*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : VV9170000
CHEMICAL NAME           : Silicic acid (H2SiO3), calcium salt (1:1)
CAS REGISTRY NUMBER     : 10101-39-0
LAST UPDATED            : 199707
DATA ITEMS CITED        : 4
MOLECULAR FORMULA       : O3-Si.Ca
MOLECULAR WEIGHT        : 116.17
SYNONYMS/TRADE NAMES :
   * Baysical K
   * Calcium metasilicate
   * beta-Calcium silicate
   * Calcium silicon oxide
   * C.I. 77230
   * C.I. Pigment White 28
   * CS (cement component)
   * Florite
   * Kemolit ASB 8 K
   * Pigment White 28

                    *** 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

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

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
   NOHS - National Occupational Hazard Survey (1974)
     NOHS Hazard Code - 83497
       No. of Facilities: 6521 (estimated)
       No. of Industries: 89
       No. of Occupations: 90
       No. of Employees: 98227 (estimated)
   
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - 83497
       No. of Facilities: 659 (estimated)
       No. of Industries: 18
       No. of Occupations: 23
       No. of Employees: 21865 (estimated)
       No. of Female Employees: 5490 (estimated)

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

 
                            *** END OF RECORD ***