Code	Occupation Description (1980)	Total # Employees (Male & Female)	Total # Female Employees
073	CHEMISTS, EXCEPT BIOCHEMISTS	914	187
216	ENGINEERING TECHNICIANS, N.E.C.	231	16
224	CHEMICAL TECHNICIANS	44
345	DUPLICATING MACHINE OPERATORS	32	16
357	MESSENGERS	278
364	TRAFFIC, SHIPPING, AND RECEIVING CLERKS	360
453	JANITORS AND CLEANERS	1,643	56
486	GROUNDSKEEPERS AND GARDENERS, EXCEPT FARM	3,205
508	AIRCRAFT ENGINE MECHANICS	2,113
515	AIRCRAFT MECHANICS, EXC. ENGINE	567	21
519	MACHINERY MAINTENANCE OCCUPATIONS	271
575	ELECTRICIANS	338
579	PAINTERS, CONSTRUCTION AND MAINTENANCE	318	297
585	PLUMBERS, PIPEFITTERS, AND STEAMFITTERS	433
633	SUPERVISORS, PRODUCTION OCCUPATIONS	417	92
643	BOILERMAKERS	48
653	SHEET METAL WORKERS	301	128
675	HAND MOLDERS AND SHAPERS, EXCEPT JEWELERS	156
683	ELECTRICAL AND ELECTRONIC EQUIPMENT ASSEMBLERS	7	7
708	DRILLING AND BORING MACHINE OPERATORS	40
709	GRINDING, ABRADING, BUFFING, AND POLISHING MACHINE OPERATORS	156
719	MOLDING AND CASTING MACHINE OPERATORS	2,246	301
736	TYPESETTERS AND COMPOSITORS	1,550	1,292
743	TEXTILE CUTTING MACHINE OPERATORS	171
749	MISCELLANEOUS TEXTILE MACHINE OPERATORS	1,086	79
753	CEMENTING AND GLUING MACHINE OPERATORS	1,804	725
755	EXTRUDING AND FORMING MACHINE OPERATORS	1,105	65
756	MIXING AND BLENDING MACHINE OPERATORS	2,280	291
757	SEPARATING, FILTERING, AND CLARIFYING MACHINE OPERATORS	54
758	COMPRESSING AND COMPACTING MACHINE OPERATORS	840	600
759	PAINTING AND PAINT SPRAYING MACHINE OPERATORS	566
769	SLICING AND CUTTING MACHINE OPERATORS	2,894	2,302
774	PHOTOGRAPHIC PROCESS MACHINE OPERATORS	258
777	MISCELLANEOUS MACHINE OPERATORS, N.E.C.	8,489	443
779	MACHINE OPERATORS, NOT SPECIFIED	926	495
783	WELDERS AND CUTTERS	102
785	ASSEMBLERS	8,465	1,478
787	HAND MOLDING, CASTING, AND FORMING OCCUPATIONS	512
789	HAND PAINTING, COATING, AND DECORATING OCCUPATIONS	660	587
796	PRODUCTION INSPECTORS, CHECKERS, AND EXAMINERS	377	32
797	PRODUCTION TESTERS	68
856	INDUSTRIAL TRUCK AND TRACTOR EQUIPMENT OPERATORS	156
859	MISCELLANEOUS MATERIAL MOVING EQUIPMENT OPERATORS	159
873	PRODUCTION HELPERS	707
878	MACHINE FEEDERS AND OFFBEARERS	88
887	VEHICLE WASHERS AND EQUIPMENT CLEANERS	34
888	HAND PACKERS AND PACKAGERS	300
889	LABORERS, EXCEPT CONSTRUCTION	28	11
TOTAL		47,798	9,520

*(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.