ASTM C737-13

Standard Specification for Limestone for Dusting of Coal Mines (Withdrawn 2022)

ABSTRACT
This specification covers limestone suitable for use as dust in coal mines to prevent coal dust explosions. The limestone shall conform to the chemical composition requirements prescribed. The chemical analysis and the particle size analysis of the limestone shall be conducted.
SCOPE
1.1 This 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.  
1.2 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.  
1.3 The values stated in inch-pound units are to be regarded as standard. No other units of measurement are included in this standard.

General Information

• Status: Historical
• Publication Date: 30-Nov-2013
• ICS: 73.080 - Non-metalliferous minerals
• Technical Committee: C07 - Lime and Limestone
• Drafting Committee: C07.02 - Specifications and Guidelines

Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation: C737 −13
Standard Specification for
1
Limestone for Dusting of Coal Mines
This standard is issued under the fixed designation C737; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope* C1271 Test Method for X-ray Spectrometric Analysis of
Lime and Limestone
1.1 This specification covers limestone suitable for use as
C1301 Test Method for Major and Trace Elements in Lime-
dust in coal mines to reduce risk of coal dust explosions.
stone and Lime by Inductively Coupled Plasma-Atomic
NOTE 1—Limestone can serve as a source of incombustible material in
Emission Spectroscopy (ICP) and Atomic Absorption
coal mine operations. Limestone is dusted onto coal exposures in
(AA)
sufficient amount so that not less than 65 % of all loose dust shall be
limestone incombustible material. In return air courses the concentration
3. Chemical Composition
of incombustible materials should be not less than 80 % of the total dust
(MSHA 30 CFR 75.403). With such a concentration of limestone 3.1 Limestone shall conform to the following as to chemical
incombustible material, dust explosions cannot initiate or be propagated
composition:
from nearby gas explosions. The limestone must be substantially dry in
Moisture (at point of manufacture), max, % 0.5
order to dust satisfactorily.
Silica, free and combined, max, % 4.0
1.2 This standard does not purport to address all of the
4. Physical Properties
safety concerns, if any, associated with its use. It is the
responsibility of the user of this standard to establish appro- 4.1 Limestone for this application shall have the following
priate safety and health practices and determine the applica- particle size:
bility of regulatory limitations prior to use.
Passing 850 µm (No. 20) sieve, min, % 100
Passing 75 µm (No. 200) sieve, min, % 70
1.3 The values stated in inch-pound units are to be regarded
as standard. No other units of measurement are included in this
5. Test Methods
standard.
5.1 Chemical Analysis—The chemical analysis of the lime-
stoneshallbeconductedinaccordancewithTestMethodsC25,
2. Referenced Documents
2 C1271,or C1301.
2.1 ASTM Standards:
5.2 Particle Size—The sieve analysis of limestone shall be
C25 Test Methods for Chemical Analysis of Limestone,
conducted in accordance with Test Methods C110.
Quicklime, and Hydrated Lime
C50 Practice for Sampling, Sample Preparation, Packaging,
6. General Requirements
and Marking of Lime and Limestone Products
6.1 Either high calcium or dolomitic limestone may be
C110 Test Methods for Physical Testing of Quicklime,
furnished for this application.
Hydrated Lime, and Limestone
7. Sampling, Inspectio
...

This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation: C737 − 08 C737 − 13
Standard Specification for
1
Limestone for Dusting of Coal Mines
This standard is issued under the fixed designation C737; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope*
1.1 This specification covers limestone suitable for use as dust in coal mines to prevent 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.
1.2 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.
1.3 The values stated in inch-pound units are to be regarded as standard. No other units of measurement are included in this
standard.
2. Referenced Documents
2
2.1 ASTM Standards:
C25 Test Methods for Chemical Analysis of Limestone, Quicklime, and Hydrated Lime
C50 Practice for Sampling, Sample Preparation, Packaging, and Marking of Lime and Limestone Products
C110 Test Methods for Physical Testing of Quicklime, Hydrated Lime, and Limestone
C1271 Test Method for X-ray Spectrometric Analysis of Lime and Limestone
C1301 Test Method for Major and Trace Elements in Limestone and Lime by Inductively Coupled Plasma-Atomic Emission
Spectroscopy (ICP) and Atomic Absorption (AA)
3. Chemical Composition
3.1 Limestone shall conform to the following as to chemical composition:
COLSPEC/colnum="1"
Moisture (at point of manufacture), max, % 0.5
Silica, free and combined, max, % 4.0
4. Physical Properties
4.1 Limestone for this application shall have the following particle size:
Passing a No. 20 (850-μm) sieve, min, % 100
Passing a No. 200 (75-μm) sieve, min, % 70
Passing 850 μm (No. 20) sieve, min, % 100
Passing 75 μm (No. 200) sieve, min, % 70
5. Test Methods
5.1 Chemical Analysis—The chemical analysis of the limestone shall be conducted in accordance with Test Methods C25,
C1271, or C1301.
5.2 Particle Size—The sie
...