SIC	Industry Description (1972)	Total # Employees (Male & Female)	Total # Female Employees
13	OIL AND GAS EXTRACTION	323
20	FOOD AND KINDRED PRODUCTS	703
22	TEXTILE MILL PRODUCTS	133
30	RUBBER AND MISC. PLASTICS PRODUCTS	1,640
32	STONE, CLAY, AND GLASS PRODUCTS	164
33	PRIMARY METAL INDUSTRIES	3,309
34	FABRICATED METAL PRODUCTS	621	5
35	MACHINERY, EXCEPT ELECTRICAL	1,800
36	ELECTRIC AND ELECTRONIC EQUIPMENT	197
37	TRANSPORTATION EQUIPMENT	6
38	INSTRUMENTS AND RELATED PRODUCTS	2,844	602
39	MISCELLANEOUS MANUFACTURING INDUSTRIES	268
49	ELECTRIC, GAS, AND SANITARY SERVICES	1,401
73	BUSINESS SERVICES	1,452	230
TOTAL		14,859	837

*(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.