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 SODIUM METASILICATE
CAS # 6834-92-0
RTECS # VV9275000 
Agent Code 80079

OIL AND GAS EXTRACTION (SIC 13)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
518 INDUSTRIAL MACHINERY REPAIRERS 649
50
617 MINING OCCUPATIONS, N.E.C. 6,111

SUBTOTAL 6,760
50
GENERAL BUILDING CONTRACTORS (SIC 15)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
453 JANITORS AND CLEANERS 233

516 HEAVY EQUIPMENT MECHANICS 670

637 MACHINISTS 1,120

783 WELDERS AND CUTTERS 1,978
5
844 OPERATING ENGINEERS 189

869 CONSTRUCTION LABORERS 7,850
458
SUBTOTAL 12,040
463
HEAVY CONSTRUCTION CONTRACTORS (SIC 16)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
507 BUS, TRUCK, AND STATIONARY ENGINE MECHANICS 559

516 HEAVY EQUIPMENT MECHANICS 5,457

519 MACHINERY MAINTENANCE OCCUPATIONS 58

549 NOT SPECIFIED MECHANICS AND REPAIRERS 190

575 ELECTRICIANS 1,127

588 CONCRETE AND TERRAZZO FINISHERS 475

783 WELDERS AND CUTTERS 190

804 TRUCK DRIVERS, HEAVY 233

869 CONSTRUCTION LABORERS 7,209
570
887 VEHICLE WASHERS AND EQUIPMENT CLEANERS 108

SUBTOTAL 15,606
570
SPECIAL TRADE CONTRACTORS (SIC 17)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
453 JANITORS AND CLEANERS 715

505 AUTOMOBILE MECHANICS 2,015

516 HEAVY EQUIPMENT MECHANICS 378

533 MISCELLANEOUS ELECTRICAL AND ELECTRONIC EQUIPMENT REPAIRERS 45

547 SPECIFIED MECHANICS AND REPAIRERS, N.E.C. 245

549 NOT SPECIFIED MECHANICS AND REPAIRERS 1,692
77
585 PLUMBERS, PIPEFITTERS, AND STEAMFITTERS 6,640

777 MISCELLANEOUS MACHINE OPERATORS, N.E.C. 361

844 OPERATING ENGINEERS 3,295

869 CONSTRUCTION LABORERS 56

SUBTOTAL 15,442
77
FOOD AND KINDRED PRODUCTS (SIC 20)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
027 PERSONNEL, TRAINING, AND LABOR RELATIONS SPECIALISTS 118

053 CIVIL ENGINEERS 1,942
88
223 BIOLOGICAL TECHNICIANS 828
828
225 SCIENCE TECHNICIANS, N.E.C. 69
28
436 COOKS, EXCEPT SHORT ORDER 86

444 MISCELLANEOUS FOOD PREPARATION OCCUPATIONS 398
22
453 JANITORS AND CLEANERS 22,257
4,633
469 PERSONAL SERVICE OCCUPATIONS, N.E.C. 593
16
505 AUTOMOBILE MECHANICS 302

507 BUS, TRUCK, AND STATIONARY ENGINE MECHANICS 1,017

516 HEAVY EQUIPMENT MECHANICS 139

518 INDUSTRIAL MACHINERY REPAIRERS 103

519 MACHINERY MAINTENANCE OCCUPATIONS 127

547 SPECIFIED MECHANICS AND REPAIRERS, N.E.C. 1,734

549 NOT SPECIFIED MECHANICS AND REPAIRERS 715

579 PAINTERS, CONSTRUCTION AND MAINTENANCE 48

585 PLUMBERS, PIPEFITTERS, AND STEAMFITTERS 127

633 SUPERVISORS, PRODUCTION OCCUPATIONS 2,003
380
686 BUTCHERS AND MEAT CUTTERS 121

687 BAKERS 1,356

688 FOOD BATCHMAKERS 127
63
696 STATIONARY ENGINEERS 62

748 LAUNDERING AND DRY CLEANING MACHINE OPERATORS 83
45
754 PACKAGING AND FILLING MACHINE OPERATORS 3,784
1,279
756 MIXING AND BLENDING MACHINE OPERATORS 31

757 SEPARATING, FILTERING, AND CLARIFYING MACHINE OPERATORS 206

764 WASHING, CLEANING, AND PICKLING MACHINE OPERATORS 430
143
766 FURNACE, KILN, AND OVEN OPERATORS, EXC. FOOD 48

777 MISCELLANEOUS MACHINE OPERATORS, N.E.C. 5,232
2,217
779 MACHINE OPERATORS, NOT SPECIFIED 4,624
3,231
785 ASSEMBLERS 887
443
796 PRODUCTION INSPECTORS, CHECKERS, AND EXAMINERS 11,466
4,434
799 GRADERS AND SORTERS, EXCEPT AGRICULTURAL 190
190
856 INDUSTRIAL TRUCK AND TRACTOR EQUIPMENT OPERATORS 2,470
63
873 PRODUCTION HELPERS 787
26
887 VEHICLE WASHERS AND EQUIPMENT CLEANERS 6,431
773
888 HAND PACKERS AND PACKAGERS 767
767
889 LABORERS, EXCEPT CONSTRUCTION 7,969
950
SUBTOTAL 79,677
20,619
TOBACCO MANUFACTURES (SIC 21)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
549 NOT SPECIFIED MECHANICS AND REPAIRERS 1,278

637 MACHINISTS 129

SUBTOTAL 1,407

TEXTILE MILL PRODUCTS (SIC 22)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
216 ENGINEERING TECHNICIANS, N.E.C. 23

453 JANITORS AND CLEANERS 2,544
155
518 INDUSTRIAL MACHINERY REPAIRERS 1,861
1,009
547 SPECIFIED MECHANICS AND REPAIRERS, N.E.C. 68

