SPECIAL TRADE CONTRACTORS (SIC 17)
Code	Occupation Description (1980)	Total # Employees (Male & Female)	Total # Female Employees
588	CONCRETE AND TERRAZZO FINISHERS	1,939
804	TRUCK DRIVERS, HEAVY	323
869	CONSTRUCTION LABORERS	1,616
SUBTOTAL		3,878
PAPER AND ALLIED PRODUCTS (SIC 26)
Code	Occupation Description (1980)	Total # Employees (Male & Female)	Total # Female Employees
633	SUPERVISORS, PRODUCTION OCCUPATIONS	240
756	MIXING AND BLENDING MACHINE OPERATORS	240
873	PRODUCTION HELPERS	599
SUBTOTAL		1,079
CHEMICALS AND ALLIED PRODUCTS (SIC 28)
Code	Occupation Description (1980)	Total # Employees (Male & Female)	Total # Female Employees
549	NOT SPECIFIED MECHANICS AND REPAIRERS	2,116
889	LABORERS, EXCEPT CONSTRUCTION	744
SUBTOTAL		2,860
PETROLEUM AND COAL PRODUCTS (SIC 29)
Code	Occupation Description (1980)	Total # Employees (Male & Female)	Total # Female Employees
073	CHEMISTS, EXCEPT BIOCHEMISTS	14	14
224	CHEMICAL TECHNICIANS	7	7
779	MACHINE OPERATORS, NOT SPECIFIED	5,593
SUBTOTAL		5,614	21
STONE, CLAY, AND GLASS PRODUCTS (SIC 32)
Code	Occupation Description (1980)	Total # Employees (Male & Female)	Total # Female Employees
216	ENGINEERING TECHNICIANS, N.E.C.	44	44
364	TRAFFIC, SHIPPING, AND RECEIVING CLERKS	178
453	JANITORS AND CLEANERS	578
637	MACHINISTS	339
759	PAINTING AND PAINT SPRAYING MACHINE OPERATORS	267	44
856	INDUSTRIAL TRUCK AND TRACTOR EQUIPMENT OPERATORS	178
859	MISCELLANEOUS MATERIAL MOVING EQUIPMENT OPERATORS	578	445
878	MACHINE FEEDERS AND OFFBEARERS	311	178
887	VEHICLE WASHERS AND EQUIPMENT CLEANERS	89
SUBTOTAL		2,562	711
PRIMARY METAL INDUSTRIES (SIC 33)
Code	Occupation Description (1980)	Total # Employees (Male & Female)	Total # Female Employees
045	METALLURGICAL AND MATERIALS ENGINEERS	64
055	ELECTRICAL AND ELECTRONIC ENGINEERS	5
073	CHEMISTS, EXCEPT BIOCHEMISTS	121	8
216	ENGINEERING TECHNICIANS, N.E.C.	40
224	CHEMICAL TECHNICIANS	37
363	PRODUCTION COORDINATORS	8
364	TRAFFIC, SHIPPING, AND RECEIVING CLERKS	8
374	MATERIAL RECORDING, SCHEDULING, AND DISTRIBUTING CLERKS, N.E.C.	13
453	JANITORS AND CLEANERS	2,415
516	HEAVY EQUIPMENT MECHANICS	11
518	INDUSTRIAL MACHINERY REPAIRERS	21
519	MACHINERY MAINTENANCE OCCUPATIONS	27
523	ELECTRONIC REPAIRERS, COMMUNICATIONS AND INDUSTRIAL EQUIPMENT	88
533	MISCELLANEOUS ELECTRICAL AND ELECTRONIC EQUIPMENT REPAIRERS	11
534	HEATING, AIR CONDITIONING, AND REFRIGERATION MECHANICS	243
539	MECHANICAL CONTROLS AND VALVE REPAIRERS	37
544	MILLWRIGHTS	717
547	SPECIFIED MECHANICS AND REPAIRERS, N.E.C.	317
549	NOT SPECIFIED MECHANICS AND REPAIRERS	16
563	BRICKMASONS AND STONEMASONS	129
575	ELECTRICIANS	43
585	PLUMBERS, PIPEFITTERS, AND STEAMFITTERS	48
633	SUPERVISORS, PRODUCTION OCCUPATIONS	37
637	MACHINISTS	1,156	8
643	BOILERMAKERS	40
689	INSPECTORS, TESTERS, AND GRADERS	13
696	STATIONARY ENGINEERS	3
704	LATHE AND TURNING MACHINE OPERATORS	3
706	PUNCHING AND STAMPING PRESS MACHINE OPERATORS	535
707	ROLLING MACHINE OPERATORS	904
709	GRINDING, ABRADING, BUFFING, AND POLISHING MACHINE OPERATORS	839	22
715	MISCELLANEOUS METAL, PLASTIC, STONE, AND GLASS WORKING MACHINE OPERATORS	24
719	MOLDING AND CASTING MACHINE OPERATORS	274
724	HEAT TREATING EQUIPMENT OPERATORS	487
727	SAWING MACHINE OPERATORS	3
755	EXTRUDING AND FORMING MACHINE OPERATORS	1,411
