The Registry of Toxic Effects of Chemical Substances

Plaster of paris

RTECS #: TP0700000

CAS #: 26499-65-0

UPDATE: December 1998 MW: 145.15 MF: O4S•Ca•1/2H2O


NOTE:

TABLE OF CONTENTS:
  1. SYNONYMS:
  2. STANDARDS AND REGULATIONS:
  3. NIOSH DOCUMENTATION AND SURVEILLANCE:
  4. REFERENCES:

SYNONYMS:

  1. Crystacal
  2. Densite
  3. Densite (gypsum)
  4. FGR
  5. Gypsum hemihydrate
  1. Hemihydrate gypsum
  2. Plaster of paris (ACGIH:OSHA)
  3. Plaster of Paris (Ca (SO4) .1/2H2O) (9CI)
  4. TA 20


SKIN AND EYE IRRITATION DATA AND REFERENCES:

ROUTE/
ORGANISM 		DOSE
EFFECT

 REFERENCE
N/R
 N/R N/R N/R


MUTATION DATA AND REFERENCES:

SYSTEM TEST ROUTE/
ORGANISM/
TISSUE 		DOSE REFERENCE
N/R N/R N/R N/R


REPRODUCTIVE EFFECTS DATA AND REFERENCES:

ROUTE/
ORGANISM 		DOSE
EFFECT

 REFERENCE
N/R
 N/R N/R N/R


TUMORIGENIC DATA AND REFERENCES:

ROUTE/
ORGANISM 		DOSE
EFFECT

 REFERENCE
N/R
 N/R N/R N/R


ACUTE TOXICITY DATA AND REFERENCES:

ROUTE/
ORGANISM 		DOSE
EFFECT

 REFERENCE
N/R
 N/R N/R N/R


OTHER MULTIPLE DOSE DATA AND REFERENCES:

ROUTE/
ORGANISM 		DOSE
EFFECT

 REFERENCE
N/R
 N/R N/R N/R


REVIEWS:

ORGANIZATION STANDARD
REFERENCE
N/R N/R N/R


STANDARDS AND REGULATIONS:

ORGANIZATION STANDARD
REFERENCE
Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (General Industry) 8 hour time-weighted average 15 mg/m3, total dust CFRGBR 29,1910.1000,1994
Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (General Industry) 8 hour time-weighted average 5 mg/m3, respirable fraction CFRGBR 29,1910.1000,1994
Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (Construction) 8 hour time-weighted average 15 mg/m3, total dust CFRGBR 29,1926.55,1994
Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (Construction) 8 hour time-weighted average 5 mg/m3, respirable fraction CFRGBR 29,1926.55,1994
Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (Shipyards) 8 hour time-weighted average 15 mg/m3, total dust CFRGBR 29,1915.1000,1993
Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (Shipyards) 8 hour time-weighted average 5 mg/m3, respirable fraction CFRGBR 29,1915.1000,1993


NIOSH DOCUMENTATION AND SURVEILLANCE:

ORGANIZATION STANDARD or SURVEY
REFERENCE
National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Level TO PLASTER OF PARIS, resp. fraction-air 10 hour time-weighted average 5 mg/m3 NIOSH* DHHS #92-100,1992
National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Level TO PLASTER OF PARIS, total dust-air 10 hour time-weighted average 10 mg/m3 NIOSH* DHHS #92-100,1992
National Occupational Hazard Survey 1974 National Occupational Hazard Survey 1974: Hazard Code: M4257;
Number of Industries 68;
Total Number of Facilities 11,334;
Number of Occupations 61;
Total Number of Employees Exposed 192,121
National Occupational Exposure Survey 1983 National Occupational Exposure Survey 1983: Hazard Code: 60122;
Number of Industries 21;
Total Number of Facilities 2,201;
Number of Occupations 28;
Total Number of Employees Exposed 60,066;
Total Number of Female Employees Exposed 7,948


STATUS IN FEDERAL AGENCIES:

ORGANIZATION
REFERENCE
N/R


REFERENCES:

CODEN
REFERENCE
CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402)
NIOSH* National Institute of Occupational Safety and Health, U.S. Dept. of Health, Education, and Welfare, Reports and Memoranda.

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