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  • ASTM C737-13

ASTM C737-13

Standard Specification for Limestone for Dusting of Coal Mines (Withdrawn 2022)

ASTM International , 12/01/2013

Publisher: ASTM

File Format: PDF

$28.00$56.00


Standard By:ASTM International , 12/01/2013
Published:12/01/2013
Pages:2
File Size:1 file , 57 KB
Language:English
Note:This product is unavailable in Russia, Ukraine, Belarus

1.1This specification covers limestone suitable for use as dust in coal mines to reduce risk of coal dust explosions.

Note 1-Limestone can serve as a source of incombustible material in coal mine operations. Limestone is dusted onto coal exposures in sufficient amount so that not less than 65 % of all loose dust shall be limestone incombustible material. In return air courses the concentration of incombustible materials should be not less than 80 % of the total dust (MSHA 30 CFR 75.403). With such a concentration of limestone incombustible material, dust explosions cannot initiate or be propagated from nearby gas explosions. The limestone must be substantially dry in order to dust satisfactorily.

1.2This 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.

1.3The values stated in inch-pound units are to be regarded as standard. No other units of measurement are included in this standard.

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