Gypsum
RTECS #
MG2360000
CAS #
Updated
September 2013
Molecular Weight
172.18
Molecular Formula
O4S·Ca·2H2O
Synonyms
GIPS
Gypsite
Gypsum (OSHA)
Gypsum stone
Landplaster
Phosphogypsum
Gypsite
Gypsum (OSHA)
Gypsum stone
Landplaster
Phosphogypsum
Tumorigenic Data and References
| Route/Organism | Dose | Effect | Reference |
|---|---|---|---|
| intraperitoneal/rat | lowest published toxic dose: 450 mg/kg/3W- intermittent | Tumorigenic: Carcinogenic by RTECS criteria Tumorigenic: Tumors at site of application | ZHPMAT 162,467,1976 |
Acute Toxicity Data and References
| Route/Organism | Dose | Effect | Reference |
|---|---|---|---|
| inhalation/human | lowest published toxic concentration: 194 gm/m3/10Y- intermittent | Olfaction: Other olfaction effects Lung, Thorax, or Respiration: Fibrosing alveolitis Lung, Thorax, or Respiration: Other changes | GTPZAB 11(10),23,1967 |
Reviews
| Organization | Standard | Reference |
|---|---|---|
| American Conference of Governmental Industrial Hygienists (ACGIH) | Threshold Limit Value-time-weighted average 10 mg/m3 | DTLVS* TLV/BEI,2013 |
Standards and Regulations
| Organization | Standard | Reference |
|---|---|---|
| Occupational Exposure Limit IN ARGENTINA, BULGARIA, COLOMBIA, JORDAN check ACGIH TLV; | ||
| Occupational Exposure Limit IN SINGAPORE, VIETNAM check ACGIH TLV | ||
| Occupational Exposure Limit-FRANCE | VME 10 mg/m3, FEB2006 | |
| Occupational Exposure Limit-GERMANY | MAK 1.5 mg/m3 (resp.), 2011 | |
| Occupational Exposure Limit-GERMANY | MAK 4 mg/m3 (inhal.), 2011 | |
| 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, 2004 | |
| 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 GYPSUM, 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 GYPSUM, total dust-air | 10H time-weighted average 10 mg/m3 | NIOSH* DHHS #92-100,1992 |
| National Occupational Exposure Survey 1983 | Hazard Code X6990; Number of Industries 10; Total Number of Facilities 883; Number of Occupations 13; Total Number of Employees Exposed 7865; Total Number of Female Employees Exposed 1279 | |
| National Occupational Exposure Survey 1983 | Hazard Code 90980; Number of Industries 43; Total Number of Facilities 8667; Number of Occupations 53; Total Number of Employees Exposed 134487; Total Number of Female Employees Exposed 2851 | |
| National Occupational Hazard Survey 1974 | Hazard Code 90980; Number of Industries 40; Total Number of Facilities 5045; Number of Occupations 73; Total Number of Employees Exposed 137347 |
Status in Federal Agencies
| Organization | Reference |
|---|---|
| EPA TSCA Section 8(d) unpublished health/safety studies | |
| EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JANUARY 2001 |
Page last reviewed: November 16, 2018
Content
source: National Institute for Occupational Safety and Health