Coal dust
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CAS
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RTECS GF8281000
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Synonyms & Trade Names
Anthracite coal dust, Bituminous coal dust, Lignite coal dust
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DOT ID & Guide
1361 133
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Exposure
Limits
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NIOSH REL: TWA 1 mg/m3 [measured according to MSHA method (CPSU)]
TWA 0.9 mg/m3 [measured according to ISO/CEN/ACGIH criteria]
See Appendix C (Coal Dust and Coal Mine Dust)
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OSHA PEL†: TWA 2.4 mg/m3 [respirable, < 5% SiO2]
TWA (10 mg/m3)/(%SiO2 + 2) [respirable, > 5% SiO2]
See Appendix C (Mineral Dusts)
[Note: The Mine Safety and Health Administration (MSHA) PEL for respirable coal mine dust with
< 5% silica is 2.0 mg/m3, or (10 mg/m3) / (% respirable quartz + 2) for coal dust with > 5% silica.]
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IDLH
N.D.
See: IDLH INDEX
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Conversion
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Physical Description
Dark-brown to black solid dispersed in air.
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Properties vary depending upon the specific coal type.
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Combustible Solid; slightly explosive when exposed to flame.
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Incompatibilities & Reactivities
None reported
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Measurement Methods
NIOSH 0600, 7500
See: NMAM or OSHA Methods
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Personal Protection & Sanitation (See protection codes)
Skin: No recommendation
Eyes: No recommendation
Wash skin: No recommendation
Remove: No recommendation
Change: No recommendation
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First Aid (See procedures)
Breathing: Fresh air
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Respirator Recommendations
Not available.
Important additional information about respirator selection
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Exposure Routes
inhalation
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Symptoms
Chronic bronchitis, decreased pulmonary function, emphysema
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Target Organs
respiratory system
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