Code	Occupation Description (1980)	Total # Employees (Male & Female)	Total # Female Employees
216	ENGINEERING TECHNICIANS, N.E.C.	17	17
335	FILE CLERKS	117	117
346	MAIL PREPARING AND PAPER HANDLING MACHINE OPERATORS	96	72
365	STOCK AND INVENTORY CLERKS	43
453	JANITORS AND CLEANERS	1,652	497
549	NOT SPECIFIED MECHANICS AND REPAIRERS	800	17
585	PLUMBERS, PIPEFITTERS, AND STEAMFITTERS	1,996
634	TOOL AND DIE MAKERS	609
637	MACHINISTS	996
669	SHOE REPAIRERS	191	120
677	OPTICAL GOODS WORKERS	168	151
684	MISCELLANEOUS PRECISION WORKERS, N.E.C.	1,138	455
695	POWER PLANT OPERATORS	101	67
706	PUNCHING AND STAMPING PRESS MACHINE OPERATORS	1,621	274
707	ROLLING MACHINE OPERATORS	1,898
708	DRILLING AND BORING MACHINE OPERATORS	217
709	GRINDING, ABRADING, BUFFING, AND POLISHING MACHINE OPERATORS	755	637
724	HEAT TREATING EQUIPMENT OPERATORS	218
725	MISCELLANEOUS METAL AND PLASTIC PROCESSING MACHINE OPERATORS	87
728	SHAPING AND JOINING MACHINE OPERATORS	72
734	PRINTING MACHINE OPERATORS	69	55
745	SHOE MACHINE OPERATORS	1,817	1,625
754	PACKAGING AND FILLING MACHINE OPERATORS	827	276
756	MIXING AND BLENDING MACHINE OPERATORS	358
759	PAINTING AND PAINT SPRAYING MACHINE OPERATORS	48	48
768	CRUSHING AND GRINDING MACHINE OPERATORS	285	252
769	SLICING AND CUTTING MACHINE OPERATORS	500	72
777	MISCELLANEOUS MACHINE OPERATORS, N.E.C.	24	24
779	MACHINE OPERATORS, NOT SPECIFIED	570	503
783	WELDERS AND CUTTERS	111	24
785	ASSEMBLERS	770	687
877	STOCK HANDLERS AND BAGGERS	138
878	MACHINE FEEDERS AND OFFBEARERS	235	201
883	FREIGHT, STOCK, AND MATERIAL MOVERS, HAND, N.E.C.	190
887	VEHICLE WASHERS AND EQUIPMENT CLEANERS	227	203
888	HAND PACKERS AND PACKAGERS	168	168
889	LABORERS, EXCEPT CONSTRUCTION	205	67
TOTAL		19,331	6,627

*(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.