National Occupational Exposure Survey
(1981 - 1983)

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

Agent Name SILANE, TRIMETHOXYMETHYL-
CAS # 1185-55-3
RTECS # VV4650000
Agent Code M3881

Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
044 AEROSPACE ENGINEERS 131  
057 MECHANICAL ENGINEERS 87 19
059 ENGINEERS, N.E.C. 307 7
065 OPERATIONS AND SYSTEMS RESEARCHERS AND ANALYSTS 24 24
073 CHEMISTS, EXCEPT BIOCHEMISTS 131 75
213 ELECTRICAL AND ELECTRONIC TECHNICIANS 1,493 3
215 MECHANICAL ENGINEERING TECHNICIANS 58  
216 ENGINEERING TECHNICIANS, N.E.C. 809 272
235 TECHNICIANS, N.E.C. 835 24
385 DATA-ENTRY KEYERS 1,602 764
453 JANITORS AND CLEANERS 3,472 1,327
505 AUTOMOBILE MECHANICS 805  
515 AIRCRAFT MECHANICS, EXC. ENGINE 567 21
533 MISCELLANEOUS ELECTRICAL AND ELECTRONIC EQUIPMENT REPAIRERS 116 19
534 HEATING, AIR CONDITIONING, AND REFRIGERATION MECHANICS 8,809  
549 NOT SPECIFIED MECHANICS AND REPAIRERS 31 9
558 SUPERVISORS, N.E.C. 784  
563 BRICKMASONS AND STONEMASONS 108  
567 CARPENTERS 260  
573 DRYWALL INSTALLERS 1,119  
575 ELECTRICIANS 7,047  
579 PAINTERS, CONSTRUCTION AND MAINTENANCE 318 297
585 PLUMBERS, PIPEFITTERS, AND STEAMFITTERS 7,047  
599 CONSTRUCTION TRADES, N.E.C. 3,328  
637 MACHINISTS 117  
675 HAND MOLDERS AND SHAPERS, EXCEPT JEWELERS 34 11
683 ELECTRICAL AND ELECTRONIC EQUIPMENT ASSEMBLERS 72 64
713 FORGING MACHINE OPERATORS 271  
715 MISCELLANEOUS METAL, PLASTIC, STONE, AND GLASS WORKING MACHINE OPERATORS 7  
717 FABRICATING MACHINE OPERATORS, N.E.C. 633 114
734 PRINTING MACHINE OPERATORS 79  
753 CEMENTING AND GLUING MACHINE OPERATORS 1,138 625
755 EXTRUDING AND FORMING MACHINE OPERATORS 376 31
759 PAINTING AND PAINT SPRAYING MACHINE OPERATORS 223 74
766 FURNACE, KILN, AND OVEN OPERATORS, EXC. FOOD 150  
777 MISCELLANEOUS MACHINE OPERATORS, N.E.C. 141 9
779 MACHINE OPERATORS, NOT SPECIFIED 3,223 2,606
784 SOLDERERS AND BRAZERS 792 542
785 ASSEMBLERS 37,664 26,585
796 PRODUCTION INSPECTORS, CHECKERS, AND EXAMINERS 97 80
797 PRODUCTION TESTERS 377 58
859 MISCELLANEOUS MATERIAL MOVING EQUIPMENT OPERATORS 121 112
869 CONSTRUCTION LABORERS 12,105  
888 HAND PACKERS AND PACKAGERS 121 121
TOTAL 97,031 33,893

*(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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