Code	Occupation Description (1980)	Total # Employees (Male & Female)	Total # Female Employees
073	CHEMISTS, EXCEPT BIOCHEMISTS	12
216	ENGINEERING TECHNICIANS, N.E.C.	230	57
224	CHEMICAL TECHNICIANS	408	76
225	SCIENCE TECHNICIANS, N.E.C.	158
235	TECHNICIANS, N.E.C.	1,813
364	TRAFFIC, SHIPPING, AND RECEIVING CLERKS	1,147
365	STOCK AND INVENTORY CLERKS	20
453	JANITORS AND CLEANERS	1,220
505	AUTOMOBILE MECHANICS	2,995
515	AIRCRAFT MECHANICS, EXC. ENGINE	1,018
519	MACHINERY MAINTENANCE OCCUPATIONS	20
534	HEATING, AIR CONDITIONING, AND REFRIGERATION MECHANICS	41
544	MILLWRIGHTS	711
547	SPECIFIED MECHANICS AND REPAIRERS, N.E.C.	53
549	NOT SPECIFIED MECHANICS AND REPAIRERS	182
558	SUPERVISORS, N.E.C.	873
563	BRICKMASONS AND STONEMASONS	142
575	ELECTRICIANS	81
579	PAINTERS, CONSTRUCTION AND MAINTENANCE	334	11
585	PLUMBERS, PIPEFITTERS, AND STEAMFITTERS	194
634	TOOL AND DIE MAKERS	20
637	MACHINISTS	61
707	ROLLING MACHINE OPERATORS	708
713	FORGING MACHINE OPERATORS	40
717	FABRICATING MACHINE OPERATORS, N.E.C.	616
719	MOLDING AND CASTING MACHINE OPERATORS	801
723	METAL PLATING MACHINE OPERATORS	6	3
728	SHAPING AND JOINING MACHINE OPERATORS	908
744	TEXTILE SEWING MACHINE OPERATORS	82
755	EXTRUDING AND FORMING MACHINE OPERATORS	822	411
756	MIXING AND BLENDING MACHINE OPERATORS	2,656	38
759	PAINTING AND PAINT SPRAYING MACHINE OPERATORS	51	3
766	FURNACE, KILN, AND OVEN OPERATORS, EXC. FOOD	538
777	MISCELLANEOUS MACHINE OPERATORS, N.E.C.	1,041	38
779	MACHINE OPERATORS, NOT SPECIFIED	1,652
783	WELDERS AND CUTTERS	61
785	ASSEMBLERS	1,082	227
796	PRODUCTION INSPECTORS, CHECKERS, AND EXAMINERS	742	403
797	PRODUCTION TESTERS	13	13
849	CRANE AND TOWER OPERATORS	523
856	INDUSTRIAL TRUCK AND TRACTOR EQUIPMENT OPERATORS	193	15
869	CONSTRUCTION LABORERS	862
873	PRODUCTION HELPERS	12
877	STOCK HANDLERS AND BAGGERS	313
889	LABORERS, EXCEPT CONSTRUCTION	2,056
TOTAL		27,511	1,296

*(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.