procedure described in APTD-0576.
Alternative mercury-free thermometers may be used if the
thermometers are, at a minimum, equivalent in terms of performance
or suitably effective for the specific temperature measurement
application.
* * * * *
    4.2.7 Silica Gel. Note the color of the indicating silica gel to
determine if it has been completely spent and make a mention of its
condition. Transfer the silica gel from the fifth impinger to its
original container and seal. If a moisture determination is made,
follow the applicable procedures in sections <IP_ADDRESS> and 11.2.3 of
Method 5 to handle and weigh the silica gel. If moisture is not
measured, the silica gel may be disposed.
* * * * *

8.0 [Reserved]

* * * * *

Method 24--Determination of Volatile Matter Content, Water Content,
Density, Volume Solids, and Weight Solids of Surface Coatings

* * * * *
    11.2.2 Volatile Content. To determine total volatile content,
use the apparatus and reagents described in ASTM D2369 (incorporated
by reference; see Sec.  60.17 for the approved versions of the
standard), respectively, and use the following procedures:
* * * * *

Method 25--Determination of Total Gaseous Nonmethane Organic Emissions
as Carbon

* * * * *
    7.1.3 Filters. Glass fiber filters, without organic binder,
exhibiting at least 99.95 percent efficiency (<0.05 percent
penetration) on 0.3 micron dioctyl phthalate smoke particles. The
filter efficiency test shall be conducted in accordance with ASTM
Method D2986-71, 78, or 95a (incorporated by reference--see Sec.
60.17). Test data from the supplier's quality control program are
sufficient for this purpose.
* * * * *

Method 25C--Determination of Nonmethane Organic Compounds (NMOC) in MSW
Landfill Gases

* * * * *
    6.1 Sample Probe. Stainless steel, with the bottom third
perforated. Teflon probe liners and sampling lines are also allowed.
Non-perforated probes are allowed as long as they are withdrawn to
create a gap equivalent to having the bottom third perforated. The
sample probe must be capped at the bottom and must have a threaded
cap with a sampling attachment at the top. The sample probe must be
long enough to go through and extend no less than 0.9 m (3 ft) below
the landfill cover. If the sample probe is to be driven into the
landfill, the bottom cap should be designed to facilitate driving
the probe into the landfill.
* * * * *
    8.2.3 Driven Probes. Closed-point probes may be driven directly
into the landfill in a single step. This method may not require
backfilling if the probe is adequately sealed by its insertion.
Unperforated probes that are inserted in this manner and withdrawn
at a distance from a detachable tip to create an open space are also
acceptable.
* * * * *
    12.1 Nomenclature.

Bw = Moisture content in the sample, fraction.
CN2 = Reported N2 concentration
(CN2Corr by Method 3C), fraction.
Ct = Calculated NMOC concentration, ppmv C equivalent.
Ctm = Measured NMOC concentration, ppmv C equivalent.
Pb = Barometric pressure, mm Hg.
Pt = Gas sample tank pressure after sampling, but before
pressurizing, mm Hg absolute.
Ptf = Final gas sample tank pressure after pressurizing,
mm Hg absolute.
Pti = Gas sample tank pressure after evacuation, mm Hg
absolute.
Pw = Vapor pressure of H2O (from Table 25C-1),
mm Hg.
r = Total number of analyzer injections of sample tank during
analysis (where j=injection number, 1 . . . r).
Tt = Sample tank temperature at completion of sampling,
[deg]K.
Tti = Sample tank temperature before sampling, [deg]K.
Ttf = Sample tank temperature after pressurizing, [deg]K.
* * * * *

Method 25D--Determination of the Volatile Organic Concentration of
Waste Samples

* * * * *
    9.1 Quality Control Samples. If audit samples are not available,
prepare and analyze the two types of quality control samples (QCS)
listed in Sections 9.1.1 and 9.1.2. * * *
* * * * *

0
29. Amend appendix A-8 to part 60 as follows:
0
a. By amending Method 26 as follows:
0
i. By revising sections 6.1.1, 6.1.5, and 8.1.2.
0
ii. By redesignating sections 16.0 and 17.0 as sections 17.0 and 18.0,
respectively.
0
iii. By adding a new section 16.0.
0
b. By revising Method 26A, sections 6.1.7, 8.1.5, and 8.1.6.
0
c. By amending Method 29 as follows:
0
i. By redesignating sections 16.0 and 17.0 as sections 17.0 and 18.0,
respectively.
0
ii. By adding a new section 16.0.
0
d. By revising Method 30B, the introductory text to section <IP_ADDRESS>,
the note to section 8.2.4, the note to section <IP_ADDRESS>, and sections
9.0, 10.3, 10.4, 11.3.

