Code	Occupation Description (1980)	Total # Employees (Male & Female)	Total # Female Employees
048	CHEMICAL ENGINEERS	6
224	CHEMICAL TECHNICIANS	74
455	PEST CONTROL OCCUPATIONS	3,732	574
486	GROUNDSKEEPERS AND GARDENERS, EXCEPT FARM	730	365
535	CAMERA, WATCH, AND MUSICAL INSTRUMENT REPAIRERS	13
575	ELECTRICIANS	6
633	SUPERVISORS, PRODUCTION OCCUPATIONS	58
757	SEPARATING, FILTERING, AND CLARIFYING MACHINE OPERATORS	223
TOTAL		4,843	939

*(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.