ASTM C1120 / C1120M - 98(2011)e1

    Standard Test Method for Wash Test of Asbestos

    Active Standard ASTM C1120 / C1120M | Developed by Subcommittee: C17.03

    Book of Standards Volume: 04.05


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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.

    The fines content obtained by this test method approximates the equivalent screen classification obtained by Test Methods C1121 and D2589.

    1. Scope

    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 WarningBreathing 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 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.

    ASTM Standards

    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 Document

    C-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 Code

    ICS Number Code 91.100.40 (Products in fibre-reinforced cement)

    UNSPSC Code

    UNSPSC Code 11151515(Asbestos fibers)


    DOI: 10.1520/C1120_C1120M-98R11E01

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