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Chemical Sampling Information |
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| Marble (Total Dust) |
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General Description
Exposure Limits
OSHA Permissible Exposure Limit (PEL) for General Industry: 29 CFR 1910.1000 Z-1 Table -- 15 mg/m3 TWA
OSHA Permissible Exposure Limit (PEL) for Maritime: 29 CFR 1915.1000 Table Z-Shipyards -- 15 mg/m3 TWA
American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value (TLV): 10 mg/m3 TWA; The value is for particulate matter containing no asbestos and <1% crystalline silica. (TLV listed under Calcium Carbonate)
National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Limit (REL): 10 mg/m3 TWA
Health Factors
Potential symptoms: Irritation of eyes, skin, mucous membranes, upper respiratory system; cough, sneezing, rhinorrhea (discharge of thin mucous); lacrimation (discharge of tears).
Health Effects: Nuisance particulates accumulation in lungs (HE19)
Affected organs: Eyes, skin, respiratory system
Note: A recent report on marble quarrying in Italy stated that "workers, particularly older ones, are affected by chronic obstructive respiratory diseases," but did not provide any data or citations to the literature.
Date Last Revised: 09/28/2005
Literature Basis:
- NIOSH Pocket Guide to Chemical Hazards: Marble.
- International Chemical Safety Cards (WHO/IPCS/ILO): Calcium carbonate.
- Angotzi, G., et al.: World at work: marble quarrying in Tuscany. Occup. Environ. Med. 62(6): 417-421, 2005.
- Pohanish, R.P. (editor): Calcium Carbonate. In, Sittig's Handbook of Toxic and Hazardous Chemicals and Carcinogens, Fourth Ed., Vol. 1. Norwich, NY: Noyes Publications, William Andrew Publishing, 2002, pp. 453-454.
Monitoring Methods used by OSHA
Laboratory Sampling/Analytical Method:
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Page last updated: 04/06/2006
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