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 SN, TIN-MF UNKNOWN
CAS # 7440-31-5
RTECS # XP7320000 
Agent Code 73075

OIL AND GAS EXTRACTION (SIC 13)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
055 ELECTRICAL AND ELECTRONIC ENGINEERS 612

759 PAINTING AND PAINT SPRAYING MACHINE OPERATORS 72

777 MISCELLANEOUS MACHINE OPERATORS, N.E.C. 362

783 WELDERS AND CUTTERS 99

889 LABORERS, EXCEPT CONSTRUCTION 254

SUBTOTAL 1,399

GENERAL BUILDING CONTRACTORS (SIC 15)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
585 PLUMBERS, PIPEFITTERS, AND STEAMFITTERS 2,067

844 OPERATING ENGINEERS 85

869 CONSTRUCTION LABORERS 6,136
453
SUBTOTAL 8,288
453
HEAVY CONSTRUCTION CONTRACTORS (SIC 16)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
235 TECHNICIANS, N.E.C. 78

453 JANITORS AND CLEANERS 1,488

507 BUS, TRUCK, AND STATIONARY ENGINE MECHANICS 8,621
539
516 HEAVY EQUIPMENT MECHANICS 3,285
75
519 MACHINERY MAINTENANCE OCCUPATIONS 703

783 WELDERS AND CUTTERS 1,185

844 OPERATING ENGINEERS 1,883

853 EXCAVATING AND LOADING MACHINE OPERATORS 781

855 GRADER, DOZER, AND SCRAPER OPERATORS 468

869 CONSTRUCTION LABORERS 941

SUBTOTAL 19,433
614
SPECIAL TRADE CONTRACTORS (SIC 17)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
053 CIVIL ENGINEERS 146

516 HEAVY EQUIPMENT MECHANICS 2,976

533 MISCELLANEOUS ELECTRICAL AND ELECTRONIC EQUIPMENT REPAIRERS 1,948

534 HEATING, AIR CONDITIONING, AND REFRIGERATION MECHANICS 15,502

549 NOT SPECIFIED MECHANICS AND REPAIRERS 903

558 SUPERVISORS, N.E.C. 374

567 CARPENTERS 3,408

575 ELECTRICIANS 9,972

585 PLUMBERS, PIPEFITTERS, AND STEAMFITTERS 61,216
40
588 CONCRETE AND TERRAZZO FINISHERS 1,939

596 SHEETMETAL DUCT INSTALLERS 2,471

597 STRUCTURAL METAL WORKERS 1,701

637 MACHINISTS 871

639 MACHINIST APPRENTICES 139

653 SHEET METAL WORKERS 2,967

783 WELDERS AND CUTTERS 467

804 TRUCK DRIVERS, HEAVY 606

869 CONSTRUCTION LABORERS 17,643

SUBTOTAL 125,249
40
FOOD AND KINDRED PRODUCTS (SIC 20)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
213 ELECTRICAL AND ELECTRONIC TECHNICIANS 235

365 STOCK AND INVENTORY CLERKS 109

453 JANITORS AND CLEANERS 293

507 BUS, TRUCK, AND STATIONARY ENGINE MECHANICS 524

547 SPECIFIED MECHANICS AND REPAIRERS, N.E.C. 236

549 NOT SPECIFIED MECHANICS AND REPAIRERS 715

575 ELECTRICIANS 122

579 PAINTERS, CONSTRUCTION AND MAINTENANCE 48

633 SUPERVISORS, PRODUCTION OCCUPATIONS 53

653 SHEET METAL WORKERS 31

766 FURNACE, KILN, AND OVEN OPERATORS, EXC. FOOD 48

783 WELDERS AND CUTTERS 157

806 DRIVER-SALES WORKERS 215

SUBTOTAL 2,786

TOBACCO MANUFACTURES (SIC 21)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
523 ELECTRONIC REPAIRERS, COMMUNICATIONS AND INDUSTRIAL EQUIPMENT 167
3
SUBTOTAL 167
3
TEXTILE MILL PRODUCTS (SIC 22)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
453 JANITORS AND CLEANERS 775

547 SPECIFIED MECHANICS AND REPAIRERS, N.E.C. 65

549 NOT SPECIFIED MECHANICS AND REPAIRERS 81

575 ELECTRICIANS 130

783 WELDERS AND CUTTERS 281

SUBTOTAL 1,332

APPAREL AND OTHER TEXTILE PRODUCTS (SIC 23)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
215 MECHANICAL ENGINEERING TECHNICIANS 108

453 JANITORS AND CLEANERS 2,938
46
518 INDUSTRIAL MACHINERY REPAIRERS 991

547 SPECIFIED MECHANICS AND REPAIRERS, N.E.C. 243

549 NOT SPECIFIED MECHANICS AND REPAIRERS 1,025

633 SUPERVISORS, PRODUCTION OCCUPATIONS 476
242
SUBTOTAL 5,781
288
LUMBER AND WOOD PRODUCTS (SIC 24)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
453 JANITORS AND CLEANERS 1,236

