*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : EW2800000
CHEMICAL NAME           : Calcium hydroxide
CAS REGISTRY NUMBER     : 1305-62-0
LAST UPDATED            : 199712
DATA ITEMS CITED        : 27
MOLECULAR FORMULA       : Ca-H2-O2
MOLECULAR WEIGHT        : 74.10
WISWESSER LINE NOTATION :  CA  Q2
COMPOUND DESCRIPTOR     : Agricultural Chemical
                          Mutagen
                          Primary Irritant
SYNONYMS/TRADE NAMES :
   * Bell mine
   * Biocalc
   * Calcium dihydroxide
   * Calcium hydrate
   * Calcium hydroxide
   * Calvit
   * Carboxide
   * Hydrated lime
   * Kalkhydrate
   * Kemikal
   * Limbux
   * Lime milk
   * Lime water
   * Milk of lime
   * Slaked lime
 
                       *** HEALTH HAZARD DATA ***
 
                      ** SKIN/EYE IRRITATION DATA **
 
TYPE OF TEST            : Standard Draize test
ROUTE OF EXPOSURE       : Administration into the eye
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 10 mg
REACTION SEVERITY       : Severe
REFERENCE :
   TXAPA9 Toxicology and Applied Pharmacology.  (Academic Press, Inc., 1 E.
   First St., Duluth, MN 55802) V.1-    1959-  Volume(issue)/page/year:
   55,501,1980
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 7340 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   AIHAAP American Industrial Hygiene Association Journal.  (AIHA, 475 Wolf
   Ledges Pkwy., Akron, OH 44311)  V.19-    1958-  Volume(issue)/page/year:
   30,470,1969
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 7300 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   YKYUA6 Yakkyoku.  Pharmacy.  (Nanzando, 4-1-11, Yushima, Bunkyo-ku, Tokyo,
   Japan)  V.1-    1950-  Volume(issue)/page/year: 32,1477,1981
 
                            ** MUTATION DATA **
 
TYPE OF TEST            : Cytogenetic analysis
TEST SYSTEM             : Rodent - rat Ascites tumor
DOSE/DURATION           : 1200 mg/kg
REFERENCE :
   GANNA2 Gann.  Japanese Journal of Cancer Research.  (Tokyo, Japan)  V.1-75,
   1907-84.  For publisher information, see JJCREP.  Volume(issue)/page/year:
   54,155,1963

                              *** REVIEWS ***
 
   ACGIH TLV-TWA 5 mg/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 ***
 
   EPA FIFRA 1988 PESTICIDE SUBJECT TO REGISTRATION OR RE-REGISTRATION
   FEREAC Federal Register.  (U.S. Government Printing Office, Supt. of
   Documents, Washington, DC 20402) V.1-    1936-  Volume(issue)/page/year:
   54,7740,1989

   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-AUSTRALIA:TWA 5 mg/m3 JAN 1993
   
   OEL-BELGIUM:TWA 5 mg/m3 JAN 1993
   
   OEL-DENMARK:TWA 5 mg/m3 JAN 1993
   
   OEL-FINLAND:TWA 5 mg/m3 JAN 1993
   
   OEL-FRANCE:TWA 5 mg/m3 JAN 1993
   
   OEL-THE NETHERLANDS:TWA 5 mg/m3 JAN 1993
   
   OEL-SWITZERLAND:TWA 5 mg/m3 JAN 1993
   
   OEL-UNITED KINGDOM:TWA 5 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 CALCIUM HYDROXIDE-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 OCCUPATIONAL EXPOSURE SURVEY DATA :
   NOHS - National Occupational Hazard Survey (1974)
     NOHS Hazard Code - 15743
       No. of Facilities: 15315 (estimated)
       No. of Industries: 187
       No. of Occupations: 115
       No. of Employees: 226292 (estimated)
   
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - 15743
       No. of Facilities: 20988 (estimated)
       No. of Industries: 167
       No. of Occupations: 131
       No. of Employees: 360007 (estimated)
       No. of Female Employees: 39330 (estimated)

                          *** STATUS IN U.S. ***
 
   EPA TSCA Section 8(b) CHEMICAL INVENTORY
   
   NIOSH Analytical Method, 1994: Calcium and compounds, 7020

 
                            *** END OF RECORD ***