Code	Occupation Description (1980)	Total # Employees (Male & Female)	Total # Female Employees
019	MANAGERS AND ADMINISTRATORS, N.E.C.	129
453	JANITORS AND CLEANERS	516
597	STRUCTURAL METAL WORKERS	258
637	MACHINISTS	129
709	GRINDING, ABRADING, BUFFING, AND POLISHING MACHINE OPERATORS	129
759	PAINTING AND PAINT SPRAYING MACHINE OPERATORS	129
779	MACHINE OPERATORS, NOT SPECIFIED	922
783	WELDERS AND CUTTERS	2,476
793	HAND ENGRAVING AND PRINTING OCCUPATIONS	475
TOTAL		5,163

*(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.