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Significance and Use
The wash test gives a rapid and simple evaluation of the fines content.
The equipment required and the technique followed are both simple and undemanding.
1.1 This test method covers the procedure for determining the fines content of asbestos fibers by washing with water on a specified sieve.
1.2 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the 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 and health practices and determine the applicability of regulatory limitations prior to use. For a specific hazards warning, see 1.3.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
C430 Test Method for Fineness of Hydraulic Cement by the 45-m (No. 325) Sieve
C1121 Test Method for Turner and Newall (T and N) Wet-Length Classification of Asbestos
D2589 Test Method for McNett Wet Classification of Dual Asbestos Fiber
D2590 Test Method for Sampling Chrysotile Asbestos
D2946 Terminology for Asbestos and Asbestos-Cement Products
D3639 Test Method for Classification of Asbestos by Quebec Standard Test
D3879 Test Method for Sampling Amphibole Asbestos
E11 Specification for Woven Wire Test Sieve Cloth and Test Sieves
E177 Practice for Use of the Terms Precision and Bias in ASTM Test Methods
QAMA DocumentC-5 Method for T N Wet Classification of Asbestos Published in Chrysotile Asbestos Test Manual, 3rd edition, available from Asbestos Institute, 1002 Sherbrooke St. W, Suite 1750, Montral, QC, Canada H3A3L6.
ICS Number Code 91.100.40 (Products in fibre-reinforced cement)
UNSPSC Code 11151515(Asbestos fibers)