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ASTM D6620-00

Historical Revision

Standard Practice for Asbestos Detection Limit Based on Counts

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1.1 This practice presents the procedure for determining the detection limit (DL) for measurements of fibers or structures using microscopy methods.

1.2 This practice applies to samples of air that are analyzed either by phase contrast microscopy (PCM) or transmission electron microscopy (TEM), and samples of dust that are analyzed by TEM.

1.3 The microscopy methods entail counting asbestos structures and reporting the results as structures per cubic centimeter of air (str/cc) or fibers per cubic centimeter of air (f/cc) for air samples and structures per square centimeter of surface area (str/cm2) for dust samples.


SDO ASTM: ASTM International
Document Number D6620
Publication Date Dec. 10, 2000
Language en - English
Page Count 11
Revision Level 00
Supercedes
Committee D22.07
Publish Date Document Id Type View
Jan. 1, 2019 D6620-19 Revision
Oct. 1, 2006 D6620-06 Revision
Dec. 10, 2000 D6620-00 Revision
Oct. 1, 2010 D6620-06R10 Reaffirmation