Coal dust
Synonyms & Trade Names
Anthracite coal dust, Bituminous coal dust, Coal mine dust, Lignite coal dust
Exposure Limits
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)
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.] See Appendix G
Measurement Methods
Physical Description
Dark-brown to black solid dispersed in air.
Molecular Weight
Properties vary depending upon the specific coal type.
Combustible Solid; slightly explosive when exposed to flame.
Incompatibilities & Reactivities
None reported
Exposure Routes
inhalation
Symptoms
Chronic bronchitis, decreased pulmonary function, emphysema
Target Organs
respiratory system
Personal Protection/Sanitation
(See protection codes)
Skin:No recommendation
Eyes:No recommendation
Wash skin:No recommendation
Remove:No recommendation
Change:No recommendation
Skin:No recommendation
Eyes:No recommendation
Wash skin:No recommendation
Remove:No recommendation
Change:No recommendation
First Aid
Respirator Recommendations
Not available.
See also
INTRODUCTION
MEDICAL TESTS: 0053
Page last reviewed: October 30, 2019
Content
source: National Institute for Occupational Safety and Health