Code	Occupation Description (1980)	Total # Employees (Male & Female)	Total # Female Employees
019	MANAGERS AND ADMINISTRATORS, N.E.C.	7
069	PHYSICISTS AND ASTRONOMERS	1,354	829
073	CHEMISTS, EXCEPT BIOCHEMISTS	3,197	1,085
203	CLINICAL LABORATORY TECHNOLOGISTS AND TECHNICIANS	9,551	6,854
208	HEALTH TECHNOLOGISTS AND TECHNICIANS, N.E.C.	1,625	1,134
213	ELECTRICAL AND ELECTRONIC TECHNICIANS	909	173
214	INDUSTRIAL ENGINEERING TECHNICIANS	34
216	ENGINEERING TECHNICIANS, N.E.C.	1,256	241
223	BIOLOGICAL TECHNICIANS	298	149
224	CHEMICAL TECHNICIANS	2,744	1,622
225	SCIENCE TECHNICIANS, N.E.C.	435	187
235	TECHNICIANS, N.E.C.	16	5
335	FILE CLERKS	342	30
446	HEALTH AIDES, EXCEPT NURSING	3,324	2,431
453	JANITORS AND CLEANERS	1,221	91
486	GROUNDSKEEPERS AND GARDENERS, EXCEPT FARM	730	365
534	HEATING, AIR CONDITIONING, AND REFRIGERATION MECHANICS	34
549	NOT SPECIFIED MECHANICS AND REPAIRERS	497
585	PLUMBERS, PIPEFITTERS, AND STEAMFITTERS	279
633	SUPERVISORS, PRODUCTION OCCUPATIONS	34
677	OPTICAL GOODS WORKERS	7	7
694	WATER AND SEWAGE TREATMENT PLANT OPERATORS	26
695	POWER PLANT OPERATORS	219
696	STATIONARY ENGINEERS	245
699	MISCELLANEOUS PLANT AND SYSTEM OPERATORS	147
715	MISCELLANEOUS METAL, PLASTIC, STONE, AND GLASS WORKING MACHINE OPERATORS	429
757	SEPARATING, FILTERING, AND CLARIFYING MACHINE OPERATORS	42
759	PAINTING AND PAINT SPRAYING MACHINE OPERATORS	14
766	FURNACE, KILN, AND OVEN OPERATORS, EXC. FOOD	603
777	MISCELLANEOUS MACHINE OPERATORS, N.E.C.	881	35
779	MACHINE OPERATORS, NOT SPECIFIED	84
785	ASSEMBLERS	305
796	PRODUCTION INSPECTORS, CHECKERS, AND EXAMINERS	33	33
TOTAL		30,922	15,271

*(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.