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About This Item
Full Description
1.1 This specification covers limestone suitable for use as dust in coal mines to prevent coal dust explosions.
Note-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. With such a concentration of limestone, explosions cannot initiate or be propagated from nearby gas explosions. The limestone must be substantially dry in order to dust satisfactorily.Document History
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ASTM C737-22
Standard Specification for Limestone for Dusting of Coal Mines- Most Recent
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ASTM C737-13
Standard Specification for Limestone for Dusting of Coal Mines (Withdrawn 2022)- Historical Version
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ASTM C737-08
Standard Specification for Limestone for Dusting of Coal Mines- Historical Version
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ASTM C737-02
Standard Specification for Limestone for Dusting of Coal Mines- Historical Version
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ASTM C737-97
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Standard Specification for Limestone for Dusting of Coal Mines- Historical Version