637 MACHINISTS 295

739 KNITTING, LOOPING, TAPING, AND WEAVING MACHINE OPERATORS 5,175
1,964
749 MISCELLANEOUS TEXTILE MACHINE OPERATORS 2,266
604
756 MIXING AND BLENDING MACHINE OPERATORS 501

777 MISCELLANEOUS MACHINE OPERATORS, N.E.C. 784
181
779 MACHINE OPERATORS, NOT SPECIFIED 385

785 ASSEMBLERS 79
34
873 PRODUCTION HELPERS 206
79
887 VEHICLE WASHERS AND EQUIPMENT CLEANERS 372
139
SUBTOTAL 14,559
4,165
APPAREL AND OTHER TEXTILE PRODUCTS (SIC 23)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
444 MISCELLANEOUS FOOD PREPARATION OCCUPATIONS 134
134
453 JANITORS AND CLEANERS 485
171
667 TAILORS 434

779 MACHINE OPERATORS, NOT SPECIFIED 4,635
4,359
796 PRODUCTION INSPECTORS, CHECKERS, AND EXAMINERS 250
117
887 VEHICLE WASHERS AND EQUIPMENT CLEANERS 22

888 HAND PACKERS AND PACKAGERS 802
682
SUBTOTAL 6,762
5,463
LUMBER AND WOOD PRODUCTS (SIC 24)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
335 FILE CLERKS 192

453 JANITORS AND CLEANERS 1,711

544 MILLWRIGHTS 605

637 MACHINISTS 2,987
171
883 FREIGHT, STOCK, AND MATERIAL MOVERS, HAND, N.E.C. 45

888 HAND PACKERS AND PACKAGERS 90

889 LABORERS, EXCEPT CONSTRUCTION 608

SUBTOTAL 6,238
171
FURNITURE AND FIXTURES (SIC 25)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
633 SUPERVISORS, PRODUCTION OCCUPATIONS 115

873 PRODUCTION HELPERS 576

SUBTOTAL 691

PAPER AND ALLIED PRODUCTS (SIC 26)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
453 JANITORS AND CLEANERS 2,836
651
518 INDUSTRIAL MACHINERY REPAIRERS 1,723

549 NOT SPECIFIED MECHANICS AND REPAIRERS 1,989

633 SUPERVISORS, PRODUCTION OCCUPATIONS 324

719 MOLDING AND CASTING MACHINE OPERATORS 3,348
279
734 PRINTING MACHINE OPERATORS 608

735 PHOTOENGRAVERS AND LITHOGRAPHERS 321

756 MIXING AND BLENDING MACHINE OPERATORS 148

757 SEPARATING, FILTERING, AND CLARIFYING MACHINE OPERATORS 11

764 WASHING, CLEANING, AND PICKLING MACHINE OPERATORS 95

766 FURNACE, KILN, AND OVEN OPERATORS, EXC. FOOD 180

777 MISCELLANEOUS MACHINE OPERATORS, N.E.C. 2,165
27
779 MACHINE OPERATORS, NOT SPECIFIED 4,239

887 VEHICLE WASHERS AND EQUIPMENT CLEANERS 355

889 LABORERS, EXCEPT CONSTRUCTION 515

SUBTOTAL 18,857
957
PRINTING AND PUBLISHING (SIC 27)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
188 PAINTERS, SCULPTORS, CRAFT-ARTISTS, AND ARTIST PRINTMAKERS 736
473
189 PHOTOGRAPHERS 782

235 TECHNICIANS, N.E.C. 13

346 MAIL PREPARING AND PAPER HANDLING MACHINE OPERATORS 38

385 DATA-ENTRY KEYERS 568
568
453 JANITORS AND CLEANERS 1,616
333
518 INDUSTRIAL MACHINERY REPAIRERS 262

549 NOT SPECIFIED MECHANICS AND REPAIRERS 145

575 ELECTRICIANS 87

719 MOLDING AND CASTING MACHINE OPERATORS 273

723 METAL PLATING MACHINE OPERATORS 513

734 PRINTING MACHINE OPERATORS 33,725
3,668
735 PHOTOENGRAVERS AND LITHOGRAPHERS 1,266
132
737 MISCELLANEOUS PRINTING MACHINE OPERATORS 568
284
753 CEMENTING AND GLUING MACHINE OPERATORS 1,414

774 PHOTOGRAPHIC PROCESS MACHINE OPERATORS 790
54
779 MACHINE OPERATORS, NOT SPECIFIED 279

873 PRODUCTION HELPERS 959

SUBTOTAL 44,034
5,512
CHEMICALS AND ALLIED PRODUCTS (SIC 28)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
019 MANAGERS AND ADMINISTRATORS, N.E.C. 87
87
048 CHEMICAL ENGINEERS 3

073 CHEMISTS, EXCEPT BIOCHEMISTS 3

185 DESIGNERS 398
3
223 BIOLOGICAL TECHNICIANS 453
453
224 CHEMICAL TECHNICIANS 139
31
235 TECHNICIANS, N.E.C. 12
12
364 TRAFFIC, SHIPPING, AND RECEIVING CLERKS 160

444 MISCELLANEOUS FOOD PREPARATION OCCUPATIONS 96
96
453 JANITORS AND CLEANERS 3,505
144
535 CAMERA, WATCH, AND MUSICAL INSTRUMENT REPAIRERS 16

549 NOT SPECIFIED MECHANICS AND REPAIRERS 490
8
575 ELECTRICIANS 3

633 SUPERVISORS, PRODUCTION OCCUPATIONS 19

637 MACHINISTS 16

696 STATIONARY ENGINEERS 67

699 MISCELLANEOUS PLANT AND SYSTEM OPERATORS 58
3
748 LAUNDERING AND DRY CLEANING MACHINE OPERATORS 66
13
754 PACKAGING AND FILLING MACHINE OPERATORS 923
522
755 EXTRUDING AND FORMING MACHINE OPERATORS 118
31
756 MIXING AND BLENDING MACHINE OPERATORS 2,228
45
757 SEPARATING, FILTERING, AND CLARIFYING MACHINE OPERATORS 94

