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Description of ASTM-D5466 2007ASTM D5466 - 01(2007)Standard Test Method for Determination of Volatile Organic Chemicals in Atmospheres (Canister Sampling Methodology)Active Standard ASTM D5466 | Developed by Subcommittee: D22.05 Book of Standards Volume: 11.07 ASTM D54661. Scope 1.1 This test method describes a procedure for sampling and analysis of volatile organic compounds (VOCs) in ambient, indoor, or workplace atmospheres. The test method is based on the collection of air samples in stainless steel canisters with specially treated (passivated) interior surfaces. For sample analysis, a portion of the sample is subsequently removed from the canister and the collected VOCs are selectively concentrated by adsorption or condensation onto a trap, subsequently released by thermal desorption, separated by gas chromatography, and measured by a mass spectrometric detector or other detector(s). This test method describes procedures for sampling into canisters to final pressures both above and below atmospheric pressure (respectively referred to as pressurized and subatmospheric pressure sampling). 1.2 This test method is applicable to specific VOCs that have been tested and determined to be stable when stored in canisters. Numerous compounds, many of which are chlorinated VOCs, have been successfully tested for storage stability in pressurized canisters (1-4) . Although not as extensive, documentation is also available demonstrating stability of VOCs in subatmospheric pressure canisters. While initial studies were concentrated on non-polar VOCs, information on storage stability has been extended to many polar compounds as well (5-7) . 1.3 The procedure for collecting the sample involves the use of inlet lines and air filters, flow rate regulators for obtaining time-integrated samples, and in the case of pressurized samples, an air pump. Canister samplers have been designed to automatically start and stop the sample collection process using electronically actuated valves and timers (8-10) . A weatherproof shelter is required if the sampler is to be used outside. 1.4 The organic compounds that have been successfully measured at single-digit parts-per-billion by volume (ppbv) levels with this test method are listed in Table 1. This test method is applicable to VOC concentrations ranging from the detection limit to 300 ppbv. Above this concentration, samples require dilution with dry ultra-high-purity nitrogen or air. 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. Safety practices should be part of the user's SOP manual.
ASTM Standards D1356 Terminology Relating to Sampling and Analysis of Atmospheres D1357 Practice for Planning the Sampling of the Ambient Atmosphere E260 Practice for Packed Column Gas Chromatography E355 Practice for Gas Chromatography Terms and Relationships Other Documents U.S.EnvironmentalPro Available from the U.S. Dept. of Commerce, National Technical Information Service, Port Royal Road, Springfield, VA 22161 or http://www.cpa.gov/ttn/amtic/airtox.html.Keywords ambient atmospheres; analysis; atmospheres; canister sampling; gas chromatography-mass spectrometry; indoor atmospheres; sampling; volatile organic compounds; workplace atmospheres; ICS Code ICS Number Code 13.040.01 (Air quality in general) DOI: 10.1520/D5466-01R07 ASTM International is a member of CrossRef. ASTM D5466This book also exists in the following packages...Subscription InformationMADCAD.com ASTM Standards subscriptions are annual and access is unlimited concurrency based (number of people that can access the subscription at any given time) from single office location. For pricing on multiple office location ASTM Standards Subscriptions, please contact us at info@madcad.com or +1 800.798.9296.
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About ASTMASTM International, formerly known as the American Society for Testing and Materials (ASTM), is a globally recognized leader in the development and delivery of international voluntary consensus standards. Today, some 12,000 ASTM standards are used around the world to improve product quality, enhance safety, facilitate market access and trade, and build consumer confidence. ASTM’s leadership in international standards development is driven by the contributions of its members: more than 30,000 of the world’s top technical experts and business professionals representing 150 countries. Working in an open and transparent process and using ASTM’s advanced electronic infrastructure, ASTM members deliver the test methods, specifications, guides, and practices that support industries and governments worldwide. |
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