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Gas and Vapors

Method                                   Test Description

AB32 / CARB                          Flash Liberation

SW 8021B                               BTEX & MTBE by EPA 8021B

Multi-Method                            Comp. Fuel Gas (O2, N2, CO2, CO, H2S, C1-C6+, CHON%)

ASTM D1945                            Fixed Gases (CO2, CO, O2, N2, CH4)

ASTM D1945                            Hydrocarbons,C1-C6+ by D1945 (% Levels)

ASTM D3246                            Hydrogen Sulfide & Total Sulfur by ASTM D3246

ASTM D6228                            Sulfur Speciation by ASTM D6228; detection limit of 1 ppmv

ASTM D1945/M                        Hydrogen Sulfide (> 100ppm) by ASTM D1945/M

GPA-B16                                 Hydrogen Sulfide by Detector Tube

Multi-Method                            Natural Gas, C1-C10+, O2, N2, CO2, CO

ASTM D1945                            Non-Methane Organic Hydrocarbons by D1945

Multi-Method                            O2N2 Split (O2, N2, CO2, CO, C1-C6+)

EPA 18                                   Stack Gas-C1 through C6+ (PPM)

EPA 18/M                                Silica gel / sorbent tube (PPM)

RSK-175                                  Dissolved Gases in Water

EPA 202                                  Dry impinger method for condensable particulate emissions from stationary sources

EPA 323                                  Measurement of Formaldehyde emissions from natural gas-fired stationary sources

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