National Occupational Exposure Survey
(1981 - 1983)

Estimated Numbers of Employees Potentially Exposed to Specific Agents by Occupation*

Agent Name SILICA GEL
CAS # 63231-67-4
RTECS # VV8850000
Agent Code M1532

Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
019 MANAGERS AND ADMINISTRATORS, N.E.C. 300  
036 INSPECTORS AND COMPLIANCE OFFICERS, EXC. CONSTRUCTION 32 32
055 ELECTRICAL AND ELECTRONIC ENGINEERS 249  
057 MECHANICAL ENGINEERS 210  
059 ENGINEERS, N.E.C. 47 11
073 CHEMISTS, EXCEPT BIOCHEMISTS 1,893 280
084 PHYSICIANS 49 33
185 DESIGNERS 332  
188 PAINTERS, SCULPTORS, CRAFT-ARTISTS, AND ARTIST PRINTMAKERS 555 499
189 PHOTOGRAPHERS 813 142
203 CLINICAL LABORATORY TECHNOLOGISTS AND TECHNICIANS 76 55
213 ELECTRICAL AND ELECTRONIC TECHNICIANS 66  
216 ENGINEERING TECHNICIANS, N.E.C. 110 110
218 SURVEYING AND MAPPING TECHNICIANS 45  
224 CHEMICAL TECHNICIANS 1,950 418
235 TECHNICIANS, N.E.C. 588 5
364 TRAFFIC, SHIPPING, AND RECEIVING CLERKS 1,073 239
365 STOCK AND INVENTORY CLERKS 37  
368 WEIGHERS, MEASURERS, AND CHECKERS 57  
453 JANITORS AND CLEANERS 5,732 1,298
505 AUTOMOBILE MECHANICS 4,025  
507 BUS, TRUCK, AND STATIONARY ENGINE MECHANICS 1,037  
514 AUTOMOBILE BODY AND RELATED REPAIRERS 6,445  
519 MACHINERY MAINTENANCE OCCUPATIONS 111  
549 NOT SPECIFIED MECHANICS AND REPAIRERS 1,088  
567 CARPENTERS 292  
575 ELECTRICIANS 65  
579 PAINTERS, CONSTRUCTION AND MAINTENANCE 3,037 51
585 PLUMBERS, PIPEFITTERS, AND STEAMFITTERS 172  
593 INSULATION WORKERS 418  
595 ROOFERS 4,576  
597 STRUCTURAL METAL WORKERS 469  
633 SUPERVISORS, PRODUCTION OCCUPATIONS 302  
637 MACHINISTS 262  
643 BOILERMAKERS 48  
653 SHEET METAL WORKERS 504 151
689 INSPECTORS, TESTERS, AND GRADERS 18 6
696 STATIONARY ENGINEERS 851  
719 MOLDING AND CASTING MACHINE OPERATORS 716  
734 PRINTING MACHINE OPERATORS 10,910 85
735 PHOTOENGRAVERS AND LITHOGRAPHERS 364 32
737 MISCELLANEOUS PRINTING MACHINE OPERATORS 423 121
749 MISCELLANEOUS TEXTILE MACHINE OPERATORS 345  
754 PACKAGING AND FILLING MACHINE OPERATORS 18  
756 MIXING AND BLENDING MACHINE OPERATORS 447 60
759 PAINTING AND PAINT SPRAYING MACHINE OPERATORS 3,411 770
766 FURNACE, KILN, AND OVEN OPERATORS, EXC. FOOD 1,102 39
774 PHOTOGRAPHIC PROCESS MACHINE OPERATORS 305  
777 MISCELLANEOUS MACHINE OPERATORS, N.E.C. 112  
779 MACHINE OPERATORS, NOT SPECIFIED 5,716  
783 WELDERS AND CUTTERS 248  
785 ASSEMBLERS 1,741 1,693
789 HAND PAINTING, COATING, AND DECORATING OCCUPATIONS 626 14
796 PRODUCTION INSPECTORS, CHECKERS, AND EXAMINERS 6  
859 MISCELLANEOUS MATERIAL MOVING EQUIPMENT OPERATORS 687  
869 CONSTRUCTION LABORERS 2,183 5
873 PRODUCTION HELPERS 584  
878 MACHINE FEEDERS AND OFFBEARERS 32 5
887 VEHICLE WASHERS AND EQUIPMENT CLEANERS 98  
888 HAND PACKERS AND PACKAGERS 1,062 944
889 LABORERS, EXCEPT CONSTRUCTION 28 11
TOTAL 69,100 7,109

*(1) The estimates for each occupation apply across the surveyed industries in which the agent was observed. Not all industries were surveyed, and not all agents were observed in all surveyed industries. (2) When using the estimates, standard errors associated with estimates should be considered. (3) Potential exposures to a chemical agent are categorized as actual (i.e., the surveyor observed the use of the specific agent) or tradename (i.e., the surveyor observed the use of a tradename product known to contain the specific agent). The estimates presented in the table combine both categories.

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