Code	Occupation Description (1980)	Total # Employees (Male & Female)	Total # Female Employees
368	WEIGHERS, MEASURERS, AND CHECKERS	168
426	GUARDS AND POLICE, EXC. PUBLIC SERVICE	42
453	JANITORS AND CLEANERS	260
515	AIRCRAFT MECHANICS, EXC. ENGINE	567	21
675	HAND MOLDERS AND SHAPERS, EXCEPT JEWELERS	232
713	FORGING MACHINE OPERATORS	462
719	MOLDING AND CASTING MACHINE OPERATORS	627	495
728	SHAPING AND JOINING MACHINE OPERATORS	1,954	1,042
735	PHOTOENGRAVERS AND LITHOGRAPHERS	239
736	TYPESETTERS AND COMPOSITORS	923
755	EXTRUDING AND FORMING MACHINE OPERATORS	875	369
759	PAINTING AND PAINT SPRAYING MACHINE OPERATORS	125
766	FURNACE, KILN, AND OVEN OPERATORS, EXC. FOOD	252
777	MISCELLANEOUS MACHINE OPERATORS, N.E.C.	662
779	MACHINE OPERATORS, NOT SPECIFIED	143	59
796	PRODUCTION INSPECTORS, CHECKERS, AND EXAMINERS	294
873	PRODUCTION HELPERS	714
878	MACHINE FEEDERS AND OFFBEARERS	245	41
TOTAL		8,784	2,027

*(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.