*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : EW4150000
CHEMICAL NAME           : Calcium(II) sulfate, dihydrate (1:1:2)
CAS REGISTRY NUMBER     : 10101-41-4
LAST UPDATED            : 199701
DATA ITEMS CITED        : 4
MOLECULAR FORMULA       : O4-S.Ca.2H2-O
MOLECULAR WEIGHT        : 172.18
WISWESSER LINE NOTATION :  CA  S-O4 &QH 2
COMPOUND DESCRIPTOR     : Agricultural Chemical
SYNONYMS/TRADE NAMES :
   * Annaline
   * C.I. 77231
   * Compactrol
   * Light spar
   * Magnesia White
   * Mineral White
   * Native calcium sulfate
   * Precipitated calcium sulfate
   * Satinite
   * Satin spar
   * Sulfuric acid, calcium(2+) salt, dihydrate
   * Terra alba

                    *** U.S. STANDARDS AND REGULATIONS ***
 
   MSHA STANDARD:NUISANCE PARTICULATES
   DTLWS* "Documentation of the Threshold Limit Values for Substances in
   Workroom Air," Supplements. For publisher information, see 85INA8.
   Volume(issue)/page/year: 3,20,1973

                    *** OCCUPATIONAL EXPOSURE LIMITS ***
 
   OEL-THE NETHERLANDS:TWA 10 mg/m3 JAN 1993
   
   OEL-SWITZERLAND:TWA 6 mg/m3 JAN 1993

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

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - X2676
       No. of Facilities: 3076 (estimated)
       No. of Industries: 18
       No. of Occupations: 32
       No. of Employees: 37518 (estimated)
       No. of Female Employees: 5940 (estimated)

 
                            *** END OF RECORD ***