759 PAINTING AND PAINT SPRAYING MACHINE OPERATORS 43
11
766 FURNACE, KILN, AND OVEN OPERATORS, EXC. FOOD 904
18
777 MISCELLANEOUS MACHINE OPERATORS, N.E.C. 2,760
1,662
779 MACHINE OPERATORS, NOT SPECIFIED 1,421
1,034
783 WELDERS AND CUTTERS 221

796 PRODUCTION INSPECTORS, CHECKERS, AND EXAMINERS 594
390
856 INDUSTRIAL TRUCK AND TRACTOR EQUIPMENT OPERATORS 123
15
887 VEHICLE WASHERS AND EQUIPMENT CLEANERS 13

888 HAND PACKERS AND PACKAGERS 254
82
889 LABORERS, EXCEPT CONSTRUCTION 1,146
56
SUBTOTAL 16,433
4,716
PETROLEUM AND COAL PRODUCTS (SIC 29)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
699 MISCELLANEOUS PLANT AND SYSTEM OPERATORS 77

766 FURNACE, KILN, AND OVEN OPERATORS, EXC. FOOD 28

777 MISCELLANEOUS MACHINE OPERATORS, N.E.C. 126

779 MACHINE OPERATORS, NOT SPECIFIED 5,593

SUBTOTAL 5,824

RUBBER AND MISC. PLASTICS PRODUCTS (SIC 30)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
453 JANITORS AND CLEANERS 1,272
124
549 NOT SPECIFIED MECHANICS AND REPAIRERS 47

684 MISCELLANEOUS PRECISION WORKERS, N.E.C. 121

706 PUNCHING AND STAMPING PRESS MACHINE OPERATORS 1,111
802
756 MIXING AND BLENDING MACHINE OPERATORS 224

799 GRADERS AND SORTERS, EXCEPT AGRICULTURAL 346
346
SUBTOTAL 3,121
1,272
LEATHER AND LEATHER PRODUCTS (SIC 31)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
368 WEIGHERS, MEASURERS, AND CHECKERS 33

777 MISCELLANEOUS MACHINE OPERATORS, N.E.C. 458

795 MISCELLANEOUS HAND WORKING OCCUPATIONS 295

SUBTOTAL 786

STONE, CLAY, AND GLASS PRODUCTS (SIC 32)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
059 ENGINEERS, N.E.C. 12

216 ENGINEERING TECHNICIANS, N.E.C. 41
17
453 JANITORS AND CLEANERS 3,005
37
507 BUS, TRUCK, AND STATIONARY ENGINE MECHANICS 32

518 INDUSTRIAL MACHINERY REPAIRERS 297

575 ELECTRICIANS 73

696 STATIONARY ENGINEERS 331

709 GRINDING, ABRADING, BUFFING, AND POLISHING MACHINE OPERATORS 168
117
768 CRUSHING AND GRINDING MACHINE OPERATORS 67
67
783 WELDERS AND CUTTERS 194

878 MACHINE FEEDERS AND OFFBEARERS 235
201
887 VEHICLE WASHERS AND EQUIPMENT CLEANERS 84
84
SUBTOTAL 4,539
523
PRIMARY METAL INDUSTRIES (SIC 33)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
053 CIVIL ENGINEERS 34

453 JANITORS AND CLEANERS 3,440
143
505 AUTOMOBILE MECHANICS 285

507 BUS, TRUCK, AND STATIONARY ENGINE MECHANICS 222

534 HEATING, AIR CONDITIONING, AND REFRIGERATION MECHANICS 68

547 SPECIFIED MECHANICS AND REPAIRERS, N.E.C. 159

549 NOT SPECIFIED MECHANICS AND REPAIRERS 51

563 BRICKMASONS AND STONEMASONS 95

575 ELECTRICIANS 473

633 SUPERVISORS, PRODUCTION OCCUPATIONS 154

637 MACHINISTS 658

684 MISCELLANEOUS PRECISION WORKERS, N.E.C. 194

696 STATIONARY ENGINEERS 11

706 PUNCHING AND STAMPING PRESS MACHINE OPERATORS 82

709 GRINDING, ABRADING, BUFFING, AND POLISHING MACHINE OPERATORS 276

715 MISCELLANEOUS METAL, PLASTIC, STONE, AND GLASS WORKING MACHINE OPERATORS 37

723 METAL PLATING MACHINE OPERATORS 237
7
724 HEAT TREATING EQUIPMENT OPERATORS 2,288

725 MISCELLANEOUS METAL AND PLASTIC PROCESSING MACHINE OPERATORS 49

755 EXTRUDING AND FORMING MACHINE OPERATORS 1,411

757 SEPARATING, FILTERING, AND CLARIFYING MACHINE OPERATORS 5

777 MISCELLANEOUS MACHINE OPERATORS, N.E.C. 252

779 MACHINE OPERATORS, NOT SPECIFIED 685

783 WELDERS AND CUTTERS 3

796 PRODUCTION INSPECTORS, CHECKERS, AND EXAMINERS 187
75
849 CRANE AND TOWER OPERATORS 30

873 PRODUCTION HELPERS 262

887 VEHICLE WASHERS AND EQUIPMENT CLEANERS 29

889 LABORERS, EXCEPT CONSTRUCTION 332

SUBTOTAL 12,009
225
FABRICATED METAL PRODUCTS (SIC 34)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
019 MANAGERS AND ADMINISTRATORS, N.E.C. 129

