ASTM D6620-00
Historical Standard: ASTM D6620-00 Standard Practice for Asbestos Detection Limit Based on Counts
SUPERSEDED (see Active link, below)
ASTM D6620
1. Scope
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/cm 2 ) for dust samples.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
ASTM Standards
D1356 Terminology Relating to Sampling and Analysis of Atmospheres
D5755 Test Method for Microvacuum Sampling and Indirect Analysis of Dust by Transmission Electron Microscopy for Asbestos Structure Number Surface Loading
D6281 Test Method for Airborne Asbestos Concentration in Ambient and Indoor Atmospheres as Determined by Transmission Electron Microscopy Direct Transfer (TEM)
D6480 Test Method for Wipe Sampling of Surfaces, Indirect Preparation, and Analysis for Asbestos Structure Number Surface Loading by Transmission Electron Microscopy
E456 Terminology Relating to Quality and Statistics
Keywords
asbestos; detection limit; fiber count; Asbestos; Counting airborne particles; Detection method;
ICS Code
ICS Number Code 13.040.99 (Other standards related to air quality)
DOI: 10.1520/D6620-00
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