523 ELECTRONIC REPAIRERS, COMMUNICATIONS AND INDUSTRIAL EQUIPMENT 62

544 MILLWRIGHTS 45

549 NOT SPECIFIED MECHANICS AND REPAIRERS 192

585 PLUMBERS, PIPEFITTERS, AND STEAMFITTERS 60

768 CRUSHING AND GRINDING MACHINE OPERATORS 77

783 WELDERS AND CUTTERS 381

785 ASSEMBLERS 581

SUBTOTAL 2,634

FURNITURE AND FIXTURES (SIC 25)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
549 NOT SPECIFIED MECHANICS AND REPAIRERS 122

637 MACHINISTS 211

683 ELECTRICAL AND ELECTRONIC EQUIPMENT ASSEMBLERS 94

717 FABRICATING MACHINE OPERATORS, N.E.C. 180

783 WELDERS AND CUTTERS 263
24
SUBTOTAL 870
24
PAPER AND ALLIED PRODUCTS (SIC 26)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
216 ENGINEERING TECHNICIANS, N.E.C. 110

453 JANITORS AND CLEANERS 2,183

507 BUS, TRUCK, AND STATIONARY ENGINE MECHANICS 14

516 HEAVY EQUIPMENT MECHANICS 1,040

547 SPECIFIED MECHANICS AND REPAIRERS, N.E.C. 22

549 NOT SPECIFIED MECHANICS AND REPAIRERS 1,273

759 PAINTING AND PAINT SPRAYING MACHINE OPERATORS 110

769 SLICING AND CUTTING MACHINE OPERATORS 1,212
165
777 MISCELLANEOUS MACHINE OPERATORS, N.E.C. 1,563
1,563
783 WELDERS AND CUTTERS 127

784 SOLDERERS AND BRAZERS 11

SUBTOTAL 7,665
1,728
PRINTING AND PUBLISHING (SIC 27)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
213 ELECTRICAL AND ELECTRONIC TECHNICIANS 42
5
453 JANITORS AND CLEANERS 251

523 ELECTRONIC REPAIRERS, COMMUNICATIONS AND INDUSTRIAL EQUIPMENT 113

538 OFFICE MACHINE REPAIRERS 75

549 NOT SPECIFIED MECHANICS AND REPAIRERS 91

575 ELECTRICIANS 537

689 INSPECTORS, TESTERS, AND GRADERS 105

719 MOLDING AND CASTING MACHINE OPERATORS 65

736 TYPESETTERS AND COMPOSITORS 1,186
28
785 ASSEMBLERS 299
299
873 PRODUCTION HELPERS 14

889 LABORERS, EXCEPT CONSTRUCTION 560

SUBTOTAL 3,338
332
CHEMICALS AND ALLIED PRODUCTS (SIC 28)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
453 JANITORS AND CLEANERS 377

518 INDUSTRIAL MACHINERY REPAIRERS 137
7
549 NOT SPECIFIED MECHANICS AND REPAIRERS 2,114

575 ELECTRICIANS 385

585 PLUMBERS, PIPEFITTERS, AND STEAMFITTERS 50

637 MACHINISTS 57

783 WELDERS AND CUTTERS 1,687

785 ASSEMBLERS 886
354
889 LABORERS, EXCEPT CONSTRUCTION 744

SUBTOTAL 6,437
361
PETROLEUM AND COAL PRODUCTS (SIC 29)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
073 CHEMISTS, EXCEPT BIOCHEMISTS 7

224 CHEMICAL TECHNICIANS 740
294
653 SHEET METAL WORKERS 14

783 WELDERS AND CUTTERS 77

SUBTOTAL 838
294
RUBBER AND MISC. PLASTICS PRODUCTS (SIC 30)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
213 ELECTRICAL AND ELECTRONIC TECHNICIANS 3

216 ENGINEERING TECHNICIANS, N.E.C. 69

364 TRAFFIC, SHIPPING, AND RECEIVING CLERKS 54

453 JANITORS AND CLEANERS 1,089

549 NOT SPECIFIED MECHANICS AND REPAIRERS 554

633 SUPERVISORS, PRODUCTION OCCUPATIONS 215

637 MACHINISTS 28

653 SHEET METAL WORKERS 88

684 MISCELLANEOUS PRECISION WORKERS, N.E.C. 205

704 LATHE AND TURNING MACHINE OPERATORS 1,662

719 MOLDING AND CASTING MACHINE OPERATORS 762

723 METAL PLATING MACHINE OPERATORS 269
108
756 MIXING AND BLENDING MACHINE OPERATORS 138

759 PAINTING AND PAINT SPRAYING MACHINE OPERATORS 69

777 MISCELLANEOUS MACHINE OPERATORS, N.E.C. 831

783 WELDERS AND CUTTERS 126

785 ASSEMBLERS 418

798 PRODUCTION SAMPLERS AND WEIGHERS 128

859 MISCELLANEOUS MATERIAL MOVING EQUIPMENT OPERATORS 215

SUBTOTAL 6,923
108
LEATHER AND LEATHER PRODUCTS (SIC 31)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
453 JANITORS AND CLEANERS 48

