COAL DUST (≥5% SiO₂), Respirable Fraction†
| CAS # | NO CAS |
|---|---|
| Formula |
No formula |
| Synonyms |
anthracite coal dust; bituminous coal dust; lignite coal dust |
| Physical description | Dark-brown to black solid dispersed in air. | ||
|---|---|---|---|
| Boiling point | Molecular weight | varies | |
| Freezing point/melting point | Vapor pressure | depends upon the specific compound | |
| Flash point | Vapor density | ||
| Specific gravity | Ionization potential | ||
| Lower explosive limit (LEL) | Upper explosive limit (UEL) | ||
| NFPA health rating | NFPA fire rating | ||
| NFPA reactivity rating | NFPA special instruction | ||
| Vapor hazard ratio (VHR) | |||
| Historical exceedance percentage | |||
| Target organs | |||
| Analyte code (IMIS no.) | |||
|---|---|---|---|
| Sampling group | |||
| Sampler/Sampling media | |||
| Sampling time* | |||
| Sampling volume (TWA)* | |||
| Sampling flow rate (TWA)* | |||
| Sampling volume (STEL/Peak/C)* | |||
| Sampling flow rate (STEL/Peak/C)* | |||
| Analytical method instruments | |||
| Method reference | |||
| Notes | See SILICA, CRYSTALLINE, MIXED RESPIRABLE (QUARTZ, CRISTOBALITE, TRIDYMITE) |
||
| Special requirements |
* All sampling instructions above are recommended guidelines for OSHA Compliance Safety and Health Officers (CSHOs), please see the corresponding OSHA method reference for complete details.
| Wipe Sampler/Sampling media | |
|---|---|
| Bulk Method |
| Device | |||||
|---|---|---|---|---|---|
| Model/Type | |||||
|
Sampling information (see manufacturer instructions) |
|
OSHA PEL
8-hour TWA (ST) STEL (C) Ceiling Peak |
NIOSH REL
Up to 10-hour TWA (ST) STEL (C) Ceiling |
ACGIH TLV©
8-hour TWA (ST) STEL (C) Ceiling |
|||||
|---|---|---|---|---|---|---|---|
| PEL-TWA |
10 mg/m³/% SiO₂+ 2 (resp) |
REL-TWA |
1 mg/m³ [measured according to MSHA method (CPSU)], 0.9 mg/m³ [measured according to ISO/CEN/ACGIH criteria] |
TLV-TWA |
Anthracite: 0.4 mg/m³ (respirable fraction), Bituminous of Lignite: 0.9 mg/m³ (respirable fraction) [1995] |
PEL-TWA |
0.1 mg/m³ (resp) |
| PEL-STEL | REL-STEL | TLV-STEL | PEL-STEL | ||||
| PEL-C | REL-C | TLV-C | PEL-C | ||||
| Skin notation |
N |
Skin notation |
N |
Skin notation |
N |
Skin notation |
N |
| Notes: |
Notes:
See Appendix C, Supplementary Exposure Limits (Coal Dust and Coal Mine Dust). |
Notes: |
Notes:
See footnote [n] |
||||
| Health factors: See NIH-NLM PubChem. | IDLH | ||||||
| Carcinogenic classifications: IARC3, TLV-A4 | Notes: | ||||||
| AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3: | |||||||
Additional Resources and Literature References
|
NOAA: CAMEO Chemicals - Not Listed NIOSH: Pocket Guide to Chemical Hazards - Coal dust Literature References
|
Last Updated Date : 01/29/2021