073 CHEMISTS, EXCEPT BIOCHEMISTS 470

216 ENGINEERING TECHNICIANS, N.E.C. 190
68
225 SCIENCE TECHNICIANS, N.E.C. 42

364 TRAFFIC, SHIPPING, AND RECEIVING CLERKS 80

365 STOCK AND INVENTORY CLERKS 322
6
453 JANITORS AND CLEANERS 3,831
138
505 AUTOMOBILE MECHANICS 32

507 BUS, TRUCK, AND STATIONARY ENGINE MECHANICS 158

543 ELEVATOR INSTALLERS AND REPAIRERS 149

544 MILLWRIGHTS 22

597 STRUCTURAL METAL WORKERS 258

633 SUPERVISORS, PRODUCTION OCCUPATIONS 622

637 MACHINISTS 2,085
23
684 MISCELLANEOUS PRECISION WORKERS, N.E.C. 1,138
455
689 INSPECTORS, TESTERS, AND GRADERS 71
48
695 POWER PLANT OPERATORS 78

696 STATIONARY ENGINEERS 26

703 LATHE AND TURNING MACHINE SET-UP OPERATORS 59

704 LATHE AND TURNING MACHINE OPERATORS 1,309
322
705 MILLING AND PLANING MACHINE OPERATORS 987

706 PUNCHING AND STAMPING PRESS MACHINE OPERATORS 286
230
707 ROLLING MACHINE OPERATORS 957
658
708 DRILLING AND BORING MACHINE OPERATORS 554
257
709 GRINDING, ABRADING, BUFFING, AND POLISHING MACHINE OPERATORS 775

717 FABRICATING MACHINE OPERATORS, N.E.C. 107

719 MOLDING AND CASTING MACHINE OPERATORS 95

723 METAL PLATING MACHINE OPERATORS 11,892
478
724 HEAT TREATING EQUIPMENT OPERATORS 164

725 MISCELLANEOUS METAL AND PLASTIC PROCESSING MACHINE OPERATORS 394
376
748 LAUNDERING AND DRY CLEANING MACHINE OPERATORS 18

756 MIXING AND BLENDING MACHINE OPERATORS 131

759 PAINTING AND PAINT SPRAYING MACHINE OPERATORS 139

764 WASHING, CLEANING, AND PICKLING MACHINE OPERATORS 92

777 MISCELLANEOUS MACHINE OPERATORS, N.E.C. 2,872
326
779 MACHINE OPERATORS, NOT SPECIFIED 1,869
407
783 WELDERS AND CUTTERS 774

785 ASSEMBLERS 3,936
636
796 PRODUCTION INSPECTORS, CHECKERS, AND EXAMINERS 239

804 TRUCK DRIVERS, HEAVY 626

848 HOIST AND WINCH OPERATORS 214

849 CRANE AND TOWER OPERATORS 123

859 MISCELLANEOUS MATERIAL MOVING EQUIPMENT OPERATORS 581

873 PRODUCTION HELPERS 226

878 MACHINE FEEDERS AND OFFBEARERS 1,409
1,409
883 FREIGHT, STOCK, AND MATERIAL MOVERS, HAND, N.E.C. 1,673
19
887 VEHICLE WASHERS AND EQUIPMENT CLEANERS 878

889 LABORERS, EXCEPT CONSTRUCTION 111
89
SUBTOTAL 43,193
5,945
MACHINERY, EXCEPT ELECTRICAL (SIC 35)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
073 CHEMISTS, EXCEPT BIOCHEMISTS 96
32
189 PHOTOGRAPHERS 46

213 ELECTRICAL AND ELECTRONIC TECHNICIANS 97
58
215 MECHANICAL ENGINEERING TECHNICIANS 58

224 CHEMICAL TECHNICIANS 46
7
235 TECHNICIANS, N.E.C. 905
21
363 PRODUCTION COORDINATORS 57

364 TRAFFIC, SHIPPING, AND RECEIVING CLERKS 83

365 STOCK AND INVENTORY CLERKS 214

444 MISCELLANEOUS FOOD PREPARATION OCCUPATIONS 23
17
453 JANITORS AND CLEANERS 11,299
1,181
459 ATTENDANTS, AMUSEMENT AND RECREATION FACILITIES 61

469 PERSONAL SERVICE OCCUPATIONS, N.E.C. 31

517 FARM EQUIPMENT MECHANICS 16

518 INDUSTRIAL MACHINERY REPAIRERS 1,649

519 MACHINERY MAINTENANCE OCCUPATIONS 46

534 HEATING, AIR CONDITIONING, AND REFRIGERATION MECHANICS 469

549 NOT SPECIFIED MECHANICS AND REPAIRERS 1,465
199
575 ELECTRICIANS 206

633 SUPERVISORS, PRODUCTION OCCUPATIONS 316

634 TOOL AND DIE MAKERS 2,953

637 MACHINISTS 13,921
27
684 MISCELLANEOUS PRECISION WORKERS, N.E.C. 2,317
56
694 WATER AND SEWAGE TREATMENT PLANT OPERATORS 8

703 LATHE AND TURNING MACHINE SET-UP OPERATORS 385

704 LATHE AND TURNING MACHINE OPERATORS 806

706 PUNCHING AND STAMPING PRESS MACHINE OPERATORS 1,083
281
708 DRILLING AND BORING MACHINE OPERATORS 25

709 GRINDING, ABRADING, BUFFING, AND POLISHING MACHINE OPERATORS 2,375
347
713 FORGING MACHINE OPERATORS 338

715 MISCELLANEOUS METAL, PLASTIC, STONE, AND GLASS WORKING MACHINE OPERATORS 8

723 METAL PLATING MACHINE OPERATORS 881
69
724 HEAT TREATING EQUIPMENT OPERATORS 604
63
725 MISCELLANEOUS METAL AND PLASTIC PROCESSING MACHINE OPERATORS 243
128
734 PRINTING MACHINE OPERATORS 69
4
758 COMPRESSING AND COMPACTING MACHINE OPERATORS 464
77
759 PAINTING AND PAINT SPRAYING MACHINE OPERATORS 948