Appendix A-8 to Part 60--Text Methods 26 Through 30B

* * * * *

Method 26--Determination of Hydrogen Halide and Halogen Emissions From
Stationary Sources Non-Isokinetic Method

* * * * *
    6.1.1 Probe. Borosilicate glass, approximately 3/8-in. (9-mm)
I.D. with a heating system capable of maintaining a probe gas
temperature during sampling between 120 and 134 [deg]C (248 and
273[emsp14] [deg]F) to prevent moisture condensation; or Teflon
where stack probes are below 210 [deg]C. If HF is a target analyte,
then preconditioning of new teflon components by heating should be
considered to prevent potential HF outgassing. A Teflon-glass filter
in a mat configuration should be installed to remove particulate
matter from the gas stream.
* * * * *
    6.1.5 Heating System. Any heating system capable of maintaining
a temperature around the probe and filter holder between 120 and 134
[deg]C (248 and 273[emsp14] [deg]F) during sampling, or such other
temperature as specified by an applicable subpart of the standards
or approved by the Administrator for a particular application.
* * * * *
    8.1.2 Adjust the probe temperature and the temperature of the
filter and the stopcock (i.e., the heated area in Figure 26-1) to a
temperature sufficient to prevent water condensation. This
temperature must be maintained between 120 and 134 [deg]C (248 and
273 [deg]F). The temperature should be monitored throughout a
sampling run to ensure that the desired temperature is maintained.
It is important to maintain a temperature around the probe and
filter in this range since it is extremely difficult to purge acid
gases off these components. (These components are not quantitatively
recovered and, hence, any collection of acid gases on these
components would result in potential undereporting of these
emissions. The applicable subparts may specify alternative higher
temperatures.)
* * * * *

16.0 Alternative Procedures

    Method 26A. Method 26A, which uses isokinetic sampling
equipment, is an acceptable alternative to Method 26.
* * * * *

Method 26A--Determination of Hydrogen Halide and Halogen Emissions From
Stationary Sources--Isokinetic Method

* * * * *
    6.1.7 Heating System. Any heating system capable of maintaining
a temperature around the probe and filter holder between 120 and 134
[deg]C (248 to 273[emsp14] [deg]F) during sampling, or such other
temperature as specified by an applicable subpart of the standards
or approved by the Administrator for a particular application.
* * * * *
    8.1.5 Sampling Train Operation. Follow the general procedure
given in Method 5, Section 8.5. It is important to maintain a
temperature around the probe, filter (and cyclone, if used) between
120 and 134 [deg]C (248 and 273 [deg]F) since it is extremely
difficult to purge acid gases off these components. (These
components are not quantitatively recovered and hence any collection
of acid gases on these components would result in potential
undereporting these emissions. The applicable subparts may specify
alternative higher temperatures.) For each run, record the data
required on a data sheet such as the one shown in Method 5, Figure
5-3. If the condensate impinger becomes too full, it may be emptied,
recharged with 50 ml of 0.1 N H2SO4, and replaced during the sample
run. The condensate emptied must be saved and included in the
measurement of the volume of moisture collected and included in the
sample for analysis. The additional 50 ml of absorbing reagent must
also be considered in calculating the moisture. Before the sampling
train integrity is compromised by removing the impinger, conduct a
leak-check as described in Method 5, Section 8.4.2.
    8.1.6 Post-Test Moisture Removal (Optional). When the optional
cyclone is included in the sampling train or when

