1.1本规程涵盖了在装有活性炭的取样管中从空气中吸附的有机蒸汽的解吸和气相色谱测定方法的应用。 1.2本规程是对规程D3686的补充。 1.3本规程适用于从工作场所或其他大气中采集的样品的分析，前提是污染物吸附在木炭上，并且可以通过气相色谱法进行分析。实施规程D3686的A1中给出了该方法适用的部分有机化合物列表。 1.4分析过程中，多组分样品的有机化合物可能相互干扰。第6节给出了解决干扰的方法。 1.5以国际单位制表示的数值应视为标准。 1.6 本标准并非旨在解决与其使用相关的所有安全问题（如有）。本标准的用户有责任在使用前制定适当的安全和健康实践，并确定监管限制的适用性。 8.1.4.2和A1中给出了具体的预防措施。

1.1 This practice covers the applications of methods for the desorption and gas chromatographic determination of organic vapors that have been adsorbed from air in sampling tubes packed with activated charcoal. 1.2 This practice is complementary to Practice D3686. 1.3 This practice is applicable for analysis of samples taken from workplace or other atmospheres, provided that the contaminant adsorbs onto charcoal and that it can be analyzed by gas chromatography. A partial list of organic compounds for which this method is applicable is given in A1 in Practice D3686. 1.4 Organic compounds of multicomponent samples may mutually interfere during analysis. Methods to resolve interferences are given in Section 6. 1.5 The values stated in SI units are to be regarded as the standard. 1.6 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. Specific precautions are given in 8.1.4.2 and A1.