ASTM C737-22 PDF

Scope: 1.1 This specification covers pulverized limestone suitable for use as dust in coal mines to reduce risk of coal dust explosions. NOTE 1—Pulverized limestone can serve as a source of incombustible material in coal mine operations. Limestone is dusted onto coal exposures in sufficient amount so that the incombustible content of the combined coal dust, rock dust, other dust, and moisture shall not be less than 80 % of all loose 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. 1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.3 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

ASTM C737-22 Referenced Document

ASTM C110 Standard Test Methods for Physical Testing of Quicklime, Hydrated Lime, and Limestone
ASTM C1271 Standard Test Method for X-ray Spectrometric Analysis of Lime and Limestone
ASTM C1301 Standard Test Method for Major and Trace Elements in Limestone and Lime by Inductively Coupled Plasma-Atomic Emission Spectroscopy 40;ICP41; and Atomic Absorption 40;AA41;
ASTM C25 Standard Test Methods for Chemical Analysis of Limestone, Quicklime, and Hydrated Lime
ASTM C50 Standard Practice for Sampling, Sample Preparation, Packaging, and Marking of Lime and Limestone Products*， 2024-04-20 Update
ASTM C51 Standard Terminology Relating to Lime and Limestone (as Used by the Industry)*， 2023-10-01 Update
ASTM E11 Standard Specification for Wire Cloth and Sieves for Testing Purposes

2022 ASTM C737-22 Standard Specification for Limestone for Dusting of Coal Mines
2013 ASTM C737-13 Standard Specification for Limestone for Dusting of Coal Mines
2008 ASTM C737-08 Standard Specification for Limestone for Dusting of Coal Mines
2002 ASTM C737-02 Standard Specification for Limestone for Dusting of Coal Mines
1997 ASTM C737-97 Standard Specification for Limestone for Dusting of Coal Mines