liquid is visible on the filter at the end of a sample run even in
the absence of a cyclone, perform the following procedure. Upon
completion of the test run, connect the ambient air conditioning
tube at the probe inlet and operate the train with the filter
heating system between 120 and 134 [deg]C (248 and 275 [deg]F) at a
low flow rate (e.g., [Delta]H = 1 in. H2O) to vaporize
any liquid and hydrogen halides in the cyclone or on the filter and
pull them through the train into the impingers. After 30 minutes,
turn off the flow, remove the conditioning tube, and examine the
cyclone and filter for any visible liquid. If liquid is visible,
repeat this step for 15 minutes and observe again. Keep repeating
until the cyclone is dry.
* * * * *

Method 29--Determination of Metals Emissions From Stationary Sources

* * * * *

16.0 Alternative Procedures

    16.1 Alternative Analyzer. Samples may also be analyzed by cold
vapor atomic fluorescence spectrometry.
    16.2 [Reserved].
* * * * *

Method 30B--Determination of Total Vapor Phase Mercury Emissions From
Coal-Fired Combustion Sources Using Carbon Sorbent Traps

* * * * *
    <IP_ADDRESS> Determination of Minimum Calibration Concentration or
Mass. Based on your instrument's sensitivity and linearity,
determine the calibration concentrations or masses that make up a
representative low level calibration range. Verify that you are able
to meet the multipoint calibration performance criteria in section
11.0 of this method. Select a calibration concentration or mass that
is no less than 2 times the lowest concentration or mass in your
calibration curve. The lowest point in your calibration curve must
be at least 5, and preferably 10, times the Method Detection Limit
(MDL), which is the minimum amount of the analyte that can be
detected and reported. The MDL must be determined at least once for
the analytical system using an MDL study such as that found in
section 15.0 to Method 301 of appendix A to part 63 of this chapter.
* * * * *
    8.2.4 * * *
    Note to Section 8.2.4: For the purposes of relative accuracy
testing of Hg monitoring systems under subpart UUUUU of part 63 of
this chapter and Performance Specifications 12A and 12B in appendix
B to this part, when the stack gas Hg concentration is expected to
be very low (<0.5 [mu]g/dscm), you may estimate the Hg concentration
at 0.5 [mu]g/dscm.
* * * * *
    <IP_ADDRESS> * * *
    Note to Section <IP_ADDRESS>: It is acceptable to perform the field
recovery test concurrent with actual test runs (e.g., through the
use of a quad probe). It is also acceptable to use the field
recovery test runs as test runs for emissions testing or for the
RATA of a Hg monitoring system under subpart UUUUU of part 63 of
this chapter and Performance Specifications 12A and 12B in appendix
B to this part, if certain conditions are met. To determine whether
a particular field recovery test run may be used as a RATA run,
subtract the mass of the Hg\0\ spike from the total Hg mass
collected in sections 1 and 2 of the spiked trap. The difference
represents the mass of Hg in the stack gas sample. Divide this mass
by the sample volume to obtain the Hg concentration in the effluent
gas stream, as measured with the spiked trap. Compare this
concentration to the corresponding Hg concentration measured with
the unspiked trap. If the paired trains meet the relative deviation
and other applicable data validation criteria in Table 9-1, then the
average of the two Hg concentrations may be used as an emissions
test run value or as the reference method value for a RATA run.
* * * * *

9.0 Quality Assurance and Quality Control

    Table 9-1 summarizes the QA/QC performance criteria that are
used to validate the Hg emissions data from Method 30B sorbent trap
measurement systems.

