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API TR 2574 - FIELD TESTING PROTOCOL FOR CHARACTERIZATION OF TOTAL GASEOUS NONMETHANE ORGANICS (TGNMO), METHANE, AND ETHANE IN AIR–VAPOR MIXTURE DURING FILLING OF A CARGO VESSEL WITH CRUDE OIL - FIRST EDITION Organization: API
Date: 2016-08-01
Description: The magnitude of the bias depends on the concentrations of CO2 and water vapor. As a guideline, multiply the CO2 concentration, expressed as volume percent, times the water vapor concentration.
ISO 20765-2 - NATURAL GAS - CALCULATION OF THERMODYNAMIC PROPERTIES - PART 2: SINGLE-PHASE PROPERTIES (GAS, LIQUID, AND DENSE FLUID) FOR EXTENDED RANGES OF APPLICATION - FIRST EDITION Organization: ISO
Date: 2015-01-15
Description: For example, it is applicable to natural gases with lower content of methane (down to 0,30 mole fraction), higher content of nitrogen (up to 0,55 mole fraction), carbon dioxide (up to 0,30 mole fraction), ethane (up to 0,25 mole fraction), and propane (up to 0,14 mole fraction), and to hydrogen-rich natural gases.
FMVSS - 49 CFR 571 80 FR 40138 - GREENHOUSE GAS EMISSIONS AND FUEL EFFICIENCY STANDARDS FOR MEDIUM- AND HEAVY-DUTY ENGINES AND VEHICLES - PHASE 2 - PROPOSED RULE Organization: FMVSS
Date: 2015-07-13
Description: These include EPA's proposed hydrofluorocarbon standards to control leakage from air conditioning systems in vocational vehicles, and EPA's proposed nitrous oxide (N2O) and methane (CH4) standards for heavy-duty engines. Additionally, NHTSA is addressing misalignment in the Phase 1 standards between EPA and NHTSA to ensure there are no differences in compliance standards between the agencies.
ASTM D6159 - STANDARD TEST METHOD FOR DETERMINATION OF HYDROCARBON IMPURITIES IN ETHYLENE BY GAS CHROMATOGRAPHY Organization: ASTM
Date: 2017-01-01
Description: This test method covers the determination of methane, ethane, propane, propene, acetylene, iso-butane, propadiene, butane, trans-2-butene, butene-1, isobutene, cis-2-butene, methyl acetylene and 1,3-butadiene in high-purity ethylene.
SAE/TP - 2006-01-2092 - INTERNATIONAL SPACE STATION (ISS) MAJOR CONSTITUENT ANALYZER (MCA) ON-ORBIT PERFORMANCE Organization: SAE/TP
Date: 2006-07-17
Description: The MCA provides critical monitoring of six major atmospheric constituents (nitrogen (N2), oxygen (O2), hydrogen (H2), carbon dioxide (CO2), methane (CH4) and water vapor (H2O)) sampled continuously and automatically in all United States On-Orbit Segment (USOS) modules via the Sample Distribution System (SDS).
ASTM D6776 - STANDARD TEST METHOD FOR DETERMINING ANAEROBIC BIODEGRADABILITY OF RADIOLABELED PLASTIC MATERIALS IN A LABORATORY-SCALE SIMULATED LANDFILL ENVIRONMENT Organization: ASTM
Date: 2002-03-10
Description: The test method requires the use of a 14C-labeled material so that biodegradability can be determined by monitoring for methane (14CH) and gaseous and aqueous carbon dioxide (14CO2(G) and 14CO2(aq)), which are the terminal end products of methanogenic decomposition.
ICAO 9949 - SCOPING STUDY OF ISSUES RELATED TO LINKING “OPEN” EMISSIONS TRADING SYSTEMS INVOLVING INTERNATIONAL AVIATION - FIRST EDITION Organization: ICAO
Date: 2011-01-01
Description: Little or no N2O emissions occur from modern gas turbines (IPCC, 1999). Methane (CH4) may be emitted by gas turbines during idle and by older technology engines, but recent data suggest that little or no CH4 is emitted by modern engines.

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