SUBTOTAL 48

STONE, CLAY, AND GLASS PRODUCTS (SIC 32)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
453 JANITORS AND CLEANERS 1,072

547 SPECIFIED MECHANICS AND REPAIRERS, N.E.C. 150

575 ELECTRICIANS 373

637 MACHINISTS 155

783 WELDERS AND CUTTERS 928

SUBTOTAL 2,678

PRIMARY METAL INDUSTRIES (SIC 33)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
225 SCIENCE TECHNICIANS, N.E.C. 652

453 JANITORS AND CLEANERS 1,605

518 INDUSTRIAL MACHINERY REPAIRERS 11

544 MILLWRIGHTS 263

547 SPECIFIED MECHANICS AND REPAIRERS, N.E.C. 107

549 NOT SPECIFIED MECHANICS AND REPAIRERS 34

575 ELECTRICIANS 856
16
637 MACHINISTS 2,144
522
676 PATTERNMAKERS, LAY-OUT WORKERS, AND CUTTERS 203

706 PUNCHING AND STAMPING PRESS MACHINE OPERATORS 345

717 FABRICATING MACHINE OPERATORS, N.E.C. 521

719 MOLDING AND CASTING MACHINE OPERATORS 40

723 METAL PLATING MACHINE OPERATORS 3,659
1,428
759 PAINTING AND PAINT SPRAYING MACHINE OPERATORS 31

766 FURNACE, KILN, AND OVEN OPERATORS, EXC. FOOD 2,199

777 MISCELLANEOUS MACHINE OPERATORS, N.E.C. 954

779 MACHINE OPERATORS, NOT SPECIFIED 1,071
892
783 WELDERS AND CUTTERS 1,623

796 PRODUCTION INSPECTORS, CHECKERS, AND EXAMINERS 5

797 PRODUCTION TESTERS 123

849 CRANE AND TOWER OPERATORS 7

878 MACHINE FEEDERS AND OFFBEARERS 3

889 LABORERS, EXCEPT CONSTRUCTION 751
56
SUBTOTAL 17,207
2,914
FABRICATED METAL PRODUCTS (SIC 34)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
213 ELECTRICAL AND ELECTRONIC TECHNICIANS 63

216 ENGINEERING TECHNICIANS, N.E.C. 164
41
365 STOCK AND INVENTORY CLERKS 322
6
453 JANITORS AND CLEANERS 3,107
55
507 BUS, TRUCK, AND STATIONARY ENGINE MECHANICS 158

516 HEAVY EQUIPMENT MECHANICS 16

518 INDUSTRIAL MACHINERY REPAIRERS 71

549 NOT SPECIFIED MECHANICS AND REPAIRERS 319

575 ELECTRICIANS 841

585 PLUMBERS, PIPEFITTERS, AND STEAMFITTERS 135

633 SUPERVISORS, PRODUCTION OCCUPATIONS 1,862

634 TOOL AND DIE MAKERS 2,068
13
637 MACHINISTS 2,537
407
645 PATTERNMAKERS AND MODEL MAKERS, METAL 415

683 ELECTRICAL AND ELECTRONIC EQUIPMENT ASSEMBLERS 1,397
1,388
706 PUNCHING AND STAMPING PRESS MACHINE OPERATORS 692

707 ROLLING MACHINE OPERATORS 433
79
709 GRINDING, ABRADING, BUFFING, AND POLISHING MACHINE OPERATORS 144

723 METAL PLATING MACHINE OPERATORS 370
29
725 MISCELLANEOUS METAL AND PLASTIC PROCESSING MACHINE OPERATORS 19

766 FURNACE, KILN, AND OVEN OPERATORS, EXC. FOOD 2,075
830
769 SLICING AND CUTTING MACHINE OPERATORS 224

783 WELDERS AND CUTTERS 915

784 SOLDERERS AND BRAZERS 1,273
797
785 ASSEMBLERS 19,038
17,513
794 HAND GRINDING AND POLISHING OCCUPATIONS 4,565
415
796 PRODUCTION INSPECTORS, CHECKERS, AND EXAMINERS 1,701
960
797 PRODUCTION TESTERS 31
31
856 INDUSTRIAL TRUCK AND TRACTOR EQUIPMENT OPERATORS 679

SUBTOTAL 45,634
22,564
MACHINERY, EXCEPT ELECTRICAL (SIC 35)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
019 MANAGERS AND ADMINISTRATORS, N.E.C. 69