766 FURNACE, KILN, AND OVEN OPERATORS, EXC. FOOD 154

769 SLICING AND CUTTING MACHINE OPERATORS 420
126
777 MISCELLANEOUS MACHINE OPERATORS, N.E.C. 2,062
156
779 MACHINE OPERATORS, NOT SPECIFIED 10,276
463
783 WELDERS AND CUTTERS 2,352
10
784 SOLDERERS AND BRAZERS 154

785 ASSEMBLERS 7,180
934
789 HAND PAINTING, COATING, AND DECORATING OCCUPATIONS 77

793 HAND ENGRAVING AND PRINTING OCCUPATIONS 526
33
796 PRODUCTION INSPECTORS, CHECKERS, AND EXAMINERS 340

797 PRODUCTION TESTERS 1,118
233
856 INDUSTRIAL TRUCK AND TRACTOR EQUIPMENT OPERATORS 193

859 MISCELLANEOUS MATERIAL MOVING EQUIPMENT OPERATORS 402
120
873 PRODUCTION HELPERS 171

883 FREIGHT, STOCK, AND MATERIAL MOVERS, HAND, N.E.C. 317
79
887 VEHICLE WASHERS AND EQUIPMENT CLEANERS 129

889 LABORERS, EXCEPT CONSTRUCTION 1,785
419
SUBTOTAL 72,267
5,140
ELECTRIC AND ELECTRONIC EQUIPMENT (SIC 36)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
213 ELECTRICAL AND ELECTRONIC TECHNICIANS 876
334
215 MECHANICAL ENGINEERING TECHNICIANS 116
69
364 TRAFFIC, SHIPPING, AND RECEIVING CLERKS 274
196
365 STOCK AND INVENTORY CLERKS 13
2
453 JANITORS AND CLEANERS 3,008
503
469 PERSONAL SERVICE OCCUPATIONS, N.E.C. 238
98
518 INDUSTRIAL MACHINERY REPAIRERS 69

519 MACHINERY MAINTENANCE OCCUPATIONS 47

533 MISCELLANEOUS ELECTRICAL AND ELECTRONIC EQUIPMENT REPAIRERS 19

547 SPECIFIED MECHANICS AND REPAIRERS, N.E.C. 13

549 NOT SPECIFIED MECHANICS AND REPAIRERS 93

585 PLUMBERS, PIPEFITTERS, AND STEAMFITTERS 5

634 TOOL AND DIE MAKERS 101

637 MACHINISTS 1,383
68
644 PRECISION GRINDERS, FITTERS, AND TOOL SHARPENERS 10

653 SHEET METAL WORKERS 116

684 MISCELLANEOUS PRECISION WORKERS, N.E.C. 31
10
689 INSPECTORS, TESTERS, AND GRADERS 216
33
695 POWER PLANT OPERATORS 131

703 LATHE AND TURNING MACHINE SET-UP OPERATORS 97

704 LATHE AND TURNING MACHINE OPERATORS 73

706 PUNCHING AND STAMPING PRESS MACHINE OPERATORS 21
21
708 DRILLING AND BORING MACHINE OPERATORS 104

709 GRINDING, ABRADING, BUFFING, AND POLISHING MACHINE OPERATORS 31
10
715 MISCELLANEOUS METAL, PLASTIC, STONE, AND GLASS WORKING MACHINE OPERATORS 42
10
719 MOLDING AND CASTING MACHINE OPERATORS 167

723 METAL PLATING MACHINE OPERATORS 3,367
502
724 HEAT TREATING EQUIPMENT OPERATORS 182

749 MISCELLANEOUS TEXTILE MACHINE OPERATORS 52
26
754 PACKAGING AND FILLING MACHINE OPERATORS 1,105
788
755 EXTRUDING AND FORMING MACHINE OPERATORS 905
677
756 MIXING AND BLENDING MACHINE OPERATORS 133
88
759 PAINTING AND PAINT SPRAYING MACHINE OPERATORS 2,521
466
766 FURNACE, KILN, AND OVEN OPERATORS, EXC. FOOD 123

777 MISCELLANEOUS MACHINE OPERATORS, N.E.C. 496
198
779 MACHINE OPERATORS, NOT SPECIFIED 2,421
1,155
783 WELDERS AND CUTTERS 23
9
784 SOLDERERS AND BRAZERS 108
20
785 ASSEMBLERS 642
214
796 PRODUCTION INSPECTORS, CHECKERS, AND EXAMINERS 174
7
859 MISCELLANEOUS MATERIAL MOVING EQUIPMENT OPERATORS 7

887 VEHICLE WASHERS AND EQUIPMENT CLEANERS 10

889 LABORERS, EXCEPT CONSTRUCTION 123

SUBTOTAL 19,686
5,504
TRANSPORTATION EQUIPMENT (SIC 37)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
057 MECHANICAL ENGINEERS 383
14
215 MECHANICAL ENGINEERING TECHNICIANS 567

216 ENGINEERING TECHNICIANS, N.E.C. 403
3
224 CHEMICAL TECHNICIANS 3
3
363 PRODUCTION COORDINATORS 4,411

364 TRAFFIC, SHIPPING, AND RECEIVING CLERKS 244

365 STOCK AND INVENTORY CLERKS 6

453 JANITORS AND CLEANERS 10,418
405
505 AUTOMOBILE MECHANICS 1,926
288
507 BUS, TRUCK, AND STATIONARY ENGINE MECHANICS 116

