Appendix A-4: Test Methods 6 through 10B - Subpart Appendix A-4

eCFR Appendix A-4 [ecfr.gov]

Test methods for stationary sources:
Method 6:
Determination of SO2 emissions

Method 6A:
Determination of SO2, moisture, and CO2 from fossil fuel combustion sources.

Method 6B:
Determination of SO2 and CO2 daily average emission from fossil fuel combustion sources.

Method 6C:
Determination of SO2 emissions (instrumental analyzer procedure).

Method 7:
Determination of NOx emissions

Method 7A:
Determination of NOx emissions (ion chromatographic method).

Method 7B:
Determination of NOx emissions (ultraviolet spectrophotometry).

Method 7C:
Determination of NOx emissions (alkaline-permanganate/ colorimetric method)

Method 7D:
Determination of NOx emissions (alkaline-permangante/ion chromatographic method)

Method 7E:
Determination of NOx emissions (instrumental analyzer procedure).

Method 8:
Determination of sulfuric acid (H2SO4) mist and SO2 emissions

Method 9:
Visual determination of the opacity of emissions

Alternate Method 1 to Method 9:
Determination of opacity remotely by lidar.

Method 10:
Determination of CO emissions

Method 10A:
Determination of CO emissions in certifying continuous emission monitoring systems (CEMS) at petroleum refineries.

Method 10B:
Determination of CO emissions

eCFR Appendix A-4 [ecfr.gov]