055 ELECTRICAL AND ELECTRONIC ENGINEERS 1,160

056 INDUSTRIAL ENGINEERS 458
229
057 MECHANICAL ENGINEERS 349

059 ENGINEERS, N.E.C. 83
83
073 CHEMISTS, EXCEPT BIOCHEMISTS 96
32
213 ELECTRICAL AND ELECTRONIC TECHNICIANS 836
19
215 MECHANICAL ENGINEERING TECHNICIANS 58

216 ENGINEERING TECHNICIANS, N.E.C. 954
92
235 TECHNICIANS, N.E.C. 1,032
133
444 MISCELLANEOUS FOOD PREPARATION OCCUPATIONS 16

453 JANITORS AND CLEANERS 3,281
80
518 INDUSTRIAL MACHINERY REPAIRERS 625

523 ELECTRONIC REPAIRERS, COMMUNICATIONS AND INDUSTRIAL EQUIPMENT 171

533 MISCELLANEOUS ELECTRICAL AND ELECTRONIC EQUIPMENT REPAIRERS 12

543 ELEVATOR INSTALLERS AND REPAIRERS 3,842

547 SPECIFIED MECHANICS AND REPAIRERS, N.E.C. 366

549 NOT SPECIFIED MECHANICS AND REPAIRERS 2,273
1,091
575 ELECTRICIANS 1,487

585 PLUMBERS, PIPEFITTERS, AND STEAMFITTERS 58

633 SUPERVISORS, PRODUCTION OCCUPATIONS 487

634 TOOL AND DIE MAKERS 77

637 MACHINISTS 3,517

645 PATTERNMAKERS AND MODEL MAKERS, METAL 514

653 SHEET METAL WORKERS 531

683 ELECTRICAL AND ELECTRONIC EQUIPMENT ASSEMBLERS 8,078
5,265
684 MISCELLANEOUS PRECISION WORKERS, N.E.C. 588

696 STATIONARY ENGINEERS 356
75
709 GRINDING, ABRADING, BUFFING, AND POLISHING MACHINE OPERATORS 29

723 METAL PLATING MACHINE OPERATORS 252
66
724 HEAT TREATING EQUIPMENT OPERATORS 86

734 PRINTING MACHINE OPERATORS 79

749 MISCELLANEOUS TEXTILE MACHINE OPERATORS 376
301
759 PAINTING AND PAINT SPRAYING MACHINE OPERATORS 648
389
774 PHOTOGRAPHIC PROCESS MACHINE OPERATORS 58
12
777 MISCELLANEOUS MACHINE OPERATORS, N.E.C. 709
32
779 MACHINE OPERATORS, NOT SPECIFIED 1,881
1,298
783 WELDERS AND CUTTERS 3,565
62
784 SOLDERERS AND BRAZERS 4,113
2,196
785 ASSEMBLERS 33,508
19,732
796 PRODUCTION INSPECTORS, CHECKERS, AND EXAMINERS 150
64
797 PRODUCTION TESTERS 4,492
2,001
859 MISCELLANEOUS MATERIAL MOVING EQUIPMENT OPERATORS 69

888 HAND PACKERS AND PACKAGERS 361
305
SUBTOTAL 81,750
33,557
ELECTRIC AND ELECTRONIC EQUIPMENT (SIC 36)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
055 ELECTRICAL AND ELECTRONIC ENGINEERS 1,830
44
059 ENGINEERS, N.E.C. 224
72
213 ELECTRICAL AND ELECTRONIC TECHNICIANS 11,214
6,198
216 ENGINEERING TECHNICIANS, N.E.C. 114

225 SCIENCE TECHNICIANS, N.E.C. 231
171
235 TECHNICIANS, N.E.C. 993
115
243 SUPERVISORS AND PROPRIETORS, SALES OCCUPATIONS 633
203
335 FILE CLERKS 1,078
640
364 TRAFFIC, SHIPPING, AND RECEIVING CLERKS 6
6
365 STOCK AND INVENTORY CLERKS 14

385 DATA-ENTRY KEYERS 1,602
764
386 STATISTICAL CLERKS 85
85
443 WAITERS'/WAITRESSES' ASSISTANTS 513
513
453 JANITORS AND CLEANERS 6,205
1,768
518 INDUSTRIAL MACHINERY REPAIRERS 194
9
523 ELECTRONIC REPAIRERS, COMMUNICATIONS AND INDUSTRIAL EQUIPMENT 92
34
529 TELEPHONE INSTALLERS AND REPAIRERS 221
177
535 CAMERA, WATCH, AND MUSICAL INSTRUMENT REPAIRERS 81
81
547 SPECIFIED MECHANICS AND REPAIRERS, N.E.C. 2,670
2,618
549 NOT SPECIFIED MECHANICS AND REPAIRERS 1,154
87
575 ELECTRICIANS 447

