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 KIESELGUHR
CAS # 61790-53-2
RTECS #  
Agent Code X3017

AGRICULTURAL SERVICES (SIC 07)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
486 GROUNDSKEEPERS AND GARDENERS, EXCEPT FARM 864

SUBTOTAL 864

OIL AND GAS EXTRACTION (SIC 13)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
617 MINING OCCUPATIONS, N.E.C. 14,314

859 MISCELLANEOUS MATERIAL MOVING EQUIPMENT OPERATORS 119

869 CONSTRUCTION LABORERS 795

SUBTOTAL 15,228

SPECIAL TRADE CONTRACTORS (SIC 17)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
019 MANAGERS AND ADMINISTRATORS, N.E.C. 280

505 AUTOMOBILE MECHANICS 2,015

565 TILE SETTERS, HARD AND SOFT 2,989

567 CARPENTERS 3,213

579 PAINTERS, CONSTRUCTION AND MAINTENANCE 4,345

585 PLUMBERS, PIPEFITTERS, AND STEAMFITTERS 2,748

595 ROOFERS 4,576

759 PAINTING AND PAINT SPRAYING MACHINE OPERATORS 2,098

SUBTOTAL 22,264

FOOD AND KINDRED PRODUCTS (SIC 20)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
225 SCIENCE TECHNICIANS, N.E.C. 775
55
453 JANITORS AND CLEANERS 1,384
554
547 SPECIFIED MECHANICS AND REPAIRERS, N.E.C. 831

754 PACKAGING AND FILLING MACHINE OPERATORS 5,427

757 SEPARATING, FILTERING, AND CLARIFYING MACHINE OPERATORS 527

777 MISCELLANEOUS MACHINE OPERATORS, N.E.C. 506

889 LABORERS, EXCEPT CONSTRUCTION 6,590

SUBTOTAL 16,040
609
TEXTILE MILL PRODUCTS (SIC 22)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
749 MISCELLANEOUS TEXTILE MACHINE OPERATORS 80

SUBTOTAL 80

LUMBER AND WOOD PRODUCTS (SIC 24)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
549 NOT SPECIFIED MECHANICS AND REPAIRERS 617

SUBTOTAL 617

FURNITURE AND FIXTURES (SIC 25)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
188 PAINTERS, SCULPTORS, CRAFT-ARTISTS, AND ARTIST PRINTMAKERS 195

633 SUPERVISORS, PRODUCTION OCCUPATIONS 115

873 PRODUCTION HELPERS 576

SUBTOTAL 886

PAPER AND ALLIED PRODUCTS (SIC 26)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
719 MOLDING AND CASTING MACHINE OPERATORS 331

777 MISCELLANEOUS MACHINE OPERATORS, N.E.C. 48

779 MACHINE OPERATORS, NOT SPECIFIED 68

SUBTOTAL 447

PRINTING AND PUBLISHING (SIC 27)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
346 MAIL PREPARING AND PAPER HANDLING MACHINE OPERATORS 377
63
356 MAIL CLERKS, EXC. POSTAL SERVICE 500

453 JANITORS AND CLEANERS 91
36
734 PRINTING MACHINE OPERATORS 1,764
118
735 PHOTOENGRAVERS AND LITHOGRAPHERS 1,009
110
736 TYPESETTERS AND COMPOSITORS 2,842

737 MISCELLANEOUS PRINTING MACHINE OPERATORS 1,435
964
756 MIXING AND BLENDING MACHINE OPERATORS 63

759 PAINTING AND PAINT SPRAYING MACHINE OPERATORS 42
24
777 MISCELLANEOUS MACHINE OPERATORS, N.E.C. 337
63
878 MACHINE FEEDERS AND OFFBEARERS 377
377
SUBTOTAL 8,837
1,755
CHEMICALS AND ALLIED PRODUCTS (SIC 28)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
223 BIOLOGICAL TECHNICIANS 686
300
224 CHEMICAL TECHNICIANS 2,033

225 SCIENCE TECHNICIANS, N.E.C. 498
325
364 TRAFFIC, SHIPPING, AND RECEIVING CLERKS 103
52
389 ADMINISTRATIVE SUPPORT OCCUPATIONS, N.E.C. 52

