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Homepage>ASTM Standards>13>13.040>13.040.30>ASTM D4766-21 - Standard Test Method for Vinyl Chloride in Workplace Atmospheres (Charcoal Tube Method)
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Released: 01.03.2021

ASTM D4766-21 - Standard Test Method for Vinyl Chloride in Workplace Atmospheres (Charcoal Tube Method)

Standard Test Method for Vinyl Chloride in Workplace Atmospheres (Charcoal Tube Method)

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Standard number:D4766-21
Released:01.03.2021
Status:Active
Pages:7
Section:11.07
Keywords:air monitoring; charcoal tube method; sampling and analysis; vinyl chloride; workplace atmosphere;
DESCRIPTION

1.1 This test method describes the determination of vinyl chloride monomer (VCM) in workplace atmospheres using a modified charcoal tube method (see Practice D3686).

1.2 This procedure is compatible with low-flow rate personal sampling equipment. It can be used for personal or stationary monitoring. It cannot be used to determine instantaneous fluctuations in concentration to detect maximum values. Alternative on-site procedures, such as gas chromatography or infrared spectrometry, are required to measure fast-changing concentrations.

1.3 The range of this test method is from the limit of quantitation approximately 0.03 to 100 ppm (v).

1.4 The sampling method provides a time-weighted average sample.

1.5 The values stated in SI units are to be regarded as standard. The values given in parentheses after SI units are provided for information only and are not considered 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. For more specific precautionary statements, see Section 9, 10.2.3, and 11.1.3.

1.7 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.