Code	Occupation Description (1980)	Total # Employees (Male & Female)	Total # Female Employees
215	MECHANICAL ENGINEERING TECHNICIANS	108
216	ENGINEERING TECHNICIANS, N.E.C.	385	3
379	GENERAL OFFICE CLERKS	11
385	DATA-ENTRY KEYERS	722
453	JANITORS AND CLEANERS	5,269	79
507	BUS, TRUCK, AND STATIONARY ENGINE MECHANICS	74
519	MACHINERY MAINTENANCE OCCUPATIONS	597
544	MILLWRIGHTS	11
547	SPECIFIED MECHANICS AND REPAIRERS, N.E.C.	198
549	NOT SPECIFIED MECHANICS AND REPAIRERS	419
575	ELECTRICIANS	725
593	INSULATION WORKERS	311
637	MACHINISTS	175
684	MISCELLANEOUS PRECISION WORKERS, N.E.C.	1,024
695	POWER PLANT OPERATORS	57
704	LATHE AND TURNING MACHINE OPERATORS	663	227
709	GRINDING, ABRADING, BUFFING, AND POLISHING MACHINE OPERATORS	485
733	MISCELLANEOUS WOODWORKING MACHINE OPERATORS	9
734	PRINTING MACHINE OPERATORS	2,061
735	PHOTOENGRAVERS AND LITHOGRAPHERS	239
739	KNITTING, LOOPING, TAPING, AND WEAVING MACHINE OPERATORS	1,200	835
744	TEXTILE SEWING MACHINE OPERATORS	3,286	3,129
749	MISCELLANEOUS TEXTILE MACHINE OPERATORS	820	442
754	PACKAGING AND FILLING MACHINE OPERATORS	68
756	MIXING AND BLENDING MACHINE OPERATORS	98
757	SEPARATING, FILTERING, AND CLARIFYING MACHINE OPERATORS	2,594
759	PAINTING AND PAINT SPRAYING MACHINE OPERATORS	86
766	FURNACE, KILN, AND OVEN OPERATORS, EXC. FOOD	9
769	SLICING AND CUTTING MACHINE OPERATORS	37
777	MISCELLANEOUS MACHINE OPERATORS, N.E.C.	3,741	81
783	WELDERS AND CUTTERS	215
785	ASSEMBLERS	4,061	6
796	PRODUCTION INSPECTORS, CHECKERS, AND EXAMINERS	107
804	TRUCK DRIVERS, HEAVY	74
856	INDUSTRIAL TRUCK AND TRACTOR EQUIPMENT OPERATORS	215
859	MISCELLANEOUS MATERIAL MOVING EQUIPMENT OPERATORS	38
869	CONSTRUCTION LABORERS	1,257
889	LABORERS, EXCEPT CONSTRUCTION	108
TOTAL		31,554	4,802

*(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.