518 INDUSTRIAL MACHINERY REPAIRERS 480

519 MACHINERY MAINTENANCE OCCUPATIONS 202
3
547 SPECIFIED MECHANICS AND REPAIRERS, N.E.C. 19

549 NOT SPECIFIED MECHANICS AND REPAIRERS 829

575 ELECTRICIANS 204

579 PAINTERS, CONSTRUCTION AND MAINTENANCE 335
297
633 SUPERVISORS, PRODUCTION OCCUPATIONS 113

634 TOOL AND DIE MAKERS 14

637 MACHINISTS 7,243
11
689 INSPECTORS, TESTERS, AND GRADERS 144

695 POWER PLANT OPERATORS 409

696 STATIONARY ENGINEERS 28

704 LATHE AND TURNING MACHINE OPERATORS 148

706 PUNCHING AND STAMPING PRESS MACHINE OPERATORS 2,019
128
709 GRINDING, ABRADING, BUFFING, AND POLISHING MACHINE OPERATORS 1,209

715 MISCELLANEOUS METAL, PLASTIC, STONE, AND GLASS WORKING MACHINE OPERATORS 29

723 METAL PLATING MACHINE OPERATORS 2,569
26
724 HEAT TREATING EQUIPMENT OPERATORS 241

725 MISCELLANEOUS METAL AND PLASTIC PROCESSING MACHINE OPERATORS 201

734 PRINTING MACHINE OPERATORS 26
14
753 CEMENTING AND GLUING MACHINE OPERATORS 646
530
756 MIXING AND BLENDING MACHINE OPERATORS 7

758 COMPRESSING AND COMPACTING MACHINE OPERATORS 206

759 PAINTING AND PAINT SPRAYING MACHINE OPERATORS 573

766 FURNACE, KILN, AND OVEN OPERATORS, EXC. FOOD 220

769 SLICING AND CUTTING MACHINE OPERATORS 258
20
777 MISCELLANEOUS MACHINE OPERATORS, N.E.C. 1,149
76
779 MACHINE OPERATORS, NOT SPECIFIED 3,533
12
783 WELDERS AND CUTTERS 127

785 ASSEMBLERS 7,551
527
796 PRODUCTION INSPECTORS, CHECKERS, AND EXAMINERS 261
113
856 INDUSTRIAL TRUCK AND TRACTOR EQUIPMENT OPERATORS 81

873 PRODUCTION HELPERS 56

887 VEHICLE WASHERS AND EQUIPMENT CLEANERS 826
17
888 HAND PACKERS AND PACKAGERS 306

889 LABORERS, EXCEPT CONSTRUCTION 2,200
28
SUBTOTAL 52,939
2,515
INSTRUMENTS AND RELATED PRODUCTS (SIC 38)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
073 CHEMISTS, EXCEPT BIOCHEMISTS 24

188 PAINTERS, SCULPTORS, CRAFT-ARTISTS, AND ARTIST PRINTMAKERS 27
27
235 TECHNICIANS, N.E.C. 2,916
1,504
364 TRAFFIC, SHIPPING, AND RECEIVING CLERKS 116
37
379 GENERAL OFFICE CLERKS 69

444 MISCELLANEOUS FOOD PREPARATION OCCUPATIONS 125
125
453 JANITORS AND CLEANERS 1,088
148
637 MACHINISTS 883
53
647 PRECIOUS STONES AND METALS WORKERS (JEWELERS) 222
148
677 OPTICAL GOODS WORKERS 156
109
683 ELECTRICAL AND ELECTRONIC EQUIPMENT ASSEMBLERS 977
11
684 MISCELLANEOUS PRECISION WORKERS, N.E.C. 581
75
706 PUNCHING AND STAMPING PRESS MACHINE OPERATORS 205
40
717 FABRICATING MACHINE OPERATORS, N.E.C. 1,345
772
719 MOLDING AND CASTING MACHINE OPERATORS 219

723 METAL PLATING MACHINE OPERATORS 3,055
1,252
748 LAUNDERING AND DRY CLEANING MACHINE OPERATORS 55
55
764 WASHING, CLEANING, AND PICKLING MACHINE OPERATORS 125
125
769 SLICING AND CUTTING MACHINE OPERATORS 159

774 PHOTOGRAPHIC PROCESS MACHINE OPERATORS 35
14
777 MISCELLANEOUS MACHINE OPERATORS, N.E.C. 100
12
779 MACHINE OPERATORS, NOT SPECIFIED 796

784 SOLDERERS AND BRAZERS 14

785 ASSEMBLERS 1,136
943
796 PRODUCTION INSPECTORS, CHECKERS, AND EXAMINERS 385
225
859 MISCELLANEOUS MATERIAL MOVING EQUIPMENT OPERATORS 45

SUBTOTAL 14,858
5,675
MISCELLANEOUS MANUFACTURING INDUSTRIES (SIC 39)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
188 PAINTERS, SCULPTORS, CRAFT-ARTISTS, AND ARTIST PRINTMAKERS 119
30
365 STOCK AND INVENTORY CLERKS 1,609
408
453 JANITORS AND CLEANERS 395

704 LATHE AND TURNING MACHINE OPERATORS 814

706 PUNCHING AND STAMPING PRESS MACHINE OPERATORS 314
314
723 METAL PLATING MACHINE OPERATORS 770
181
756 MIXING AND BLENDING MACHINE OPERATORS 51
34
766 FURNACE, KILN, AND OVEN OPERATORS, EXC. FOOD 14

769 SLICING AND CUTTING MACHINE OPERATORS 793
23
777 MISCELLANEOUS MACHINE OPERATORS, N.E.C. 1,420
181
785 ASSEMBLERS 3,421
912
796 PRODUCTION INSPECTORS, CHECKERS, AND EXAMINERS 223

804 TRUCK DRIVERS, HEAVY 74

859 MISCELLANEOUS MATERIAL MOVING EQUIPMENT OPERATORS 127

887 VEHICLE WASHERS AND EQUIPMENT CLEANERS 145
121
888 HAND PACKERS AND PACKAGERS 627
386
889 LABORERS, EXCEPT CONSTRUCTION 264

SUBTOTAL 11,180
2,590
RAILROAD TRANSPORTATION (SIC 40)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
453 JANITORS AND CLEANERS 1,351
392
585 PLUMBERS, PIPEFITTERS, AND STEAMFITTERS 174

