Calcium carbonate
RTECS #
EV9580000
CAS #
Updated
July 2013
Molecular Weight
100.09
Molecular Formula
CO3·Ca
Synonyms
Agricultural limestone
Agstone
Bell mine pulverized limestone
Calcium carbonate (ACGIH:OSHA)
Calcium carbonate, dust
Chalk
Domolite
Franklin
Limestone (OSHA)
Lithograpic stone
Marble (OSHA)
Natural calcium carbonate
Portland stone
Sohnhofen stone
Agstone
Bell mine pulverized limestone
Calcium carbonate (ACGIH:OSHA)
Calcium carbonate, dust
Chalk
Domolite
Franklin
Limestone (OSHA)
Lithograpic stone
Marble (OSHA)
Natural calcium carbonate
Portland stone
Sohnhofen stone
Acute Toxicity Data and References
| Route/Organism | Dose | Effect | Reference |
|---|---|---|---|
| intravenous/rat | lowest published toxic dose: 30 mg/kg | Vascular: BP lowering not characterized in autonomic section Lung, Thorax, or Respiration: Changes in lung weight Blood: Other changes | TOXID9 -,189,2009 |
Other Multiple Dose Data and References
| Route/Organism | Dose | Effect | Reference |
|---|---|---|---|
| inhalation/rat | lowest published toxic concentration: 84 mg/m3/4H/40W- intermittent | Lung, Thorax, or Respiration: Fibrosis (interstitial) Liver: Other changes Kidney, Ureter, and Bladder: Other changes | VCVN1* -,114,1988 |
| inhalation/rat | lowest published toxic concentration: 250 mg/m3/2H/24W- intermittent | Lung, Thorax, or Respiration: Fibrosis, focal (pneumoconiosis) | VCVN1* -,115,1988 |
Reviews
| Organization | Standard | Reference |
|---|---|---|
| TOXICOLOGY REVIEW | BPCEM* 17,237,2003 | |
| TOXICOLOGY REVIEW | BPRCG* 21,849,2007 |
Standards and Regulations
| Organization | Standard | Reference |
|---|---|---|
| Mine Safety and Health Administration (MSHA) STANDARD | NUISANCE PARTICULATES | DTLWS* 3,12,1973 |
| Occupational Exposure Limit IN ARGENTINA, BULGARIA, COLOMBIA, JORDAN check ACGIH TLV; | ||
| Occupational Exposure Limit IN SINGAPORE, VIETNAM check ACGIH TLV | ||
| Occupational Exposure Limit-BELGIUM | time-weighted average 10 mg/m3, MAR2002 | |
| Occupational Exposure Limit-HUNGARY | time-weighted average 10 mg/m3, SEP2000 | |
| Occupational Exposure Limit-JAPAN | Occupational Exposure Limit 2 mg/m3 (resp. dust), 84 mg/m3 (total dust), MAY2012 | |
| Occupational Exposure Limit-KOREA | time-weighted average 10 mg/m3, 2006 | |
| Occupational Exposure Limit-MEXICO | time-weighted average 10 mg/m3;short term exposure limit 20 mg/m3 (inhalable), 2004 | |
| Occupational Exposure Limit-NEW ZEALAND | time-weighted average 10 mg/m3 (inspirable dust), JAN2002 | |
| Occupational Exposure Limit-POLAND | MAC(time-weighted average) dust 10 mg/m3, JAN1999 | |
| Occupational Exposure Limit-RUSSIA | short term exposure limit 6 mg/m3, JUN2003 | |
| Occupational Exposure Limit-SWITZERLAND | MAK-week 3 mg/m3, resp, JAN2011 | |
| Occupational Exposure Limit-THE NETHERLANDS | MAC-TGG 10 mg/m3, 2003 | |
| Occupational Exposure Limit-UNITED KINGDOM | time-weighted average 10 mg/m3 (inhal. dust), OCT2007 | |
| Occupational Exposure Limit-UNITED KINGDOM | time-weighted average 4 mg/m3 (resp. dust), OCT2007 | |
| Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (Construction) | 8H time-weighted average 15 mg/m3, total dust | CFRGBR 29,1926.55,1994 |
| Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (Construction) | 8H time-weighted average 5 mg/m3, respirable fraction | CFRGBR 29,1926.55,1994 |
| Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (General Industry) | 8H time-weighted average 15 mg/m3, total dust | CFRGBR 29,1910.1000,1994 |
| Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (General Industry) | 8H time-weighted average 5 mg/m3, respirable fraction | CFRGBR 29,1910.1000,1994 |
| Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (Shipyards) | 8H time-weighted average 15 mg/m3, total dust | CFRGBR 29,1915.1000,1993 |
| Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (Shipyards) | 8H time-weighted average 5 mg/m3, respirable fraction | CFRGBR 29,1915.1000,1993 |
NIOSH Documentation and Surveillance
| Organization | Standard | Reference |
|---|---|---|
| National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Level TO CALCIUM CARBONATE, respirable-air | 10H time-weighted average 5 mg/m3 | NIOSH* DHHS #95-121,1995 |
| National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Level TO CALCIUM CARBONATE, total dust-air | 10H time-weighted average 10 mg/m3 | NIOSH* DHHS #95-121,1995 |
| National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Level TO LIMESTONE, respirable fraction-air | 10H time-weighted average 5 mg/m3 | NIOSH* DHHS #92-100,1992 |
| National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Level TO LIMESTONE, total dust-air | 10H time-weighted average 10 mg/m3 | NIOSH* DHHS #92-100,1992 |
| National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Level TO MARBLE, respirable fraction-air | 10H time-weighted average 5 mg/m3 | NIOSH* DHHS #92-100,1992 |
| National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Level TO MARBLE, total dust-air | 10H time-weighted average 10 mg/m3 | NIOSH* DHHS #92-100,1992 |
| National Occupational Exposure Survey 1983 | Hazard Code M1525; Number of Industries 164; Total Number of Facilities 31577; Number of Occupations 138; Total Number of Employees Exposed 533341; Total Number of Female Employees Exposed 36245 | |
| National Occupational Exposure Survey 1983 | Hazard Code X3265; Number of Industries 51; Total Number of Facilities 4765; Number of Occupations 57; Total Number of Employees Exposed 79861; Total Number of Female Employees Exposed 4247 | |
| National Occupational Hazard Survey 1974 | Hazard Code M1525; Number of Industries 76; Total Number of Facilities 9388; Number of Occupations 85; Total Number of Employees Exposed 135016 |
Status in Federal Agencies
| Organization | Reference |
|---|---|
| EPA TSCA Section 8(b) CHEMICAL INVENTORY | |
| EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JANUARY 2001 |
Page last reviewed: November 16, 2018
Content
source: National Institute for Occupational Safety and Health