                      Table 9-1--Quality Assurance/Quality Control Criteria for Method 30B
----------------------------------------------------------------------------------------------------------------
     QA/QC test or specification         Acceptance criteria           Frequency         Consequences if not met
----------------------------------------------------------------------------------------------------------------
Gas flow meter calibration (At 3       Calibration factor (Yi)  Prior to initial use     Recalibrate at 3 points
 settings or points).                   at each flow rate must   and when post-test       until the acceptance
                                        be within 2% of the          5% of Y.
                                        average value (Y).
Gas flow meter post-test calibration   Calibration factor (Yi)  After each field test.   Recalibrate gas flow
 check (Single-point).                  must be within 5% of the Y        must be done on-site,    determine a new value
                                        value from the most      using stack gas.         of Y. For mass flow
                                        recent 3-point                                    meters, must be done
                                        calibration.                                      on-site, using stack
                                                                                gas. Apply the new Y
                                                                                value to the field
                                                                                test data.
Temperature sensor calibration.......  Absolute temperature     Prior to initial use     Recalibrate; sensor may
                                        measures by sensor       and before each test     not be used until
                                        within 1.5% of a
                                        reference sensor.
Barometer calibration................  Absolute pressure        Prior to initial use     Recalibrate; instrument
                                        measured by instrument   and before each test     may not be used until
                                        within 10    thereafter.              specification is met.
                                        mm Hg of reading with
                                        a mercury barometer or
                                        NIST traceable
                                        barometer.
Pre-test leak check..................  <=4% of target sampling  Prior to sampling......  Sampling shall not
                                        rate.                                             commence until the
                                                                                leak check is passed.
Post-test leak check.................  <=4% of average          After sampling.........  Sample invalidated.*
                                        sampling rate.
Analytical matrix interference test    Establish minimum        Prior to analyzing any   Field sample results
 (wet chemical analysis, only).         dilution (if any)        field samples; repeat    not validated.
                                        needed to eliminate      for each type of
                                        sorbent matrix           sorbent used.
                                        interferences.
Analytical bias test.................  Average recovery         Prior to analyzing       Field samples shall not
                                        between 90% and 110%     field samples and        be analyzed until the
                                        for Hg\0\ and HgCl2 at   prior to use of new      percent recovery
                                        each of the 2 spike      sorbent media.           criteria has been met.
                                        concentration levels.
Multipoint analyzer calibration......  Each analyzer reading    On the day of analysis,  Recalibrate until
                                        within 10%   before analyzing any     successful.
                                        of true value and        samples.
                                        r\2\>=0.99.
Analysis of independent calibration    Within 10%   Following daily          Recalibrate and repeat
 standard.                              of true value.           calibration, prior to    independent standard
                                                                 analyzing field          analysis until
                                                                 samples.                 successful.

Analysis of continuing calibration     Within 10%   Following daily          Recalibrate and repeat
 verification standard (CCVS).          of true value.           calibration, after       independent standard
                                                                 analyzing <=10 field     analysis, reanalyze
                                                                 samples, and at end of   samples until
                                                                 each set of analyses.    successful, if
                                                                                possible; for
                                                                                destructive
                                                                                techniques, samples
                                                                                invalidated.
Test run total sample volume.........  Within 20%   Each individual sample.  Sample invalidated.
                                        of total volume
                                        sampled during field
                                        recovery test.
Sorbent trap section 2 breakthrough..  For compliance/          Every sample...........  Sample invalidated.*
                                        emissions testing:
                                       <=10% of section 1 Hg
                                        mass for Hg
                                        concentrations >1
                                        [mu]g/dscm;
                                          <=20% of section 1
                                           Hg mass for Hg
                                           concentrations <=1
                                           [mu]g/dscm.
                                          <=50% of section 1
                                           Hg mass if the
                                           stack Hg
                                           concentration is
                                           <=30% of the Hg
                                           concentration that
                                           is equivalent to
                                           the applicable
                                           emission limit.
                                       For relative accuracy
                                        testing:
                                       <=10% of section 1 Hg
                                        mass for Hg
                                        concentrations >1
                                        [mu]g/dscm;
                                       <=20% of section 1 Hg
                                        mass for Hg
                                        concentrations <=1
                                        [mu]g/dscm and >0.5
                                        [mu]g/dscm;
                                       <=50% of section 1 Hg
                                        mass for Hg
                                        concentrations <=0.5
                                        [mu]g/dscm >0.1 [mu]g/
                                        dscm;
                                          no criterion for Hg
                                           concentrations
                                           <=0.1 [mu]g/dscm
                                           (must meet all
                                           other QA/QC
                                           specifications).
Paired sorbent trap agreement........  <=10% Relative           Every run..............  Run invalidated.*
                                        Deviation (RD) mass
                                        for Hg concentrations
                                        >1 [mu]g/dscm;
                                       <=20% RD or <=0.2 [mu]g/
                                        dscm absolute
                                        difference for Hg
                                        concentrations <=1
                                        [mu]g/dscm.
Sample analysis......................  Within valid             All Section 1 samples    Reanalyze at more
                                        calibration range        where stack Hg           concentrated level if
                                        (within calibration      concentration is         possible, samples
                                        curve).                  >=0.02 [mu]g/dscm        invalidated if not
                                                                 except in case where     within calibrated
                                                                 stack Hg concentration   range.
                                                                 is <=30% of the
                                                                 applicable emission
                                                                 limit.
Sample analysis......................  Within bounds of Hg\0\   All Section 1 samples    Expand bounds of Hg\0\
                                        and HgCl2 Analytical     where stack Hg           and HgCl2 Analytical
                                        Bias Test.               concentration is >=0.5   Bias Test; if not
                                                                 [mu]g/dscm.              successful, samples
                                                                                invalidated.
Field recovery test..................  Average recovery         Once per field test....  Field sample runs not
                                        between 85% and 115%                              validated without
                                        for Hg\0\.                                        successful field
                                                                                recovery test.
----------------------------------------------------------------------------------------------------------------
* And data from the pair of sorbent traps are also invalidated.

