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Significance and Use
Greenhouse gases are reported to be a major contributor to global warming. Since “biomass CO2” emitted from combustion devices represents a net-zero carbon contribution to the atmosphere (that is, plants remove CO2 from the atmosphere and subsequent combustion returns it), it does not contribute additional CO2 to the atmosphere. The measurement of biomass (biogenic) CO2 allows regulators and stationary source owners/operators to determine the ratio of fossil-derived CO2 and biomass CO2 in developing control strategies and to meet federal, state, local and regional greenhouse gas reporting requirements.
The distinction of the two types of CO2 has financial, control and regulatory implications.
1.1 This practice defines specific procedures for the collection of gas samples from stationary emission sources for subsequent laboratory determination of the ratio of biomass (biogenic) carbon to total carbon (fossil derived carbon plus biomass or biogenic carbon) in accordance with D 6866
1.2 This practice applies to stationary sources that burn municipal solid waste or a combination of fossil fuel (for example, coal, oil, natural gas) and biomass fuel (for example, wood, wood waste, paper, agricultural waste, biogas) in boilers, combustion turbines, incinerators, kilns, internal combustion engines and other combustion devices.
1.3 This practice applies to the collection of integrated samples over periods from 1 hour to 24 hours, or longer.
1.4 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D1356 Terminology Relating to Sampling and Analysis of Atmospheres
D4840 Guide for Sample Chain-of-Custody Procedures
D6866 Test Methods for Determining the Biobased Content of Solid, Liquid, and Gaseous Samples Using Radiocarbon Analysis
ICS Number Code 71.040.40 (Chemical analysis)
UNSPSC Code 73101801(Biomass production services); 77121500(Air pollution)
ASTM D7459-08, Standard Practice for Collection of Integrated Samples for the Speciation of Biomass (Biogenic) and Fossil-Derived Carbon Dioxide Emitted from Stationary Emissions Sources, ASTM International, West Conshohocken, PA, 2008, www.astm.orgBack to Top