1、Designation:D2590/D2590M98(Reapproved 2019)Standard Test Method forSampling Chrysotile Asbestos1This standard is issued under the fixed designation D2590/D2590M;the number immediately following the designation indicates theyear of original adoption or,in the case of revision,the year of last revisio
2、n.A number in parentheses indicates the year of lastreapproval.A superscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This test method covers procedures for taking a com-posite or a master composite sample,at the mine or at thefactory or from a consignm
3、ent,of a lot of milled asbestos fiberused as raw material in the chrysotile asbestos industry,conditioning this sample and reducing it in quantity through aseries of steps to provide a relatively small test specimen ofloose asbestos fibers,representative of the lot and suitable forthe determination
4、of a single property.1.2 This sampling method is suitable for taking test speci-mens of chrysotile asbestos for Test Methods:C1119,C1120,C1121,C1122,C1123,C1124,C1125,C1162,D1118,D2589,D2752,D2946,D2947,D2985,D2987,D3639,D3752 andD3880.1.3 Test Method D3879 covers the sampling of amphiboleasbestos f
5、ibers.1.4 The values stated in either SI units or inch-pound unitsare to be regarded separately as standard.The values stated ineach system may not be exact equivalents;therefore,eachsystem shall be used independently of the other.Combiningvalues from the two systems may result in non-conformancewit
6、h the standard.1.5 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety,health,and environmental practices and deter-mine the applicability of regulatory limitations pr
7、ior to use.1.6 This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recom-mendations issued by the World Trade Organization TechnicalB
8、arriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:2C1119 Test Method for Vacuum Drainage of Asbestos-Cement MixesC1120 Test Method for Wash Test of AsbestosC1121 Test Method for Turner and Newall(T and N)Wet-Length Classification of AsbestosC1122 Test Method for Wet Volume of A
9、sbestosC1123 Test Method for Compressibility and Recovery ofAsbestosC1124 Test Method for Kerosene Retention of AsbestosC1125 Test Method for Penetration Index of AsbestosC1162 Test Method for Loose Density of AsbestosD1118 Test Method for Magnetic Rating of Asbestos Fiberand Asbestos TextilesD2589
10、Test Method for McNett Wet Classification of DualAsbestos FiberD2752 Test Methods forAir Permeability ofAsbestos FibersD2946 Terminology for Asbestos and AsbestosCementProductsD2947 Test Method for Screen Analysis of Asbestos FibersD2985 Test Method for Color of AsbestosD2987 Test Method for Moistur
11、e Content of Asbestos FiberD3639 Test Method for Classification of Asbestos by Que-bec Standard TestD3752 Test Method for Strength Imparted by Asbestos to aCementitious MatrixD3879 Test Method for Sampling Amphibole Asbestos(Withdrawn 2009)3D3880 Test Method for Asbestos Strength Units2.2 ASTM Adjun
12、cts:Laboratory Filter Drawings43.Terminology3.1 Definitions:1This test method is under the jurisdiction of ASTM Committee C17 onFiber-Reinforced Cement Products and is the direct responsibility of SubcommitteeC17.03 on Asbestos-Cement Sheet Products and Accessories.Current edition approved April 15,
13、2019.Published May 2019.Originallyapproved in 1967.Last previous edition approved in 2011 as D2590 98(2011)1.DOI:10.1520/D2590_D2590M-98R19.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume in
14、formation,refer to the standards Document Summary page onthe ASTM website.3The last approved version of this historical standard is referenced onwww.astm.org.4Available from ASTM International Headquarters.Order Adjunct No.ADJD2590.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West
15、Conshohocken,PA 19428-2959.United StatesThis international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recommendations issued by the World Trade O
16、rganization Technical Barriers to Trade(TBT)Committee.1 3.1.1 bagany quantity of asbestos fiber corresponding toone particular grade that is packed in a suitable container.NOTE1In the asbestos industry,the typical quantity contained in abag is 45 kg 100 lb approximately.3.1.2 composite samplea set of unit samples of asbestosfiber(drawn systematically or at random)taken from a lot,comprising not less than two and not more than 200 bags,foruse in the laboratory as a test sample;that is as a source