* * * * *
    10.3 Thermocouples and Other Temperature Sensors. Use the
procedures and criteria in Section 10.3 of Method 2 in appendix A-1
to this part to calibrate in-stack temperature sensors and
thermocouples. Dial thermometers shall be calibrated against
mercury-in-glass thermometers or equivalent. Calibrations must be
performed prior to initial use and before each field test
thereafter. At each calibration point, the absolute temperature
measured by the temperature sensor must agree to within 1.5 percent of the temperature measured with the reference
sensor, otherwise the sensor may not continue to be used.
    10.4 Barometer. Calibrate against a mercury barometer or other
NIST-traceable barometer as per Section 10.6 of Method 5 in appendix
A-3 to this part. Calibration must be performed prior to initial use
and before each test program, and the absolute pressure measured by
the barometer must agree to within 10 mm Hg of the
pressure measured by the mercury or other NIST-traceable barometer,
otherwise the barometer may not continue to be used.
* * * * *
    11.3 Field Sample Analyses. Analyze the sorbent trap samples
following the same procedures that were used for conducting the
Hg\0\ and HgCl2 analytical bias tests. The individual
sections of the sorbent trap and their respective components must be
analyzed separately (i.e., section 1 and its components, then
section 2 and its components). All sorbent trap section 1 sample
analyses must be within the

calibrated range of the analytical system as specified in Table 9-1.
For wet analyses, the sample can simply be diluted to fall within
the calibrated range. However, for the destructive thermal analyses,
samples that are not within the calibrated range cannot be re-
analyzed. As a result, the sample cannot be validated, and another
sample must be collected. It is strongly suggested that the
analytical system be calibrated over multiple ranges so that
thermally analyzed samples fall within the calibrated range. The
total mass of Hg measured in each sorbent trap section 1 must also
fall within the lower and upper mass limits established during the
initial Hg\0\ and HgCl2 analytical bias test. If a sample
is analyzed and found to fall outside of these limits, it is
acceptable for an additional Hg\0\ and HgCl2 analytical
bias test to be performed that now includes this level. However,
some samples (e.g., the mass collected in trap section 2), may have
Hg levels so low that it may not be possible to quantify them in the
analytical system's calibrated range. Because a reliable estimate of
these low-level Hg measurements is necessary to fully validate the
emissions data, the MDL (see section <IP_ADDRESS> of this method) is used
to establish the minimum amount that can be detected and reported.
If the measured mass or concentration is below the lowest point in
the calibration curve and above the MDL, the analyst must estimate
the mass or concentration of the sample based on the analytical
instrument response relative to an additional calibration standard
at a concentration or mass between the MDL and the lowest point in
the calibration curve. This is accomplished by establishing a
response factor (e.g., area counts per Hg mass or concentration) and
estimating the amount of Hg present in the sample based on the
analytical response and this response factor.
    Example: The analysis of a particular sample results in a
measured mass above the MDL, but below the lowest point in the
calibration curve which is 10 ng. An MDL of 1.3 ng Hg has been
established by the MDL study. A calibration standard containing 5 ng
of Hg is analyzed and gives an analytical response of 6,170 area
counts, which equates to a response factor of 1,234 area counts/ng
Hg. The analytical response for the sample is 4,840 area counts.
Dividing the analytical response for the sample (4,840 area counts)
by the response factor gives 3.9 ng Hg, which is the estimated mass
of Hg in the sample.
* * * * *