585 PLUMBERS, PIPEFITTERS, AND STEAMFITTERS 20

633 SUPERVISORS, PRODUCTION OCCUPATIONS 7
7
634 TOOL AND DIE MAKERS 259

637 MACHINISTS 813

645 PATTERNMAKERS AND MODEL MAKERS, METAL 153

647 PRECIOUS STONES AND METALS WORKERS (JEWELERS) 2

653 SHEET METAL WORKERS 145

675 HAND MOLDERS AND SHAPERS, EXCEPT JEWELERS 35

683 ELECTRICAL AND ELECTRONIC EQUIPMENT ASSEMBLERS 32,867
27,405
684 MISCELLANEOUS PRECISION WORKERS, N.E.C. 145

689 INSPECTORS, TESTERS, AND GRADERS 5,195
1,492
695 POWER PLANT OPERATORS 35
28
696 STATIONARY ENGINEERS 558
33
703 LATHE AND TURNING MACHINE SET-UP OPERATORS 9
2
706 PUNCHING AND STAMPING PRESS MACHINE OPERATORS 200
13
715 MISCELLANEOUS METAL, PLASTIC, STONE, AND GLASS WORKING MACHINE OPERATORS 6
6
717 FABRICATING MACHINE OPERATORS, N.E.C. 225
210
719 MOLDING AND CASTING MACHINE OPERATORS 16
7
723 METAL PLATING MACHINE OPERATORS 209
24
734 PRINTING MACHINE OPERATORS 382
382
749 MISCELLANEOUS TEXTILE MACHINE OPERATORS 19
19
753 CEMENTING AND GLUING MACHINE OPERATORS 330
314
758 COMPRESSING AND COMPACTING MACHINE OPERATORS 18
18
766 FURNACE, KILN, AND OVEN OPERATORS, EXC. FOOD 175
5
769 SLICING AND CUTTING MACHINE OPERATORS 28
25
777 MISCELLANEOUS MACHINE OPERATORS, N.E.C. 5,933
2,367
779 MACHINE OPERATORS, NOT SPECIFIED 3,393
2,545
783 WELDERS AND CUTTERS 2,074
506
784 SOLDERERS AND BRAZERS 14,065
10,206
785 ASSEMBLERS 83,847
64,025
796 PRODUCTION INSPECTORS, CHECKERS, AND EXAMINERS 601
317
797 PRODUCTION TESTERS 876
246
859 MISCELLANEOUS MATERIAL MOVING EQUIPMENT OPERATORS 6
6
878 MACHINE FEEDERS AND OFFBEARERS 41
41
887 VEHICLE WASHERS AND EQUIPMENT CLEANERS 12
7
SUBTOTAL 182,300
123,841
TRANSPORTATION EQUIPMENT (SIC 37)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
055 ELECTRICAL AND ELECTRONIC ENGINEERS 357
178
057 MECHANICAL ENGINEERS 482
14
203 CLINICAL LABORATORY TECHNOLOGISTS AND TECHNICIANS 50

213 ELECTRICAL AND ELECTRONIC TECHNICIANS 168

215 MECHANICAL ENGINEERING TECHNICIANS 65

216 ENGINEERING TECHNICIANS, N.E.C. 346
238
224 CHEMICAL TECHNICIANS 17
3
225 SCIENCE TECHNICIANS, N.E.C. 50

235 TECHNICIANS, N.E.C. 50
14
365 STOCK AND INVENTORY CLERKS 114

453 JANITORS AND CLEANERS 4,841
18
503 SUPERVISORS, MECHANICS AND REPAIRERS 65

505 AUTOMOBILE MECHANICS 11

507 BUS, TRUCK, AND STATIONARY ENGINE MECHANICS 1,153

514 AUTOMOBILE BODY AND RELATED REPAIRERS 55

515 AIRCRAFT MECHANICS, EXC. ENGINE 55
22
518 INDUSTRIAL MACHINERY REPAIRERS 91

519 MACHINERY MAINTENANCE OCCUPATIONS 36

523 ELECTRONIC REPAIRERS, COMMUNICATIONS AND INDUSTRIAL EQUIPMENT 149
3
533 MISCELLANEOUS ELECTRICAL AND ELECTRONIC EQUIPMENT REPAIRERS 3

534 HEATING, AIR CONDITIONING, AND REFRIGERATION MECHANICS 9

544 MILLWRIGHTS 931
3
547 SPECIFIED MECHANICS AND REPAIRERS, N.E.C. 28

549 NOT SPECIFIED MECHANICS AND REPAIRERS 36

575 ELECTRICIANS 610

579 PAINTERS, CONSTRUCTION AND MAINTENANCE 103

585 PLUMBERS, PIPEFITTERS, AND STEAMFITTERS 115

636 PRECISION ASSEMBLERS, METAL 22
14
637 MACHINISTS 1,980
273
645 PATTERNMAKERS AND MODEL MAKERS, METAL 50
50
653 SHEET METAL WORKERS 142