453 JANITORS AND CLEANERS 1,641
41
519 MACHINERY MAINTENANCE OCCUPATIONS 22

549 NOT SPECIFIED MECHANICS AND REPAIRERS 470

567 CARPENTERS 57

585 PLUMBERS, PIPEFITTERS, AND STEAMFITTERS 44

593 INSULATION WORKERS 272

633 SUPERVISORS, PRODUCTION OCCUPATIONS 736

637 MACHINISTS 57

653 SHEET METAL WORKERS 75

694 WATER AND SEWAGE TREATMENT PLANT OPERATORS 66

699 MISCELLANEOUS PLANT AND SYSTEM OPERATORS 97

734 PRINTING MACHINE OPERATORS 13

754 PACKAGING AND FILLING MACHINE OPERATORS 89

756 MIXING AND BLENDING MACHINE OPERATORS 2,947
39
757 SEPARATING, FILTERING, AND CLARIFYING MACHINE OPERATORS 3,773
471
759 PAINTING AND PAINT SPRAYING MACHINE OPERATORS 715
43
766 FURNACE, KILN, AND OVEN OPERATORS, EXC. FOOD 703
18
777 MISCELLANEOUS MACHINE OPERATORS, N.E.C. 2,326
223
779 MACHINE OPERATORS, NOT SPECIFIED 86

783 WELDERS AND CUTTERS 751

796 PRODUCTION INSPECTORS, CHECKERS, AND EXAMINERS 9

859 MISCELLANEOUS MATERIAL MOVING EQUIPMENT OPERATORS 205

878 MACHINE FEEDERS AND OFFBEARERS 295

888 HAND PACKERS AND PACKAGERS 2,420
1,789
889 LABORERS, EXCEPT CONSTRUCTION 127

SUBTOTAL 21,368
3,301
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

593 INSULATION WORKERS 311

757 SEPARATING, FILTERING, AND CLARIFYING MACHINE OPERATORS 3,113

759 PAINTING AND PAINT SPRAYING MACHINE OPERATORS 14

777 MISCELLANEOUS MACHINE OPERATORS, N.E.C. 196

SUBTOTAL 4,395
105
RUBBER AND MISC. PLASTICS PRODUCTS (SIC 30)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
027 PERSONNEL, TRAINING, AND LABOR RELATIONS SPECIALISTS 50

235 TECHNICIANS, N.E.C. 100
25
453 JANITORS AND CLEANERS 755
8
633 SUPERVISORS, PRODUCTION OCCUPATIONS 68

709 GRINDING, ABRADING, BUFFING, AND POLISHING MACHINE OPERATORS 898

719 MOLDING AND CASTING MACHINE OPERATORS 809
50
728 SHAPING AND JOINING MACHINE OPERATORS 908

754 PACKAGING AND FILLING MACHINE OPERATORS 375
375
755 EXTRUDING AND FORMING MACHINE OPERATORS 82

756 MIXING AND BLENDING MACHINE OPERATORS 108

759 PAINTING AND PAINT SPRAYING MACHINE OPERATORS 34

769 SLICING AND CUTTING MACHINE OPERATORS 68

777 MISCELLANEOUS MACHINE OPERATORS, N.E.C. 4,323

785 ASSEMBLERS 559
164
796 PRODUCTION INSPECTORS, CHECKERS, AND EXAMINERS 403
403
887 VEHICLE WASHERS AND EQUIPMENT CLEANERS 34

SUBTOTAL 9,574
1,025
STONE, CLAY, AND GLASS PRODUCTS (SIC 32)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
059 ENGINEERS, N.E.C. 43

073 CHEMISTS, EXCEPT BIOCHEMISTS 97
6
235 TECHNICIANS, N.E.C. 24
6
756 MIXING AND BLENDING MACHINE OPERATORS 334

777 MISCELLANEOUS MACHINE OPERATORS, N.E.C. 901

793 HAND ENGRAVING AND PRINTING OCCUPATIONS 459

SUBTOTAL 1,858
12
PRIMARY METAL INDUSTRIES (SIC 33)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
216 ENGINEERING TECHNICIANS, N.E.C. 70

