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Significance and Use
5.1 The wash test gives a rapid and simple evaluation of the fines content.
5.2 The equipment required and the technique followed are both simple and undemanding.
5.3 The fines content obtained by this test method approximates the equivalent screen classification obtained by Test Methods and .
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.
1.3 Warning—Breathing of asbestos dust is hazardous. Asbestos and asbestos products present demonstrated health risks for users and for those with whom they come into contact. In addition to other precautions, when working with asbestos-cement products, minimize the dust that results. For information on the safe use of chrysoltile asbestos, refer to “Safe Use of Chrysotile Asbestos: A Manual on Preventive and Control Measures.”
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. For a specific hazards warning, see .
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.
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 AsbestosCement 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
ICS Number Code 91.100.40 (Products in fibre-reinforced cement)
UNSPSC Code 11151515(Asbestos fibers)
|Link to Active (This link will always route to the current Active version of the standard.)|
ASTM C1120 / C1120M-98(2019), Standard Test Method for Wash Test of Asbestos, ASTM International, West Conshohocken, PA, 2019, www.astm.orgBack to Top