0
30. Amend appendix B to part 60 as follows:
0
a. By revising Performance Specification 3, section 13.2.
0
b. By revising Performance Specification 4, section 8.2.
0
c. By revising Performance Specification 4B, section 7.1.1.
0
d. By amending Performance Specification 7 as follows:
0
i. By revising section 8.4.
0
ii. By adding reference 5. to section 16.0.
0
e. By revising Performance Specification 11, sections 12.1(1) and (2).
0
f. By revising Performance Specification 12B, table 12B-1 in section
9.0 and section 12.8.3.
0
g. By revising Performance Specification 15, sections <IP_ADDRESS>.2 and
<IP_ADDRESS>.3.
0
h. By revising Performance Specification 16, sections 6.1.7, 8.2.1,
9.1, 9.3, 9.4, 12.4, and 13.5.

Appendix B to Part 60--Performance Specifications

* * * * *

Performance Specification 3--Specifications and Test Procedures for
O2 and CO2 Continuous Emission Monitoring Systems
in Stationary Sources

* * * * *
    13.2 CEMS Relative Accuracy Performance Specification. The RA of
the CEMS must be no greater than 20 percent of the mean value of the
reference method (RM) data. The results are also acceptable if the
absolute value of the difference between the mean RM value and the
mean CEMS value is less than or equal to 1.0 percent O2
(or CO2).
* * * * *

Performance Specification 4--Specifications and Test Procedures for
Carbon Monoxide Continuous Emission Monitoring Systems in Stationary
Sources

* * * * *
    8.2 Reference Methods. Unless otherwise specified in an
applicable subpart of the regulation, Method 10, 10A, 10B or other
approved alternative are the RM for this PS.
* * * * *

Performance Specification 4B--Specifications and Test Procedures for
Carbon Monoxide and Oxygen Continuous Monitoring Systems in Stationary
Sources

* * * * *
    7.1.1 Calculations. Summarize the results on a data sheet.
Average the differences between the instrument response and the
certified cylinder gas value for each gas. Calculate the CE results
for the CO monitor according to:

CE = [bond] d/FS [bond] x 100 (1)

Where d is the mean difference between the CEMS response and the
known reference concentration, and FS is the span value. The CE for
the O2 monitor is the average percent O2
difference between the O2 monitor and the certified
cylinder gas value for each gas.
* * * * *

Performance Specification 7--Specifications and Test Procedures for
Hydrogen Sulfide Continuous Emission Monitoring Systems in Stationary
Sources

* * * * *
    8.4 Relative Accuracy Test Procedure.
    8.4.1 Sampling Strategy for RM Tests, Number of RM Tests,
Correlation of RM and CEMS Data, and Calculations. These are the
same as that in PS-2, Sections 8.4.3 (except as specified below),
8.4.4, 8.4.5, and 8.4.6, respectively.
    8.4.2 Reference Methods. Unless otherwise specified in an
applicable subpart of the regulation, Methods 11, 15, and 16 may be
used for the RM for this PS.
    <IP_ADDRESS> Sampling Time Per Run--Method 11. A sampling run, when
Method 11 (integrated sampling) is used, shall consist of a single
measurement for at least 10 minutes and 0.010 dscm (0.35 dscf). Each
sample shall be taken at approximately 30-minute intervals.
    <IP_ADDRESS> Sampling Time Per Run--Methods 15 and 16. The sampling
run shall consist of two injections equally spaced over a 30-minute