1.1 本规程规定了从固定排放源收集气体样本的具体程序，以便随后根据试验方法在实验室确定生物质（生物源）碳与总碳（化石源碳加生物质或生物源碳）的比率 D6866 . 1.2 这种做法适用于在锅炉、燃气轮机、焚烧炉、窑炉、内燃机和其他燃烧装置中燃烧城市固体废物或化石燃料（如煤炭、石油、天然气）和生物质燃料（如木材、木材废物、纸张、农业废物、沼气）组合的固定源。 1.3 此做法适用于在1小时至24小时或更长时间内收集综合样本。 1.4 以国际单位制表示的值应被视为标准值。本标准不包括其他计量单位。 1.5 本标准并不旨在解决与其使用相关的所有安全问题（如果有的话）。本标准的使用者有责任在使用前建立适当的安全、健康和环境实践，并确定监管限制的适用性。 1.6 本国际标准是根据世界贸易组织技术性贸易壁垒委员会发布的《关于制定国际标准、指南和建议的原则的决定》中确立的国际公认的标准化原则制定的。 =====意义和用途====== 5.1 据报道，温室气体是全球变暖的主要原因。自“生物质CO 2. 燃烧装置排放的二氧化碳对大气的净零碳贡献（即植物去除二氧化碳 2. 从大气中释放，随后燃烧将其返回），它不会产生额外的CO 2. 到大气。生物量（生物源）CO的测量 2. 允许监管机构和固定污染源所有者/运营商确定化石衍生CO的比例 2. 生物质CO 2. 制定控制策略，满足联邦、州、地方和地区的温室气体报告要求。 5.2 两种CO的区别 2. 具有财务、控制和监管方面的影响。

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 Test Methods D6866 . 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 h to 24 h, 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.6 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee. ====== Significance And Use ====== 5.1 Greenhouse gases are reported to be a major contributor to global warming. Since “biomass CO 2 ” emitted from combustion devices represents a net-zero carbon contribution to the atmosphere (that is, plants remove CO 2 from the atmosphere and subsequent combustion returns it), it does not contribute additional CO 2 to the atmosphere. The measurement of biomass (biogenic) CO 2 allows regulators and stationary source owners/operators to determine the ratio of fossil-derived CO 2 and biomass CO 2 in developing control strategies and to meet federal, state, local and regional greenhouse gas reporting requirements. 5.2 The distinction of the two types of CO 2 has financial, control and regulatory implications.