683 ELECTRICAL AND ELECTRONIC EQUIPMENT ASSEMBLERS 1,380
844
689 INSPECTORS, TESTERS, AND GRADERS 87
14
703 LATHE AND TURNING MACHINE SET-UP OPERATORS 282

704 LATHE AND TURNING MACHINE OPERATORS 31

708 DRILLING AND BORING MACHINE OPERATORS 7

709 GRINDING, ABRADING, BUFFING, AND POLISHING MACHINE OPERATORS 861
149
713 FORGING MACHINE OPERATORS 20

723 METAL PLATING MACHINE OPERATORS 22

735 PHOTOENGRAVERS AND LITHOGRAPHERS 36
7
765 FOLDING MACHINE OPERATORS 49

766 FURNACE, KILN, AND OVEN OPERATORS, EXC. FOOD 6

777 MISCELLANEOUS MACHINE OPERATORS, N.E.C. 159
3
779 MACHINE OPERATORS, NOT SPECIFIED 519
21
783 WELDERS AND CUTTERS 3,960
31
784 SOLDERERS AND BRAZERS 479
228
785 ASSEMBLERS 6,707
3,568
793 HAND ENGRAVING AND PRINTING OCCUPATIONS 475

797 PRODUCTION TESTERS 454
278
859 MISCELLANEOUS MATERIAL MOVING EQUIPMENT OPERATORS 687

889 LABORERS, EXCEPT CONSTRUCTION 1,353
25
SUBTOTAL 29,758
5,998
INSTRUMENTS AND RELATED PRODUCTS (SIC 38)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
055 ELECTRICAL AND ELECTRONIC ENGINEERS 355
64
056 INDUSTRIAL ENGINEERS 68

059 ENGINEERS, N.E.C. 556
36
188 PAINTERS, SCULPTORS, CRAFT-ARTISTS, AND ARTIST PRINTMAKERS 173
74
213 ELECTRICAL AND ELECTRONIC TECHNICIANS 2,986
149
216 ENGINEERING TECHNICIANS, N.E.C. 690

235 TECHNICIANS, N.E.C. 3,465
1,947
453 JANITORS AND CLEANERS 278

523 ELECTRONIC REPAIRERS, COMMUNICATIONS AND INDUSTRIAL EQUIPMENT 109

534 HEATING, AIR CONDITIONING, AND REFRIGERATION MECHANICS 7

535 CAMERA, WATCH, AND MUSICAL INSTRUMENT REPAIRERS 397
331
547 SPECIFIED MECHANICS AND REPAIRERS, N.E.C. 645
109
575 ELECTRICIANS 31

633 SUPERVISORS, PRODUCTION OCCUPATIONS 31

637 MACHINISTS 2,477
139
645 PATTERNMAKERS AND MODEL MAKERS, METAL 1,193
852
677 OPTICAL GOODS WORKERS 2,009
856
683 ELECTRICAL AND ELECTRONIC EQUIPMENT ASSEMBLERS 10,631
6,098
684 MISCELLANEOUS PRECISION WORKERS, N.E.C. 232
58
705 MILLING AND PLANING MACHINE OPERATORS 1,255
1,116
709 GRINDING, ABRADING, BUFFING, AND POLISHING MACHINE OPERATORS 121
121
717 FABRICATING MACHINE OPERATORS, N.E.C. 577
114
723 METAL PLATING MACHINE OPERATORS 1,758
949
757 SEPARATING, FILTERING, AND CLARIFYING MACHINE OPERATORS 31

759 PAINTING AND PAINT SPRAYING MACHINE OPERATORS 27

769 SLICING AND CUTTING MACHINE OPERATORS 483
241
777 MISCELLANEOUS MACHINE OPERATORS, N.E.C. 716
470
783 WELDERS AND CUTTERS 107
24
784 SOLDERERS AND BRAZERS 1,219
933
785 ASSEMBLERS 19,739
12,741
787 HAND MOLDING, CASTING, AND FORMING OCCUPATIONS 219

796 PRODUCTION INSPECTORS, CHECKERS, AND EXAMINERS 957
291
797 PRODUCTION TESTERS 706
187
SUBTOTAL 54,248
27,900
MISCELLANEOUS MANUFACTURING INDUSTRIES (SIC 39)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
453 JANITORS AND CLEANERS 81

518 INDUSTRIAL MACHINERY REPAIRERS 268

547 SPECIFIED MECHANICS AND REPAIRERS, N.E.C. 366

647 PRECIOUS STONES AND METALS WORKERS (JEWELERS) 3,767
3,125
675 HAND MOLDERS AND SHAPERS, EXCEPT JEWELERS 414
64
684 MISCELLANEOUS PRECISION WORKERS, N.E.C. 2,722
2,658
709 GRINDING, ABRADING, BUFFING, AND POLISHING MACHINE OPERATORS 275
27
727 SAWING MACHINE OPERATORS 20