756	MIXING AND BLENDING MACHINE OPERATORS	21
757	SEPARATING, FILTERING, AND CLARIFYING MACHINE OPERATORS	2,369
758	COMPRESSING AND COMPACTING MACHINE OPERATORS	13
766	FURNACE, KILN, AND OVEN OPERATORS, EXC. FOOD	1,237
768	CRUSHING AND GRINDING MACHINE OPERATORS	5
769	SLICING AND CUTTING MACHINE OPERATORS	13
777	MISCELLANEOUS MACHINE OPERATORS, N.E.C.	13
779	MACHINE OPERATORS, NOT SPECIFIED	295
783	WELDERS AND CUTTERS	89
785	ASSEMBLERS	117
796	PRODUCTION INSPECTORS, CHECKERS, AND EXAMINERS	219	37
797	PRODUCTION TESTERS	21
798	PRODUCTION SAMPLERS AND WEIGHERS	8
804	TRUCK DRIVERS, HEAVY	5
849	CRANE AND TOWER OPERATORS	742
856	INDUSTRIAL TRUCK AND TRACTOR EQUIPMENT OPERATORS	21
859	MISCELLANEOUS MATERIAL MOVING EQUIPMENT OPERATORS	16
865	HELPERS, CONSTRUCTION TRADES	288
873	PRODUCTION HELPERS	72
883	FREIGHT, STOCK, AND MATERIAL MOVERS, HAND, N.E.C.	85
889	LABORERS, EXCEPT CONSTRUCTION	763	43
SUBTOTAL		16,560	118
FABRICATED METAL PRODUCTS (SIC 34)
Code	Occupation Description (1980)	Total # Employees (Male & Female)	Total # Female Employees
453	JANITORS AND CLEANERS	41
563	BRICKMASONS AND STONEMASONS	190
634	TOOL AND DIE MAKERS	1,722	13
766	FURNACE, KILN, AND OVEN OPERATORS, EXC. FOOD	1,308
779	MACHINE OPERATORS, NOT SPECIFIED	4,614	1,758
783	WELDERS AND CUTTERS	69
SUBTOTAL		7,944	1,771
MACHINERY, EXCEPT ELECTRICAL (SIC 35)
Code	Occupation Description (1980)	Total # Employees (Male & Female)	Total # Female Employees
453	JANITORS AND CLEANERS	123
547	SPECIFIED MECHANICS AND REPAIRERS, N.E.C.	366
549	NOT SPECIFIED MECHANICS AND REPAIRERS	616
634	TOOL AND DIE MAKERS	3,539
779	MACHINE OPERATORS, NOT SPECIFIED	1,828
783	WELDERS AND CUTTERS	301
SUBTOTAL		6,773
ELECTRIC AND ELECTRONIC EQUIPMENT (SIC 36)
Code	Occupation Description (1980)	Total # Employees (Male & Female)	Total # Female Employees
777	MISCELLANEOUS MACHINE OPERATORS, N.E.C.	46	30
783	WELDERS AND CUTTERS	180
SUBTOTAL		226	30
TRANSPORTATION EQUIPMENT (SIC 37)
Code	Occupation Description (1980)	Total # Employees (Male & Female)	Total # Female Employees
044	AEROSPACE ENGINEERS	11
453	JANITORS AND CLEANERS	1,528
515	AIRCRAFT MECHANICS, EXC. ENGINE	24
544	MILLWRIGHTS	885	3
637	MACHINISTS	86
703	LATHE AND TURNING MACHINE SET-UP OPERATORS	24
704	LATHE AND TURNING MACHINE OPERATORS	175
708	DRILLING AND BORING MACHINE OPERATORS	14
709	GRINDING, ABRADING, BUFFING, AND POLISHING MACHINE OPERATORS	179	3
777	MISCELLANEOUS MACHINE OPERATORS, N.E.C.	392
783	WELDERS AND CUTTERS	3,069
889	LABORERS, EXCEPT CONSTRUCTION	17
SUBTOTAL		6,404	6
TRANSPORTATION BY AIR (SIC 45)
Code	Occupation Description (1980)	Total # Employees (Male & Female)	Total # Female Employees
515	AIRCRAFT MECHANICS, EXC. ENGINE	206
783	WELDERS AND CUTTERS	37
SUBTOTAL		243
BUSINESS SERVICES (SIC 73)
Code	Occupation Description (1980)	Total # Employees (Male & Female)	Total # Female Employees
069	PHYSICISTS AND ASTRONOMERS	14
SUBTOTAL		14
TOTAL		54,157	2,657
RELATED PAGES: Estimates by SIC, Estimates by Occupation

*(1) The estimates for each occupation apply only to the 3- and 4-digit SICs surveyed within the 2-digit SIC where the agent was observed. Not all SICs were surveyed, and not all agents were observed in all surveyed SICs. (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.