SUBTOTAL 1,525
392
LOCAL AND INTERURBAN PASSENGER TRANSIT (SIC 41)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
516 HEAVY EQUIPMENT MECHANICS 727

SUBTOTAL 727

TRUCKING AND WAREHOUSING (SIC 42)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
453 JANITORS AND CLEANERS 1,786
131
507 BUS, TRUCK, AND STATIONARY ENGINE MECHANICS 12,661

549 NOT SPECIFIED MECHANICS AND REPAIRERS 339

686 BUTCHERS AND MEAT CUTTERS 2,691
1,196
734 PRINTING MACHINE OPERATORS 25

887 VEHICLE WASHERS AND EQUIPMENT CLEANERS 110
2
889 LABORERS, EXCEPT CONSTRUCTION 490
445
SUBTOTAL 18,102
1,774
WATER TRANSPORTATION (SIC 44)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
889 LABORERS, EXCEPT CONSTRUCTION 172

SUBTOTAL 172

TRANSPORTATION BY AIR (SIC 45)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
453 JANITORS AND CLEANERS 5,452

505 AUTOMOBILE MECHANICS 870

507 BUS, TRUCK, AND STATIONARY ENGINE MECHANICS 933

508 AIRCRAFT ENGINE MECHANICS 11,359
300
515 AIRCRAFT MECHANICS, EXC. ENGINE 338
9
684 MISCELLANEOUS PRECISION WORKERS, N.E.C. 636

689 INSPECTORS, TESTERS, AND GRADERS 14

723 METAL PLATING MACHINE OPERATORS 148

759 PAINTING AND PAINT SPRAYING MACHINE OPERATORS 24

777 MISCELLANEOUS MACHINE OPERATORS, N.E.C. 179

887 VEHICLE WASHERS AND EQUIPMENT CLEANERS 94

SUBTOTAL 20,047
309
TRANSPORTATION SERVICES (SIC 47)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
889 LABORERS, EXCEPT CONSTRUCTION 86

SUBTOTAL 86

COMMUNICATION (SIC 48)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
185 DESIGNERS 332

188 PAINTERS, SCULPTORS, CRAFT-ARTISTS, AND ARTIST PRINTMAKERS 510
367
453 JANITORS AND CLEANERS 2,717
387
529 TELEPHONE INSTALLERS AND REPAIRERS 542

SUBTOTAL 4,101
754
ELECTRIC, GAS, AND SANITARY SERVICES (SIC 49)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
213 ELECTRICAL AND ELECTRONIC TECHNICIANS 433
173
389 ADMINISTRATIVE SUPPORT OCCUPATIONS, N.E.C. 70

453 JANITORS AND CLEANERS 8,949
180
503 SUPERVISORS, MECHANICS AND REPAIRERS 210

505 AUTOMOBILE MECHANICS 1,370

549 NOT SPECIFIED MECHANICS AND REPAIRERS 2,143

585 PLUMBERS, PIPEFITTERS, AND STEAMFITTERS 1,964

759 PAINTING AND PAINT SPRAYING MACHINE OPERATORS 53

SUBTOTAL 15,192
353
WHOLESALE TRADE - DURABLE GOODS (SIC 50)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
453 JANITORS AND CLEANERS 828
178
505 AUTOMOBILE MECHANICS 6,472

514 AUTOMOBILE BODY AND RELATED REPAIRERS 507

547 SPECIFIED MECHANICS AND REPAIRERS, N.E.C. 1,267

549 NOT SPECIFIED MECHANICS AND REPAIRERS 176

633 SUPERVISORS, PRODUCTION OCCUPATIONS 840

684 MISCELLANEOUS PRECISION WORKERS, N.E.C. 398

706 PUNCHING AND STAMPING PRESS MACHINE OPERATORS 5,039
5,039
887 VEHICLE WASHERS AND EQUIPMENT CLEANERS 204

SUBTOTAL 15,731
5,217
WHOLESALE TRADE - NONDURABLE GOODS (SIC 51)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
453 JANITORS AND CLEANERS 1,359

549 NOT SPECIFIED MECHANICS AND REPAIRERS 666

804 TRUCK DRIVERS, HEAVY 2,379

859 MISCELLANEOUS MATERIAL MOVING EQUIPMENT OPERATORS 179

889 LABORERS, EXCEPT CONSTRUCTION 925

SUBTOTAL 5,508

AUTOMOTIVE DEALERS & SERVICE STATIONS (SIC 55)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
243 SUPERVISORS AND PROPRIETORS, SALES OCCUPATIONS 307

365 STOCK AND INVENTORY CLERKS 427
427
444 MISCELLANEOUS FOOD PREPARATION OCCUPATIONS 2,283
2,100
453 JANITORS AND CLEANERS 1,099

505 AUTOMOBILE MECHANICS 11,152

514 AUTOMOBILE BODY AND RELATED REPAIRERS 427

547 SPECIFIED MECHANICS AND REPAIRERS, N.E.C. 234

549 NOT SPECIFIED MECHANICS AND REPAIRERS 2,087

633 SUPERVISORS, PRODUCTION OCCUPATIONS 427

668 UPHOLSTERERS 1,280

759 PAINTING AND PAINT SPRAYING MACHINE OPERATORS 427

804 TRUCK DRIVERS, HEAVY 307

885 GARAGE AND SERVICE STATION RELATED OCCUPATIONS 8,621
293
SUBTOTAL 29,078
2,820
PERSONAL SERVICES (SIC 72)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
018 FUNERAL DIRECTORS 2,427
485
019 MANAGERS AND ADMINISTRATORS, N.E.C. 548