766 FURNACE, KILN, AND OVEN OPERATORS, EXC. FOOD 136

779 MACHINE OPERATORS, NOT SPECIFIED 27
27
784 SOLDERERS AND BRAZERS 2,955
1,899
785 ASSEMBLERS 3,077
1,895
787 HAND MOLDING, CASTING, AND FORMING OCCUPATIONS 108
23
796 PRODUCTION INSPECTORS, CHECKERS, AND EXAMINERS 80
32
797 PRODUCTION TESTERS 462
239
889 LABORERS, EXCEPT CONSTRUCTION 212
46
SUBTOTAL 14,970
10,035
RAILROAD TRANSPORTATION (SIC 40)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
575 ELECTRICIANS 196

SUBTOTAL 196

LOCAL AND INTERURBAN PASSENGER TRANSIT (SIC 41)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
507 BUS, TRUCK, AND STATIONARY ENGINE MECHANICS 516

SUBTOTAL 516

TRUCKING AND WAREHOUSING (SIC 42)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
453 JANITORS AND CLEANERS 761

507 BUS, TRUCK, AND STATIONARY ENGINE MECHANICS 1,240

523 ELECTRONIC REPAIRERS, COMMUNICATIONS AND INDUSTRIAL EQUIPMENT 1,634
176
526 HOUSEHOLD APPLIANCE AND POWER TOOL REPAIRERS 808
25
533 MISCELLANEOUS ELECTRICAL AND ELECTRONIC EQUIPMENT REPAIRERS 50

538 OFFICE MACHINE REPAIRERS 126

549 NOT SPECIFIED MECHANICS AND REPAIRERS 339

575 ELECTRICIANS 214

SUBTOTAL 5,172
201
TRANSPORTATION BY AIR (SIC 45)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
213 ELECTRICAL AND ELECTRONIC TECHNICIANS 2,127

505 AUTOMOBILE MECHANICS 342

508 AIRCRAFT ENGINE MECHANICS 6,707
57
515 AIRCRAFT MECHANICS, EXC. ENGINE 107

523 ELECTRONIC REPAIRERS, COMMUNICATIONS AND INDUSTRIAL EQUIPMENT 375

547 SPECIFIED MECHANICS AND REPAIRERS, N.E.C. 619

549 NOT SPECIFIED MECHANICS AND REPAIRERS 17

575 ELECTRICIANS 17

637 MACHINISTS 3,317

783 WELDERS AND CUTTERS 1,261

SUBTOTAL 14,889
57
PIPE LINES, EXCEPT NATURAL GAS (SIC 46)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
235 TECHNICIANS, N.E.C. 599

SUBTOTAL 599

COMMUNICATION (SIC 48)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
019 MANAGERS AND ADMINISTRATORS, N.E.C. 483

055 ELECTRICAL AND ELECTRONIC ENGINEERS 2,625

057 MECHANICAL ENGINEERS 332

059 ENGINEERS, N.E.C. 556

198 ANNOUNCERS 444

213 ELECTRICAL AND ELECTRONIC TECHNICIANS 260

216 ENGINEERING TECHNICIANS, N.E.C. 666
166
235 TECHNICIANS, N.E.C. 5,393
1,087
453 JANITORS AND CLEANERS 2,013
387
518 INDUSTRIAL MACHINERY REPAIRERS 1,762

523 ELECTRONIC REPAIRERS, COMMUNICATIONS AND INDUSTRIAL EQUIPMENT 5,555

527 TELEPHONE LINE INSTALLERS AND REPAIRERS 225

529 TELEPHONE INSTALLERS AND REPAIRERS 10,165
36
689 INSPECTORS, TESTERS, AND GRADERS 356

696 STATIONARY ENGINEERS 307

889 LABORERS, EXCEPT CONSTRUCTION 402
151
SUBTOTAL 31,544
1,827
ELECTRIC, GAS, AND SANITARY SERVICES (SIC 49)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
055 ELECTRICAL AND ELECTRONIC ENGINEERS 524
42
366 METER READERS 1,495

505 AUTOMOBILE MECHANICS 236

523 ELECTRONIC REPAIRERS, COMMUNICATIONS AND INDUSTRIAL EQUIPMENT 258

539 MECHANICAL CONTROLS AND VALVE REPAIRERS 587
21
547 SPECIFIED MECHANICS AND REPAIRERS, N.E.C. 519

549 NOT SPECIFIED MECHANICS AND REPAIRERS 3,789

575 ELECTRICIANS 2,762

577 ELECTRICAL POWER INSTALLERS AND REPAIRERS 691

SUBTOTAL 10,861
63
WHOLESALE TRADE - DURABLE GOODS (SIC 50)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
453 JANITORS AND CLEANERS 303

