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          The National Institute for Occupational Safety and Health (NIOSH)
         1. Registry of Toxic Effects of Chemical Substances (RTECS)
      Sulfuric acid, calcium salt (1:1)
            Related Pages
                RTECS #
                  WS6920000
                CAS #
                  7778-18-9; 23296-15-3
                  See: NMAM or OSHA Methods
                Updated
                  September 2013
                Molecular Weight
                  136.14
                Molecular Formula
                  Ca·O4S
                Synonyms
                  Anhydrous calcium sulfate
                  Calcium sulfate
                  Calcium sulfate (ACGIH:OSHA)
                  Crysalba
                  Drierite
                  GIBS
                  Thiolite
        Reviews
          Organization                                                       Standard                                              Reference          
          American Conference of Governmental Industrial Hygienists (ACGIH)  Threshold Limit Value-time-weighted average 10 mg/m3  DTLVS* TLV/BEI,2013
          Standards and Regulations
            Organization                                                                                                                                                 Standard                                                   Reference               
            Environmental Protection Agency (EPA) Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA) 1988 PESTICIDE SUBJECT TO REGISTRATION OR RE-REGISTRATION                                                             FEREAC 54,7740,1989     
            Environmental Protection Agency (EPA) Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA) 1998 STATUS OF PESTICIDES                                  Cancelled                                                  RBREV* -,320,1998       
            Occupational Exposure Limit IN ARGENTINA, BULGARIA, COLOMBIA, JORDAN check ACGIH TLV;                                                                                                                                                           
            Occupational Exposure Limit IN SINGAPORE, VIETNAM check ACGIH TLV                                                                                                                                                                               
            Occupational Exposure Limit-AUSTRIA                                                                                                                          MAK-TMW 5 mg/m3;KZW 10 mg/m3, resp, 2007                                           
            Occupational Exposure Limit-BELGIUM                                                                                                                          time-weighted average 10 mg/m3, MAR2002                                            
            Occupational Exposure Limit-FRANCE                                                                                                                           VME 10 mg/m3, FEB2006                                                              
            Occupational Exposure Limit-GERMANY                                                                                                                          MAK 1.5 mg/m3 (resp.), 2011                                                        
            Occupational Exposure Limit-GERMANY                                                                                                                          MAK 4 mg/m3 (inhal.), 2011                                                         
            Occupational Exposure Limit-HUNGARY                                                                                                                          time-weighted average 6 mg/m3 (resp), SEP2000                                      
            Occupational Exposure Limit-KOREA                                                                                                                            time-weighted average 10 mg/m3, 2006                                               
            Occupational Exposure Limit-MEXICO                                                                                                                           time-weighted average 10 mg/m3 (inhalable), 2004                                   
            Occupational Exposure Limit-NEW ZEALAND                                                                                                                      time-weighted average 10 mg/m3 (inspirable dust), JAN2002                          
            Occupational Exposure Limit-PERU                                                                                                                             time-weighted average 10 mg/m3, JUL2005                                            
            Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (Construction)                                                               8H time-weighted average 15 mg/m3, total dust              CFRGBR 29,1926.55,1994  
            Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (Construction)                                                               8H time-weighted average 5 mg/m3, respirable fraction      CFRGBR 29,1926.55,1994  
            Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (General Industry)                                                           8H time-weighted average 15 mg/m3, total dust              CFRGBR 29,1910.1000,1994
            Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (General Industry)                                                           8H time-weighted average 5 mg/m3, respirable fraction      CFRGBR 29,1910.1000,1994
            Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (Shipyards)                                                                  8H time-weighted average 15 mg/m3, total dust              CFRGBR 29,1915.1000,1993
            Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (Shipyards)                                                                  8H time-weighted average 5 mg/m3, respirable fraction      CFRGBR 29,1915.1000,1993
            NIOSH Documentation and Surveillance
              Organization                                                                                                                          Standard                                                                                                                                                                                          Reference               
              National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Level TO CALCIUM SULFATE, respirable fraction-air  time-weighted average 5 mg/m3                                                                                                                                                                     NIOSH* DHHS #95-121,1995
              National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Level TO CALCIUM SULFATE, total dust-air           10H time-weighted average 10 mg/m3                                                                                                                                                                NIOSH* DHHS #95-121,1995
              National Occupational Exposure Survey 1983                                                                                            Hazard Code 80244; Number of Industries 76; Total Number of Facilities 10251; Number of Occupations 92; Total Number of Employees Exposed 209809; Total Number of Female Employees Exposed 25489                          
              National Occupational Hazard Survey 1974                                                                                              Hazard Code 80244; Number of Industries 155; Total Number of Facilities 20643; Number of Occupations 105; Total Number of Employees Exposed 243889                                                                        
              Status in Federal Agencies
                Organization                                               Reference
                EPA TSCA Section 8(b) CHEMICAL INVENTORY                            
                EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JANUARY 2001           
              Page last reviewed: November 16, 2018
                Content source: National Institute for Occupational Safety and Health
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