*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : HX7650000
CHEMICAL NAME           : Dichromic acid, diammonium salt
CAS REGISTRY NUMBER     : 7789-09-5
LAST UPDATED            : 199712
DATA ITEMS CITED        : 18
MOLECULAR FORMULA       : Cr2-H2-O7.2H3-N
MOLECULAR WEIGHT        : 252.10
WISWESSER LINE NOTATION :  Z&2 CR2-O7
COMPOUND DESCRIPTOR     : Tumorigen
                          Mutagen
                          Human
SYNONYMS/TRADE NAMES :
   * Ammonio (bicromato di)
   * Ammonio (dicromato di)
   * Ammoniumbichromaat
   * Ammoniumdichromat
   * Ammonium bichromate
   * Ammoniumdichromaat
   * Ammonium dichromate
   * Ammonium (dichromate d')
   * Ammonium dichromate (VI)
   * Bichromate d'ammonium
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Human - child
DOSE/DURATION           : 99 mg/kg
TOXIC EFFECTS :
   Gastrointestinal - other changes
   Kidney, Ureter, Bladder - changes in tubules (including acute renal failure,
   acute tubular necrosis)
   Blood - change in clotting factors
REFERENCE :
   AEMED3 Annals of Emergency Medicine.  (American College of Emergency
   Physicians, 1125 Executive Circle, Irving, TX 75038)
   Volume(issue)/page/year: 24,748,1994
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - guinea pig
DOSE/DURATION           : 25 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   EQSSDX Environmental Quality and Safety, Supplement.  (Stuttgart, Fed. Rep.
   Ger.)  V.1-5, 1975-76. Discontinued.  Volume(issue)/page/year: 1,1,1975
 
                            ** MUTATION DATA **
 
TYPE OF TEST            : DNA repair
TEST SYSTEM             : Bacteria - Salmonella typhimurium
DOSE/DURATION           : 50 mmol/L
REFERENCE :
   TOLED5 Toxicology Letters.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1977-  Volume(issue)/page/year: 7,439,1981
 
TYPE OF TEST            : DNA repair
TEST SYSTEM             : Bacteria - Bacillus subtilis
DOSE/DURATION           : 50 mmol/L
REFERENCE :
   TOLED5 Toxicology Letters.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1977-  Volume(issue)/page/year: 7,439,1981

                              *** REVIEWS ***
 
   ACGIH TLV-TWA 0.05 mg(Cr)/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

   ACGIH TLV-Confirmed human 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:Human Sufficient 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: 49,49,1990

   IARC Cancer Review:Group 1
   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: 49,49,1990

   TOXICOLOGY REVIEW
   85DHAX "Medical and Biologic Effects of Environmental Pollutants Series,"
   Washington, DC, National Academy of Sciences, 1972-77
   Volume(issue)/page/year: Cr,22,1974

                    *** U.S. STANDARDS AND REGULATIONS ***
 
   MSHA STANDARD-air:TWA 0.5 mg(Cr)/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: 3,35,1971

   OSHA PEL (Gen Indu):CL 0.1 mg(CrO3)/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 0.1 mg(CrO3)/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 0.1 mg(CrO3)/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 0.1 mg(CrO3)/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

         *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA ***

NIOSH RECOMMENDED EXPOSURE LEVEL (REL) :
   NIOSH REL TO CHROMIUM(VI)-air:10H CA TWA 0.001 mg(Cr)/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 - 06063
       No. of Facilities: 1812 (estimated)
       No. of Industries: 31
       No. of Occupations: 15
       No. of Employees: 13389 (estimated)
   
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - 06063
       No. of Facilities: 3088 (estimated)
       No. of Industries: 23
       No. of Occupations: 21
       No. of Employees: 25163 (estimated)
       No. of Female Employees: 5017 (estimated)

                          *** STATUS IN U.S. ***
 
   EPA TSCA Section 8(b) CHEMICAL INVENTORY

 
                            *** END OF RECORD ***