SIC	Industry Description (1972)	Total # Employees (Male & Female)	Total # Female Employees
20	FOOD AND KINDRED PRODUCTS	29,499	11,143
28	CHEMICALS AND ALLIED PRODUCTS	1,950	1,203
72	PERSONAL SERVICES	1,040	1,040
73	BUSINESS SERVICES	3,052	872
80	HEALTH SERVICES	1,544	1,003
TOTAL		37,085	15,260

*(1) By survey design, not all 2-digit SICs were surveyed. (2) The estimates for each 2-digit SIC apply only to the 3- and 4-digit SICs surveyed within the 2-digit SIC. Not all SICs were surveyed. (3) When using the estimates, standard errors associated with estimates should be considered. (4) 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.