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ASTM D4765-26

Standard Test Method for Measurement of Fluorides in Workplace Atmospheres by Ion-Selective Electrodes
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ASTM D4765-26

Standard Test Method for Measurement of Fluorides in Workplace Atmospheres by Ion-Selective Electrodes

PUBLISH DATE 2026
PAGES 4
ASTM D4765-26

1.1 This test method covers the simultaneous collection and separate measurements of gaseous fluoride (for example, hydrogen fluoride) and particulate fluoride found in certain industrial workplaces. The gaseous fluorides and particulate fluorides collected are reported in terms of fluoride. The method covers sample collection, preparation, and fluoride measurement.

1.2 The procedure is not applicable to the collection or analysis of gaseous fluoro compounds (for example, fluorocarbon or fluorosulfur compounds).

1.3 The values stated in SI units are to be regarded as standard. The common non-SI unit, parts per million (ppm) is included in 11.3. Units of measurement in parentheses are informational and not to be regarded as standard.

1.4 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.

1.5 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.

5.1 The capability of this test method to collect and quantitate both particulate and gaseous fluorides over the ranges normally encountered in industrial atmospheres makes it applicable for industrial hygiene evaluation and control purposes. The recommended range of this test method for fluoride in air is from 0.005  mg/m3 to 5 mg/m3.

SDO ASTM: ASTM International
Document Number D4765
Publication Date April 1, 2026
Language en - English
Page Count 4
Revision Level 26
Supercedes
Committee D22.04
Publish Date Document Id Type View
April 1, 2026 D4765-26 Revision
Dec. 1, 2018 D4765-13R18 Revision
April 1, 2013 D4765-13 Revision
April 1, 2008 D4765-03R08 Revision
April 10, 2003 D4765-03 Revision
May 10, 1998 D4765-98 Revision