453 JANITORS AND CLEANERS 2,611

518 INDUSTRIAL MACHINERY REPAIRERS 151

544 MILLWRIGHTS 16

547 SPECIFIED MECHANICS AND REPAIRERS, N.E.C. 16

563 BRICKMASONS AND STONEMASONS 43

633 SUPERVISORS, PRODUCTION OCCUPATIONS 71

696 STATIONARY ENGINEERS 82

766 FURNACE, KILN, AND OVEN OPERATORS, EXC. FOOD 252

769 SLICING AND CUTTING MACHINE OPERATORS 153

777 MISCELLANEOUS MACHINE OPERATORS, N.E.C. 760

889 LABORERS, EXCEPT CONSTRUCTION 226

SUBTOTAL 4,451

FABRICATED METAL PRODUCTS (SIC 34)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
073 CHEMISTS, EXCEPT BIOCHEMISTS 26

216 ENGINEERING TECHNICIANS, N.E.C. 78

505 AUTOMOBILE MECHANICS 32

633 SUPERVISORS, PRODUCTION OCCUPATIONS 181

675 HAND MOLDERS AND SHAPERS, EXCEPT JEWELERS 156

684 MISCELLANEOUS PRECISION WORKERS, N.E.C. 32
32
709 GRINDING, ABRADING, BUFFING, AND POLISHING MACHINE OPERATORS 227

719 MOLDING AND CASTING MACHINE OPERATORS 442
52
723 METAL PLATING MACHINE OPERATORS 136

755 EXTRUDING AND FORMING MACHINE OPERATORS 26

759 PAINTING AND PAINT SPRAYING MACHINE OPERATORS 246
65
777 MISCELLANEOUS MACHINE OPERATORS, N.E.C. 224
94
796 PRODUCTION INSPECTORS, CHECKERS, AND EXAMINERS 78

859 MISCELLANEOUS MATERIAL MOVING EQUIPMENT OPERATORS 78

SUBTOTAL 1,962
243
MACHINERY, EXCEPT ELECTRICAL (SIC 35)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
547 SPECIFIED MECHANICS AND REPAIRERS, N.E.C. 366

549 NOT SPECIFIED MECHANICS AND REPAIRERS 616

637 MACHINISTS 99

675 HAND MOLDERS AND SHAPERS, EXCEPT JEWELERS 232

684 MISCELLANEOUS PRECISION WORKERS, N.E.C. 471

709 GRINDING, ABRADING, BUFFING, AND POLISHING MACHINE OPERATORS 465
232
756 MIXING AND BLENDING MACHINE OPERATORS 586
27
759 PAINTING AND PAINT SPRAYING MACHINE OPERATORS 82

777 MISCELLANEOUS MACHINE OPERATORS, N.E.C. 555
31
779 MACHINE OPERATORS, NOT SPECIFIED 1,433
123
785 ASSEMBLERS 101

SUBTOTAL 5,006
413
ELECTRIC AND ELECTRONIC EQUIPMENT (SIC 36)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
213 ELECTRICAL AND ELECTRONIC TECHNICIANS 2

453 JANITORS AND CLEANERS 875

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

579 PAINTERS, CONSTRUCTION AND MAINTENANCE 53

633 SUPERVISORS, PRODUCTION OCCUPATIONS 207
104
709 GRINDING, ABRADING, BUFFING, AND POLISHING MACHINE OPERATORS 557
339
723 METAL PLATING MACHINE OPERATORS 69
34
734 PRINTING MACHINE OPERATORS 192
96
755 EXTRUDING AND FORMING MACHINE OPERATORS 755
378
757 SEPARATING, FILTERING, AND CLARIFYING MACHINE OPERATORS 26

759 PAINTING AND PAINT SPRAYING MACHINE OPERATORS 7
2
777 MISCELLANEOUS MACHINE OPERATORS, N.E.C. 122
62
785 ASSEMBLERS 329
290
797 PRODUCTION TESTERS 130
130
878 MACHINE FEEDERS AND OFFBEARERS 52
34
888 HAND PACKERS AND PACKAGERS 123

SUBTOTAL 3,512
1,469
TRANSPORTATION EQUIPMENT (SIC 37)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
057 MECHANICAL ENGINEERS 210