274 SALES WORKERS, OTHER COMMODITIES 299
299
453 JANITORS AND CLEANERS 721

458 HAIRDRESSERS AND COSMETOLOGISTS 26,413
20,474
518 INDUSTRIAL MACHINERY REPAIRERS 392

633 SUPERVISORS, PRODUCTION OCCUPATIONS 91

747 PRESSING MACHINE OPERATORS 738
518
748 LAUNDERING AND DRY CLEANING MACHINE OPERATORS 29,480
14,681
779 MACHINE OPERATORS, NOT SPECIFIED 2,566
1,711
806 DRIVER-SALES WORKERS 1,110

888 HAND PACKERS AND PACKAGERS 299
299
889 LABORERS, EXCEPT CONSTRUCTION 185

SUBTOTAL 65,269
38,467
BUSINESS SERVICES (SIC 73)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
073 CHEMISTS, EXCEPT BIOCHEMISTS 1,248
330
078 BIOLOGICAL AND LIFE SCIENTISTS 75
56
213 ELECTRICAL AND ELECTRONIC TECHNICIANS 588
47
216 ENGINEERING TECHNICIANS, N.E.C. 1,096
957
235 TECHNICIANS, N.E.C. 3,057
281
365 STOCK AND INVENTORY CLERKS 39

448 SUPERVISORS, CLEANING AND BUILDING SERVICE WORKERS 948
419
453 JANITORS AND CLEANERS 125,532
53,722
779 MACHINE OPERATORS, NOT SPECIFIED 337
67
875 GARBAGE COLLECTORS 781
78
889 LABORERS, EXCEPT CONSTRUCTION 818

SUBTOTAL 134,519
55,957
AUTO REPAIR, SERVICES, AND GARAGES (SIC 75)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
505 AUTOMOBILE MECHANICS 4,659

507 BUS, TRUCK, AND STATIONARY ENGINE MECHANICS 11,322

514 AUTOMOBILE BODY AND RELATED REPAIRERS 1,536

516 HEAVY EQUIPMENT MECHANICS 1,480

549 NOT SPECIFIED MECHANICS AND REPAIRERS 1,532

633 SUPERVISORS, PRODUCTION OCCUPATIONS 598

637 MACHINISTS 2,503

887 VEHICLE WASHERS AND EQUIPMENT CLEANERS 5,840
235
SUBTOTAL 29,470
235
MISCELLANEOUS REPAIR SERVICES (SIC 76)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
538 OFFICE MACHINE REPAIRERS 3,670

549 NOT SPECIFIED MECHANICS AND REPAIRERS 1,887

634 TOOL AND DIE MAKERS 214

637 MACHINISTS 1,687

SUBTOTAL 7,458

HEALTH SERVICES (SIC 80)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
027 PERSONNEL, TRAINING, AND LABOR RELATIONS SPECIALISTS 2,784
1,631
033 PURCHASING AGENTS AND BUYERS, N.E.C. 251
174
059 ENGINEERS, N.E.C. 52

083 MEDICAL SCIENTISTS 237
199
084 PHYSICIANS 520
460
095 REGISTERED NURSES 18,115
14,611
098 INHALATION THERAPISTS 3,127
2,146
099 OCCUPATIONAL THERAPISTS 31
31
103 PHYSICAL THERAPISTS 955
771
104 SPEECH THERAPISTS 17
17
105 THERAPISTS, N.E.C. 253
101
203 CLINICAL LABORATORY TECHNOLOGISTS AND TECHNICIANS 4,363
3,222
206 RADIOLOGIC TECHNICIANS 1,807
995
207 LICENSED PRACTICAL NURSES 1,597
1,597
208 HEALTH TECHNOLOGISTS AND TECHNICIANS, N.E.C. 1,952
1,472
336 RECORDS CLERKS 83
83
365 STOCK AND INVENTORY CLERKS 732
634
389 ADMINISTRATIVE SUPPORT OCCUPATIONS, N.E.C. 109
109
433 SUPERVISORS, FOOD PREPARATION AND SERVICE OCCUPATIONS 20
20
436 COOKS, EXCEPT SHORT ORDER 591
352
439 KITCHEN WORKERS, FOOD PREPARATION 1,418
1,418
444 MISCELLANEOUS FOOD PREPARATION OCCUPATIONS 7,322
5,470
446 HEALTH AIDES, EXCEPT NURSING 12,864
8,755
447 NURSING AIDES, ORDERLIES, AND ATTENDANTS 1,857
1,725
448 SUPERVISORS, CLEANING AND BUILDING SERVICE WORKERS 21
14
449 MAIDS AND HOUSEMEN 47,093
30,867
453 JANITORS AND CLEANERS 24,119
12,894
486 GROUNDSKEEPERS AND GARDENERS, EXCEPT FARM 10

487 ANIMAL CARETAKERS, EXCEPT FARM 1,856
1,100
518 INDUSTRIAL MACHINERY REPAIRERS 451

549 NOT SPECIFIED MECHANICS AND REPAIRERS 695
22
567 CARPENTERS 113

575 ELECTRICIANS 24

585 PLUMBERS, PIPEFITTERS, AND STEAMFITTERS 117

694 WATER AND SEWAGE TREATMENT PLANT OPERATORS 30

696 STATIONARY ENGINEERS 923
645
734 PRINTING MACHINE OPERATORS 69

747 PRESSING MACHINE OPERATORS 150
150
748 LAUNDERING AND DRY CLEANING MACHINE OPERATORS 6,569
4,562
766 FURNACE, KILN, AND OVEN OPERATORS, EXC. FOOD 418
27
777 MISCELLANEOUS MACHINE OPERATORS, N.E.C. 999
840
783 WELDERS AND CUTTERS 182

887 VEHICLE WASHERS AND EQUIPMENT CLEANERS 165
34
SUBTOTAL 145,061
97,148
MUSEUMS, BOTANICAL, ZOOLOGICAL GARDENS (SIC 84)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
453 JANITORS AND CLEANERS 733
365
SUBTOTAL 733
365
TOTAL 971,687 275,943
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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