*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : OG1750000 CHEMICAL NAME : Lead monoxide CAS REGISTRY NUMBER : 1317-36-8 LAST UPDATED : 199712 DATA ITEMS CITED : 33 MOLECULAR FORMULA : O-Pb MOLECULAR WEIGHT : 223.19 WISWESSER LINE NOTATION : PB O COMPOUND DESCRIPTOR : Tumorigen Mutagen Primary Irritant SYNONYMS/TRADE NAMES : * C.I. 77577 * C.I. Pigment Yellow 46 * Lead monooxide * Lead oxide * Lead Oxide Yellow * Lead protoxide * Lead(II) oxide * Litharge * Litharge Pure * Litharge Yellow L-28 * Plumbous oxide * Yellow Lead Ocher *** HEALTH HAZARD DATA *** ** SKIN/EYE IRRITATION DATA ** TYPE OF TEST : Standard Draize test ROUTE OF EXPOSURE : Administration onto the skin SPECIES OBSERVED : Rodent - rabbit DOSE/DURATION : 100 mg/24H REACTION SEVERITY : Mild REFERENCE : AEHLAU Archives of Environmental Health. (Heldref Pub., 4000 Albemarle St., NW, Washington, DC 20016) V.1- 1960- Volume(issue)/page/year: 30,168,1975 ** ACUTE TOXICITY DATA ** TYPE OF TEST : LDLo - Lowest published lethal dose ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 430 mg/kg TOXIC EFFECTS : Blood - other changes REFERENCE : INMEAF Industrial Medicine. (Chicago, IL) V.1-18, 1932-49. For publisher information, see IOHSA5. Volume(issue)/page/year: 10,15,1941 TYPE OF TEST : LDLo - Lowest published lethal dose ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Mammal - dog DOSE/DURATION : 1400 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : HBAMAK "Abdernalden's Handbuch der Biologischen Arbeitsmethoden." (Leipzig, Ger. Dem. Rep.) Volume(issue)/page/year: 4,1289,1935 ** OTHER MULTIPLE DOSE TOXICITY DATA ** TYPE OF TEST : TCLo - Lowest published toxic concentration ROUTE OF EXPOSURE : Inhalation SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 10 ug/m3/24H/22W-C TOXIC EFFECTS : Brain and Coverings - recordings from specific areas of CNS Blood - changes in bone marrow (not otherwise specified) Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - true cholinesterase REFERENCE : GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 43(6),96,1978 ** MUTATION DATA ** TYPE OF TEST : Morphological transformation TEST SYSTEM : Rodent - hamster Embryo DOSE/DURATION : 50 umol/L REFERENCE : CNREA8 Cancer Research. (Public Ledger Building, Suit 816, 6th & Chestnut Sts., Philadelphia, PA 19106) V.1- 1941- Volume(issue)/page/year: 39,193,1979 *** REVIEWS *** ACGIH TLV-TWA 0.05 mg(Pb)/m3; animal carcinogen DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: TLV/BEI,1997 IARC Cancer Review:Animal Inadequate Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 23,325,1980 TOXICOLOGY REVIEW 85DHAX "Medical and Biologic Effects of Environmental Pollutants Series," Washington, DC, National Academy of Sciences, 1972-77 Volume(issue)/page/year: Pb,254,1972 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-ARAB Republic of Egypt:TWA 0.05 mg(Pb)/m3 JAN 1993 OEL-AUSTRALIA:TWA 0.15 mg(Pb)/m3 JAN 1993 OEL-AUSTRIA:TWA 0.1 mg(Pb)/m3 JAN 1993 OEL-BELGIUM:TWA 0.15 mg(Pb)/m3 JAN 1993 OEL-DENMARK:TWA 0.1 mg(Pb)/m3 JAN 1993 OEL-FINLAND:TWA 0.1 mg(Pb)/m3 JAN 1993 OEL-FRANCE:TWA 0.15 mg(Pb)/m3 JAN 1993 OEL-GERMANY:TWA 0.1 mg(Pb)/m3 JAN 1993 OEL-HUNGARY:STEL 0.04 mg(Pb)/m3;Carcinogen JAN 1993 OEL-THE PHILIPPINES:TWA 0.15 mg(Pb)/m3 JAN 1993 OEL-RUSSIA:STEL 0.005 ppm (0.01 mg(Pb)/m3) JAN 1993 OEL-SWEDEN:TWA 0.05 mg(Pb)/m3 (resp. dust) JAN 1993 OEL-SWEDEN:TWA 0.1 mg(Pb)/m3 (total dust) JAN 1993 OEL-SWITZERLAND:TWA 0.1 mg(Pb)/m3 JAN 1993 OEL-THAILAND:TWA 0.2 mg(Pb)/m3 JAN 1993 OEL-TURKEY:TWA 0.2 mg(Pb)/m3 JAN 1993 OEL-UNITED KINGDOM:TWA 0.15 mg(Pb)/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 LEAD, INORGANIC-air:10H TWA <0.1 mg(Pb)/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 - M0125 No. of Facilities: 1613 (estimated) No. of Industries: 35 No. of Occupations: 37 No. of Employees: 23488 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - M0125 No. of Facilities: 2531 (estimated) No. of Industries: 40 No. of Occupations: 47 No. of Employees: 59832 (estimated) No. of Female Employees: 19722 (estimated) *** STATUS IN U.S. *** EPA GENETOX PROGRAM 1988, Positive: Cell transform.-SA7/SHE EPA TSCA Section 8(b) CHEMICAL INVENTORY NIOSH Analytical Method, 1994: Lead, by flame AAS, 7082; or by HGAAS, 7105 *** END OF RECORD ***