*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : CG0850000
CHEMICAL NAME           : Arsenic acid, diammonium salt
CAS REGISTRY NUMBER     : 7784-44-3
LAST UPDATED            : 199712
DATA ITEMS CITED        : 6
MOLECULAR FORMULA       : As-H-O4.2H4-N
MOLECULAR WEIGHT        : 176.03
WISWESSER LINE NOTATION :  Z&2 AS-O3-Q
SYNONYMS/TRADE NAMES :
   * Ammonium acid arsenate
   * Diammonium arsenate
   * Diammonium hydrogen arsenate
   * Diammonium monohydrogen arsenate
   * Dibasic ammonium arsenate
   * Secondary ammonium arsenate

                              *** REVIEWS ***
 
   ACGIH TLV-TWA 0.01 mg(As)/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

                    *** U.S. STANDARDS AND REGULATIONS ***
 
   MSHA STANDARD-air:TWA 0.5 mg(As)/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: 3,16,1971

   OSHA-cancer hazard
   CFRGBR Code of Federal Regulations.  (U.S. Government Printing Office, Supt.
   of Documents, Washington, DC 20402)  Volume(issue)/page/year:
   29,1910.1018,1987

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

NIOSH RECOMMENDED EXPOSURE LEVEL (REL) :
   NIOSH REL TO ARSENIC, INORGANIC-air:CA CL 0.002 mg(As)/m3/15M
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

                          *** STATUS IN U.S. ***
 
   NIOSH CURRENT INTELLIGENCE BULLETIN 14, 1976

 
                            *** END OF RECORD ***