Code	Occupation Description (1980)	Total # Employees (Male & Female)	Total # Female Employees
056	INDUSTRIAL ENGINEERS	29	6
073	CHEMISTS, EXCEPT BIOCHEMISTS	242
203	CLINICAL LABORATORY TECHNOLOGISTS AND TECHNICIANS	73	73
213	ELECTRICAL AND ELECTRONIC TECHNICIANS	306	267
216	ENGINEERING TECHNICIANS, N.E.C.	164	41
224	CHEMICAL TECHNICIANS	263	124
225	SCIENCE TECHNICIANS, N.E.C.	185	12
235	TECHNICIANS, N.E.C.	82
453	JANITORS AND CLEANERS	127
518	INDUSTRIAL MACHINERY REPAIRERS	10
519	MACHINERY MAINTENANCE OCCUPATIONS	22
534	HEATING, AIR CONDITIONING, AND REFRIGERATION MECHANICS	59
535	CAMERA, WATCH, AND MUSICAL INSTRUMENT REPAIRERS	3
547	SPECIFIED MECHANICS AND REPAIRERS, N.E.C.	364
549	NOT SPECIFIED MECHANICS AND REPAIRERS	623
567	CARPENTERS	371
575	ELECTRICIANS	10
585	PLUMBERS, PIPEFITTERS, AND STEAMFITTERS	1,781	3
593	INSULATION WORKERS	44
633	SUPERVISORS, PRODUCTION OCCUPATIONS	19
637	MACHINISTS	195
653	SHEET METAL WORKERS	75
693	ADJUSTERS AND CALIBRATORS	24	24
694	WATER AND SEWAGE TREATMENT PLANT OPERATORS	66
699	MISCELLANEOUS PLANT AND SYSTEM OPERATORS	97
707	ROLLING MACHINE OPERATORS	1,519
724	HEAT TREATING EQUIPMENT OPERATORS	14
756	MIXING AND BLENDING MACHINE OPERATORS	18
757	SEPARATING, FILTERING, AND CLARIFYING MACHINE OPERATORS	891	4
759	PAINTING AND PAINT SPRAYING MACHINE OPERATORS	100	11
766	FURNACE, KILN, AND OVEN OPERATORS, EXC. FOOD	18
777	MISCELLANEOUS MACHINE OPERATORS, N.E.C.	239
779	MACHINE OPERATORS, NOT SPECIFIED	60
783	WELDERS AND CUTTERS	467	6
785	ASSEMBLERS	107
796	PRODUCTION INSPECTORS, CHECKERS, AND EXAMINERS	9
859	MISCELLANEOUS MATERIAL MOVING EQUIPMENT OPERATORS	26
869	CONSTRUCTION LABORERS	1,302
TOTAL		10,003	571

*(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.