503 SUPERVISORS, MECHANICS AND REPAIRERS 264

518 INDUSTRIAL MACHINERY REPAIRERS 253
46
719 MOLDING AND CASTING MACHINE OPERATORS 264

SUBTOTAL 1,084
46
WHOLESALE TRADE - NONDURABLE GOODS (SIC 51)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
453 JANITORS AND CLEANERS 1,359

SUBTOTAL 1,359

AUTOMOTIVE DEALERS & SERVICE STATIONS (SIC 55)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
365 STOCK AND INVENTORY CLERKS 427
427
505 AUTOMOBILE MECHANICS 1,463

514 AUTOMOBILE BODY AND RELATED REPAIRERS 427

759 PAINTING AND PAINT SPRAYING MACHINE OPERATORS 427

SUBTOTAL 2,744
427
BUSINESS SERVICES (SIC 73)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
055 ELECTRICAL AND ELECTRONIC ENGINEERS 6,539

213 ELECTRICAL AND ELECTRONIC TECHNICIANS 282

215 MECHANICAL ENGINEERING TECHNICIANS 7

216 ENGINEERING TECHNICIANS, N.E.C. 191
45
225 SCIENCE TECHNICIANS, N.E.C. 73

453 JANITORS AND CLEANERS 119

538 OFFICE MACHINE REPAIRERS 431

549 NOT SPECIFIED MECHANICS AND REPAIRERS 114

575 ELECTRICIANS 90

637 MACHINISTS 133

683 ELECTRICAL AND ELECTRONIC EQUIPMENT ASSEMBLERS 1,683
1,103
777 MISCELLANEOUS MACHINE OPERATORS, N.E.C. 915

783 WELDERS AND CUTTERS 78

784 SOLDERERS AND BRAZERS 193
42
SUBTOTAL 10,848
1,190
AUTO REPAIR, SERVICES, AND GARAGES (SIC 75)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
019 MANAGERS AND ADMINISTRATORS, N.E.C. 300

505 AUTOMOBILE MECHANICS 4,128

507 BUS, TRUCK, AND STATIONARY ENGINE MECHANICS 2,009

514 AUTOMOBILE BODY AND RELATED REPAIRERS 6,422

547 SPECIFIED MECHANICS AND REPAIRERS, N.E.C. 235

633 SUPERVISORS, PRODUCTION OCCUPATIONS 299

SUBTOTAL 13,393

MISCELLANEOUS REPAIR SERVICES (SIC 76)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
216 ENGINEERING TECHNICIANS, N.E.C. 1,480
1,480
235 TECHNICIANS, N.E.C. 5,378
672
365 STOCK AND INVENTORY CLERKS 157

505 AUTOMOBILE MECHANICS 1,380

523 ELECTRONIC REPAIRERS, COMMUNICATIONS AND INDUSTRIAL EQUIPMENT 13,574

526 HOUSEHOLD APPLIANCE AND POWER TOOL REPAIRERS 248

549 NOT SPECIFIED MECHANICS AND REPAIRERS 346

585 PLUMBERS, PIPEFITTERS, AND STEAMFITTERS 471

637 MACHINISTS 2,346

787 HAND MOLDING, CASTING, AND FORMING OCCUPATIONS 293

SUBTOTAL 25,673
2,152
HEALTH SERVICES (SIC 80)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
059 ENGINEERS, N.E.C. 957
93
069 PHYSICISTS AND ASTRONOMERS 8

095 REGISTERED NURSES 105
82
203 CLINICAL LABORATORY TECHNOLOGISTS AND TECHNICIANS 520
26
206 RADIOLOGIC TECHNICIANS 123
33
213 ELECTRICAL AND ELECTRONIC TECHNICIANS 80

225 SCIENCE TECHNICIANS, N.E.C. 301

365 STOCK AND INVENTORY CLERKS 115

449 MAIDS AND HOUSEMEN 55

453 JANITORS AND CLEANERS 2,629
68
503 SUPERVISORS, MECHANICS AND REPAIRERS 9

518 INDUSTRIAL MACHINERY REPAIRERS 657

523 ELECTRONIC REPAIRERS, COMMUNICATIONS AND INDUSTRIAL EQUIPMENT 82

534 HEATING, AIR CONDITIONING, AND REFRIGERATION MECHANICS 133

547 SPECIFIED MECHANICS AND REPAIRERS, N.E.C. 444
80
549 NOT SPECIFIED MECHANICS AND REPAIRERS 190

575 ELECTRICIANS 865
7
585 PLUMBERS, PIPEFITTERS, AND STEAMFITTERS 337

637 MACHINISTS 14

696 STATIONARY ENGINEERS 200

715 MISCELLANEOUS METAL, PLASTIC, STONE, AND GLASS WORKING MACHINE OPERATORS 13

783 WELDERS AND CUTTERS 73

784 SOLDERERS AND BRAZERS 69

SUBTOTAL 7,979
389
TOTAL 748,590 237,406
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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