1、Designation: C 1120 98 (Reapproved 2006)Standard Test Method forWash Test of Asbestos1This standard is issued under the fixed designation C 1120; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revision. A number i
2、n parentheses indicates the year of last reapproval. Asuperscript epsilon (e) indicates an editorial change since the last revision or reapproval.1. Scope1.1 This test method covers the procedure for determiningthe fines content of asbestos fibers by washing with water on aspecified sieve.1.2 The va
3、lues stated in SI units are to be regarded as thestandard. The values given in parentheses are for informationonly.1.3 WarningBreathing of asbestos dust is hazardous.Asbestos and asbestos products present demonstrated healthrisks for users and for those with whom they come into contact.In addition t
4、o other precautions, when working with asbestos-cement products, minimize the dust that results. For informa-tion on the safe use of chrysoltile asbestos, refer to “Safe Useof Chrysotile Asbestos: A Manual on Preventive and ControlMeasures.”21.4 This standard does not purport to address all of thesa
5、fety concerns, if any, associated with its use. It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use. For a specifichazards warning, see 1.3.2. Referenced Documents2.1 ASTM S
6、tandards:3C 430 Test Method for Fineness of Hydraulic Cement bythe 45-m (No. 325) SieveC 1121 Test Method for Turner and Newall (T and N)Wet-Length Classification of AsbestosD 2589 Test Method for McNett Wet Classification of DualAsbestos FiberD 2590 Test Method for Sampling Chrysotile AsbestosD 294
7、6 Terminology for Asbestos and AsbestosCementProductsD 3639 Test Method for Classification of Asbestos byQuebec Standard TestD 3879 Test Method for Sampling Amphibole AsbestosE11 Specification for Wire Cloth and Sieves for TestingPurposesE 177 Practice for Use of the Terms Precision and Bias inASTM
8、Test Methods2.2 QAMA Document:C-5 Method for T fines content; wash test; wet sievingASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentionedin this standard. Users of this standard are expressly advised that determination of the
9、 validity of any such patent rights, and the riskof infringement of such rights, are entirely their own responsibility.This standard is subject to revision at any time by the responsible technical committee and must be reviewed every five years andif not revised, either reapproved or withdrawn. Your
10、 comments are invited either for revision of this standard or for additional standardsand should be addressed to ASTM International Headquarters. Your comments will receive careful consideration at a meeting of theresponsible technical committee, which you may attend. If you feel that your comments
11、have not received a fair hearing you shouldmake your views known to the ASTM Committee on Standards, at the address shown below.This standard is copyrighted by ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959,United States. Individual reprints (single or multiple copies) of this standard may be obtained by contacting ASTM at the aboveaddress or at 610-832-9585 (phone), 610-832-9555 (fax), or serviceastm.org (e-mail); or through the ASTM website(www.astm.org).C 1120 98 (2006)3
