National Occupational Exposure Survey
(1981 - 1983)

Estimated Numbers of Employees Potentially Exposed to Specific Agents by Occupation within 2-Digit Standard Industrial Classification (SIC)*

Agent Name SELENIUM
CAS # 7782-49-2
RTECS # VS7700000 
Agent Code 68295

FOOD AND KINDRED PRODUCTS (SIC 20)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
364 TRAFFIC, SHIPPING, AND RECEIVING CLERKS 1,612

453 JANITORS AND CLEANERS 682

756 MIXING AND BLENDING MACHINE OPERATORS 1,369

768 CRUSHING AND GRINDING MACHINE OPERATORS 993

777 MISCELLANEOUS MACHINE OPERATORS, N.E.C. 114

779 MACHINE OPERATORS, NOT SPECIFIED 2,606

804 TRUCK DRIVERS, HEAVY 227

877 STOCK HANDLERS AND BAGGERS 782

889 LABORERS, EXCEPT CONSTRUCTION 521

SUBTOTAL 8,906

CHEMICALS AND ALLIED PRODUCTS (SIC 28)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
073 CHEMISTS, EXCEPT BIOCHEMISTS 78
39
078 BIOLOGICAL AND LIFE SCIENTISTS 19

223 BIOLOGICAL TECHNICIANS 298
149
335 FILE CLERKS 149
30
368 WEIGHERS, MEASURERS, AND CHECKERS 19

633 SUPERVISORS, PRODUCTION OCCUPATIONS 19

754 PACKAGING AND FILLING MACHINE OPERATORS 467
467
756 MIXING AND BLENDING MACHINE OPERATORS 78

759 PAINTING AND PAINT SPRAYING MACHINE OPERATORS 78

797 PRODUCTION TESTERS 19

859 MISCELLANEOUS MATERIAL MOVING EQUIPMENT OPERATORS 156

SUBTOTAL 1,380
685
PETROLEUM AND COAL PRODUCTS (SIC 29)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
213 ELECTRICAL AND ELECTRONIC TECHNICIANS 293

225 SCIENCE TECHNICIANS, N.E.C. 189
105
585 PLUMBERS, PIPEFITTERS, AND STEAMFITTERS 279

759 PAINTING AND PAINT SPRAYING MACHINE OPERATORS 14

SUBTOTAL 775
105
STONE, CLAY, AND GLASS PRODUCTS (SIC 32)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
633 SUPERVISORS, PRODUCTION OCCUPATIONS 12

756 MIXING AND BLENDING MACHINE OPERATORS 25

789 HAND PAINTING, COATING, AND DECORATING OCCUPATIONS 349

SUBTOTAL 386

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 19

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 67

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

539 MECHANICAL CONTROLS AND VALVE REPAIRERS 37

544 MILLWRIGHTS 754

547 SPECIFIED MECHANICS AND REPAIRERS, N.E.C. 93

549 NOT SPECIFIED MECHANICS AND REPAIRERS 16

563 BRICKMASONS AND STONEMASONS 5

575 ELECTRICIANS 43

585 PLUMBERS, PIPEFITTERS, AND STEAMFITTERS 48

637 MACHINISTS 32

643 BOILERMAKERS 40

689 INSPECTORS, TESTERS, AND GRADERS 13

696 STATIONARY ENGINEERS 3

704 LATHE AND TURNING MACHINE OPERATORS 3

707 ROLLING MACHINE OPERATORS 125

715 MISCELLANEOUS METAL, PLASTIC, STONE, AND GLASS WORKING MACHINE OPERATORS 24

724 HEAT TREATING EQUIPMENT OPERATORS 48

727 SAWING MACHINE OPERATORS 3

756 MIXING AND BLENDING MACHINE OPERATORS 21

757 SEPARATING, FILTERING, AND CLARIFYING MACHINE OPERATORS 133

758 COMPRESSING AND COMPACTING MACHINE OPERATORS 13

766 FURNACE, KILN, AND OVEN OPERATORS, EXC. FOOD 24

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 37

783 WELDERS AND CUTTERS 19

785 ASSEMBLERS 117

796 PRODUCTION INSPECTORS, CHECKERS, AND EXAMINERS 69

797 PRODUCTION TESTERS 21

798 PRODUCTION SAMPLERS AND WEIGHERS 8

804 TRUCK DRIVERS, HEAVY 5

849 CRANE AND TOWER OPERATORS 51

856 INDUSTRIAL TRUCK AND TRACTOR EQUIPMENT OPERATORS 21

859 MISCELLANEOUS MATERIAL MOVING EQUIPMENT OPERATORS 16

873 PRODUCTION HELPERS 72

883 FREIGHT, STOCK, AND MATERIAL MOVERS, HAND, N.E.C. 85

889 LABORERS, EXCEPT CONSTRUCTION 133

SUBTOTAL 2,582

FABRICATED METAL PRODUCTS (SIC 34)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
723 METAL PLATING MACHINE OPERATORS 78

759 PAINTING AND PAINT SPRAYING MACHINE OPERATORS 156

785 ASSEMBLERS 130

883 FREIGHT, STOCK, AND MATERIAL MOVERS, HAND, N.E.C. 360

SUBTOTAL 724

MACHINERY, EXCEPT ELECTRICAL (SIC 35)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
215 MECHANICAL ENGINEERING TECHNICIANS 58

453 JANITORS AND CLEANERS 411

759 PAINTING AND PAINT SPRAYING MACHINE OPERATORS 28
11
768 CRUSHING AND GRINDING MACHINE OPERATORS 55
29
SUBTOTAL 552
40
ELECTRIC AND ELECTRONIC EQUIPMENT (SIC 36)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
213 ELECTRICAL AND ELECTRONIC TECHNICIANS 18
12
225 SCIENCE TECHNICIANS, N.E.C. 171
171
386 STATISTICAL CLERKS 85
85
723 METAL PLATING MACHINE OPERATORS 953
154
759 PAINTING AND PAINT SPRAYING MACHINE OPERATORS 24

766 FURNACE, KILN, AND OVEN OPERATORS, EXC. FOOD 171

779 MACHINE OPERATORS, NOT SPECIFIED 427
342
SUBTOTAL 1,849
764
TRANSPORTATION EQUIPMENT (SIC 37)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
235 TECHNICIANS, N.E.C. 16
5
SUBTOTAL 16
5
INSTRUMENTS AND RELATED PRODUCTS (SIC 38)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
235 TECHNICIANS, N.E.C. 1,661
611
SUBTOTAL 1,661
611
MISCELLANEOUS MANUFACTURING INDUSTRIES (SIC 39)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
777 MISCELLANEOUS MACHINE OPERATORS, N.E.C. 331
90
SUBTOTAL 331
90
BUSINESS SERVICES (SIC 73)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
073 CHEMISTS, EXCEPT BIOCHEMISTS 388
155
216 ENGINEERING TECHNICIANS, N.E.C. 14

SUBTOTAL 402
155
HEALTH SERVICES (SIC 80)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
095 REGISTERED NURSES 7,291
6,990
096 PHARMACISTS 331
186
206 RADIOLOGIC TECHNICIANS 16

SUBTOTAL 7,638
7,176
TOTAL 27,202 9,631
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.

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