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Last Updated: Jan 31, 2012
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ASTM C458-98(2006)
Standard Test Method for Organic Fiber Content of Asbestos-Cement Products
Standard Test Method for Organic Fiber Content of Asbestos-Cement Products
C0458-98R06
ASTM|C0458-98R06|en-US
Standard Test Method for Organic Fiber Content of Asbestos-Cement Products
Standard
C458 Standard Test Method for Organic Fiber Content of Asbestos-Cement Products>
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Abstract
This test method covers the determination of the organic fiber content of asbestos-cement products. Three apparatuses shall be used: sieve; drying oven; and an apparatus for determination of total carbon by direct combustion. Hydrochloric acid should be used as a reagent. A calculation shall be made to determine the organic fiber content. Repeatability of the mass of organic fiber content shall be determined as low or high concentration.
Scope
1.1 This test method covers the determination of the organic fiber content of asbestos-cement products.
1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.
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 chrysotile asbestos, refer to "Safe Use of Chrysotile: A Manual on Preventive and Control Measures."
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.