*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : OP0900000
CHEMICAL NAME           : Manganese(II) oxide
CAS REGISTRY NUMBER     : 1344-43-0
LAST UPDATED            : 199712
DATA ITEMS CITED        : 26
MOLECULAR FORMULA       : Mn-O
MOLECULAR WEIGHT        : 70.94
WISWESSER LINE NOTATION : .MN..O
SYNONYMS/TRADE NAMES :
   * Cassel Green
   * C.I. 77726
   * Manganese Green
   * Manganese monooxide
   * Manganese monoxide
   * Manganous oxide
   * NU-Manese
   * Rosensthiel
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD - Lethal dose
ROUTE OF EXPOSURE       : Intratracheal
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : >50 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   GISAAA Gigiena i Sanitariya.  For English translation, see HYSAAV.  (V/O
   Mezhdunarodnaya Kniga, 113095 Moscow, USSR)  V.1-    1936-
   Volume(issue)/page/year: 20(1),25,1955
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 1 gm/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   ZVKOA6 Zhurnal Vsesoyuznogo Khimicheskogo Obshchestva im. D.I. Mendeleeva.
   Journal of the D.I. Mendeleeva All-Union Chemical Society.  (V/O
   Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.5-    1960-
   Volume(issue)/page/year: 19,186,1974
 
                 ** OTHER MULTIPLE DOSE TOXICITY DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Primate - monkey
DOSE/DURATION           : 2 gm/kg/22W-I
TOXIC EFFECTS :
   Brain and Coverings - other degenerative changes
   Biochemical - Neurotransmitters or modulators (putative) - catecholamine
   levels in CNS
   Biochemical - Neurotransmitters or modulators (putative) - dopamine in
   striatum
REFERENCE :
   ARTODN Archives of Toxicology.  (Springer-Verlag, Heidelberger Pl. 3, D-1000
   Berlin 33, Fed. Rep. Ger.)  V.32-    1974-  Volume(issue)/page/year:
   61,46,1987

                              *** REVIEWS ***
 
   ACGIH TLV-TWA 0.2 mg(Mn)/m3
   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

                    *** U.S. STANDARDS AND REGULATIONS ***
 
   MSHA STANDARD-air:CL 5 mg(Mn)/m3
   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:
   3,149,1971

   OSHA PEL (Gen Indu):CL 5 mg(Mn)/m3
   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):CL 5 mg(Mn)/m3
   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):CL 5 mg(Mn)/m3
   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 (Fed Cont):CL 5 mg(Mn)/m3
   CFRGBR Code of Federal Regulations.  (U.S. Government Printing Office, Supt.
   of Documents, Washington, DC 20402)  Volume(issue)/page/year:
   41,50-204.50,1994

                    *** OCCUPATIONAL EXPOSURE LIMITS ***
 
   OEL-AUSTRALIA:TWA 5 mg(Mn)/m3 JAN 1993
   
   OEL-BELGIUM:TWA 5 mg(Mn)/m3 JAN 1993
   
   OEL-DENMARK:TWA 2.5 mg(Mn)/m3 JAN 1993
   
   OEL-FINLAND:TWA 2.5 mg(Mn)/m3 JAN 1993
   
   OEL-HUNGARY:TWA 0.3 mg(Mn)/m3;STEL 0.6 mg(Mn)/m3 JAN 1993
   
   OEL-JAPAN:TWA 0.3 mg(Mn)/m3 JAN 1993
   
   OEL-THE NETHERLANDS:TWA 1 mg(Mn)/m3 JAN 1993
   
   OEL-POLAND:TWA 0.3 mg(Mn)/m3 JAN 1993
   
   OEL-SWEDEN:TWA 1 mg(Mn)/m3;STEL 2.5 mg(Mn)/m3  (resp. dust) JAN 1993
   
   OEL-SWEDEN:TWA 2.5 mg(Mn)/m3;STEL 5 mg(Mn)/m3  (total dust) JAN 1993
   
   OEL-UNITED KINGDOM:TWA 5 mg(Mn)/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 OCCUPATIONAL EXPOSURE SURVEY DATA :
   NOHS - National Occupational Hazard Survey (1974)
     NOHS Hazard Code - M1634
       No. of Facilities: 132 (estimated)
       No. of Industries: 2
       No. of Occupations: 3
       No. of Employees: 976 (estimated)
   
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - M1634
       No. of Facilities: 3555 (estimated)
       No. of Industries: 43
       No. of Occupations: 37
       No. of Employees: 60942 (estimated)
       No. of Female Employees: 7742 (estimated)

                          *** STATUS IN U.S. ***
 
   EPA TSCA Section 8(b) CHEMICAL INVENTORY
   
   EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998

 
                            *** END OF RECORD ***