*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : MG2360000 CHEMICAL NAME : Gypsum CAS REGISTRY NUMBER : 13397-24-5 LAST UPDATED : 199710 DATA ITEMS CITED : 19 MOLECULAR FORMULA : O4-S.Ca.2H2-O MOLECULAR WEIGHT : 172.18 COMPOUND DESCRIPTOR : Tumorigen Human SYNONYMS/TRADE NAMES : * GIPS * Gypsite * Gypsum * Gypsum stone * Landplaster * Phosphogypsum *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : TCLo - Lowest published toxic concentration ROUTE OF EXPOSURE : Inhalation SPECIES OBSERVED : Human DOSE/DURATION : 194 gm/m3/10Y-I TOXIC EFFECTS : Sense Organs and Special Senses (Olfaction) - effect, not otherwise specified Lungs, Thorax, or Respiration - fibrosing alveolitis Lungs, Thorax, or Respiration - other changes REFERENCE : GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 11(10),23,1967 ** TUMORIGENIC DATA ** TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 450 mg/kg/3W-I TOXIC EFFECTS : Tumorigenic - Carcinogenic by RTECS criteria Tumorigenic - tumors at site of application REFERENCE : ZHPMAT Zentralblatt fuer Bakteriologie, Parasitenkunde, Infektionskrankheiten und Hygiene, Abteilung 1: Originale, Reihe B: Hygiene, Krankenhaushygiene, Betriebshygiene, Praeventive Medizin. (Stuttgart, Fed. Rep. Ger.) V.155-169, 1971-1979. For publisher information, see ZAOMDC. Volume(issue)/page/year: 162,467,1976 *** U.S. STANDARDS AND REGULATIONS *** OSHA PEL (Gen Indu):8H TWA 15 mg/m3, total dust CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1910.1000,1994 OSHA PEL (Gen Indu):8H TWA 5 mg/m3, respirable fraction CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1910.1000,1994 OSHA PEL (Construc):8H TWA 15 mg/m3, total dust CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1926.55,1994 OSHA PEL (Construc):8H TWA 5 mg/m3, respirable fraction CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1926.55,1994 OSHA PEL (Shipyard):8H TWA 15 mg/m3, total dust CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1915.1000,1993 OSHA PEL (Shipyard):8H TWA 5 mg/m3, respirable fraction CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1915.1000,1993 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-FRANCE:TWA 10 mg/m3 JAN 1993 OEL-UNITED KINGDOM:TWA 10 mg/m3 JAN 1993 OEL IN BULGARIA, COLOMBIA, JORDAN, KOREA check ACGIH TLV OEL IN NEW ZEALAND, SINGAPORE, VIETNAM check ACGIH TLV *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH RECOMMENDED EXPOSURE LEVEL (REL) : NIOSH REL TO GYPSUM, respirable fraction-air:10H TWA 5 mg/m3 REFERENCE : NIOSH* National Institute for Occupational Safety and Health, U.S. Dept. of Health, Education, and Welfare, Reports and Memoranda. Volume(issue)/page/year: DHHS #92-100,1992 NIOSH RECOMMENDED EXPOSURE LEVEL (REL) : NIOSH REL TO GYPSUM, total dust-air:10H TWA 10 mg/m3 REFERENCE : NIOSH* National Institute for Occupational Safety and Health, U.S. Dept. of Health, Education, and Welfare, Reports and Memoranda. Volume(issue)/page/year: DHHS #92-100,1992 NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 90980 No. of Facilities: 5045 (estimated) No. of Industries: 40 No. of Occupations: 73 No. of Employees: 137347 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X6990 No. of Facilities: 883 (estimated) No. of Industries: 10 No. of Occupations: 13 No. of Employees: 7865 (estimated) No. of Female Employees: 1279 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 90980 No. of Facilities: 8667 (estimated) No. of Industries: 43 No. of Occupations: 53 No. of Employees: 134487 (estimated) No. of Female Employees: 2851 (estimated) *** STATUS IN U.S. *** EPA TSCA Section 8(d) unpublished health/safety studies EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998 *** END OF RECORD ***