Pt. 60, Subpt. JJJJ, Table 2
Table 2 to Subpart JJJJ of Part 60—Requirements for Performance Tests
As stated in § 60.4244, you must comply with the following requirements for performance tests within 10 percent of 100 percent peak (or the highest achievable) load:

For each
Complying with therequirement to
You must
Using
According to the following requirements
1. Stationary SI internal combustion engine demonstrating compliance according to § 60.4244.
a. limit the concentration of NOX in the stationary SI internal combustion engine exhaust.
i. Select the sampling port location and the number/location of traverse points at the exhaust of the stationary internal combustion engine;
(1) Method 1 or 1A of 40 CFR part 60, appendix A-1, if measuring flow rate
(a) Alternatively, for NOX, O2, and moisture measurement, ducts ≤6 inches in diameter may be sampled at a single 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, 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 concentration of the stationary internal combustion engine exhaust at the sampling port location;
(2) Method 3, 3A, or 3Bb of 40 CFR part 60, appendix A-2 or ASTM Method D6522-00 (Reapproved 2005) a e
(b) Measurements to determine O2 concentration must be made at the same time as the measurements for NOX concentration.

iii. If necessary, determine the exhaust flowrate of the stationary internal combustion engine exhaust;
(3) Method 2 or 2C of 40 CFR part 60, appendix A-1 or Method 19 of 40 CFR part 60, appendix A-7

iv. If necessary, measure moisture content of the stationary internal combustion engine exhaust at the sampling port location; and
(4) Method 4 of 40 CFR part 60, appendix A-3, Method 320 of 40 CFR part 63, appendix A, or ASTM Method D 6348-03 e
(c) Measurements to determine moisture must be made at the same time as the measurement for NOX concentration.

v. Measure NOX at the exhaust of the stationary internal combustion engine; if using a control device, the sampling site must be located at the outlet of the control device.
(5) Method 7E of 40 CFR part 60, appendix A-4, ASTM Method D6522-00 (Reapproved 2005) a e, Method 320 of 40 CFR part 63, appendix A, or ASTM Method D 6348-03 e
(d) Results of this test consist of the average of the three 1-hour or longer runs.

b. limit the concentration of CO in the stationary SI internal combustion engine exhaust.
i. Select the sampling port location and the number/location of traverse points at the exhaust of the stationary internal combustion engine;
(1) Method 1 or 1A of 40 CFR part 60, appendix A-1, if measuring flow rate
(a) Alternatively, for CO, O2, and moisture measurement, ducts ≤6 inches in diameter may be sampled at a single 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, 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 concentration of the stationary internal combustion engine exhaust at the sampling port location;
(2) Method 3, 3A, or 3B b of 40 CFR part 60, appendix A-2 or ASTM Method D6522-00 (Reapproved 2005) a e
(b) Measurements to determine O2 concentration must be made at the same time as the measurements for CO concentration.

iii. If necessary, determine the exhaust flowrate of the stationary internal combustion engine exhaust;
(3) Method 2 or 2C of 40 CFR part 60, appendix A-1 or Method 19 of 40 CFR part 60, appendix A-7

iv. If necessary, measure moisture content of the stationary internal combustion engine exhaust at the sampling port location; and
(4) Method 4 of 40 CFR part 60, appendix A-3, Method 320 of 40 CFR part 63, appendix A, or ASTM Method D 6348-03 e
(c) Measurements to determine moisture must be made at the same time as the measurement for CO concentration.

v. Measure CO at the exhaust of the stationary internal combustion engine; if using a control device, the sampling site must be located at the outlet of the control device.
(5) Method 10 of 40 CFR part 60, appendix A4, ASTM Method D6522-00 (Reapproved 2005) a e, Method 320 of 40 CFR part 63, appendix A, or ASTM Method D 6348-03 e
(d) Results of this test consist of the average of the three 1-hour or longer runs.

c. limit the concentration of VOC in the stationary SI internal combustion engine exhaust
i. Select the sampling port location and the number/location of traverse points at the exhaust of the stationary internal combustion engine;
(1) Method 1 or 1A of 40 CFR part 60, appendix A-1, if measuring flow rate
(a) Alternatively, for VOC, O2, and moisture measurement, ducts ≤6 inches in diameter may be sampled at a single 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, 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 concentration of the stationary internal combustion engine exhaust at the sampling port location;
(2) Method 3, 3A, or 3B b of 40 CFR part 60, appendix A-2 or ASTM Method D6522-00 (Reapproved 2005) a e
(b) Measurements to determine O2 concentration must be made at the same time as the measurements for VOC concentration.

iii. If necessary, determine the exhaust flowrate of the stationary internal combustion engine exhaust;
(3) Method 2 or 2C of 40 CFR part 60, appendix A-1 or Method 19 of 40 CFR part 60, appendix A-7

iv. If necessary, measure moisture content of the stationary internal combustion engine exhaust at the sampling port location; and
(4) Method 4 of 40 CFR part 60, appendix A-3, Method 320 of 40 CFR part 63, appendix A, or ASTM Method D 6348-03 e
(c) Measurements to determine moisture must be made at the same time as the measurement for VOC concentration.

v. Measure VOC at the exhaust of the stationary internal combustion engine; if using a control device, the sampling site must be located at the outlet of the control device.
(5) Methods 25A and 18 of 40 CFR part 60, appendices A-6 and A-7, Method 25A with the use of a methane cutter as described in 40 CFR 1065.265, Method 18 of 40 CFR part 60, appendix A-6 c d, Method 320 of 40 CFR part 63, appendix A, or ASTM Method D 6348-03 e
(d) Results of this test consist of the average of the three 1-hour or longer runs.

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.
[79 FR 11253, Feb. 27, 2014]