216 ENGINEERING TECHNICIANS, N.E.C. 32

224 CHEMICAL TECHNICIANS 36

365 STOCK AND INVENTORY CLERKS 3

453 JANITORS AND CLEANERS 2,134

505 AUTOMOBILE MECHANICS 71

514 AUTOMOBILE BODY AND RELATED REPAIRERS 22

515 AIRCRAFT MECHANICS, EXC. ENGINE 567
21
519 MACHINERY MAINTENANCE OCCUPATIONS 22

575 ELECTRICIANS 65

579 PAINTERS, CONSTRUCTION AND MAINTENANCE 1,285
456
585 PLUMBERS, PIPEFITTERS, AND STEAMFITTERS 115

615 EXPLOSIVES WORKERS 3

643 BOILERMAKERS 48

655 MISCELLANEOUS PRECISION METAL WORKERS 122

675 HAND MOLDERS AND SHAPERS, EXCEPT JEWELERS 9

676 PATTERNMAKERS, LAY-OUT WORKERS, AND CUTTERS 35

709 GRINDING, ABRADING, BUFFING, AND POLISHING MACHINE OPERATORS 31

753 CEMENTING AND GLUING MACHINE OPERATORS 867
610
756 MIXING AND BLENDING MACHINE OPERATORS 3

759 PAINTING AND PAINT SPRAYING MACHINE OPERATORS 1,087
61
777 MISCELLANEOUS MACHINE OPERATORS, N.E.C. 243
37
779 MACHINE OPERATORS, NOT SPECIFIED 495
9
783 WELDERS AND CUTTERS 21

785 ASSEMBLERS 2,912
216
796 PRODUCTION INSPECTORS, CHECKERS, AND EXAMINERS 62

859 MISCELLANEOUS MATERIAL MOVING EQUIPMENT OPERATORS 687

887 VEHICLE WASHERS AND EQUIPMENT CLEANERS 98

888 HAND PACKERS AND PACKAGERS 6
3
889 LABORERS, EXCEPT CONSTRUCTION 106
74
SUBTOTAL 11,397
1,487
INSTRUMENTS AND RELATED PRODUCTS (SIC 38)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
235 TECHNICIANS, N.E.C. 472

694 WATER AND SEWAGE TREATMENT PLANT OPERATORS 39

759 PAINTING AND PAINT SPRAYING MACHINE OPERATORS 13

777 MISCELLANEOUS MACHINE OPERATORS, N.E.C. 111
94
779 MACHINE OPERATORS, NOT SPECIFIED 1,779
1,038
785 ASSEMBLERS 1,291
1,102
888 HAND PACKERS AND PACKAGERS 1,062
944
SUBTOTAL 4,767
3,178
MISCELLANEOUS MANUFACTURING INDUSTRIES (SIC 39)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
633 SUPERVISORS, PRODUCTION OCCUPATIONS 113

756 MIXING AND BLENDING MACHINE OPERATORS 73

759 PAINTING AND PAINT SPRAYING MACHINE OPERATORS 106

766 FURNACE, KILN, AND OVEN OPERATORS, EXC. FOOD 53

779 MACHINE OPERATORS, NOT SPECIFIED 3,085
848
783 WELDERS AND CUTTERS 101

789 HAND PAINTING, COATING, AND DECORATING OCCUPATIONS 340

889 LABORERS, EXCEPT CONSTRUCTION 1,714
454
SUBTOTAL 5,585
1,302
RAILROAD TRANSPORTATION (SIC 40)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
585 PLUMBERS, PIPEFITTERS, AND STEAMFITTERS 174

SUBTOTAL 174

TRUCKING AND WAREHOUSING (SIC 42)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
453 JANITORS AND CLEANERS 230

514 AUTOMOBILE BODY AND RELATED REPAIRERS 611

777 MISCELLANEOUS MACHINE OPERATORS, N.E.C. 45

SUBTOTAL 886

TRANSPORTATION BY AIR (SIC 45)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
453 JANITORS AND CLEANERS 442

505 AUTOMOBILE MECHANICS 241

508 AIRCRAFT ENGINE MECHANICS 795

515 AIRCRAFT MECHANICS, EXC. ENGINE 57

653 SHEET METAL WORKERS 1,613
28
759 PAINTING AND PAINT SPRAYING MACHINE OPERATORS 207

779 MACHINE OPERATORS, NOT SPECIFIED 69

SUBTOTAL 3,424
28
WHOLESALE TRADE - DURABLE GOODS (SIC 50)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
235 TECHNICIANS, N.E.C. 861

505 AUTOMOBILE MECHANICS 1,372

873 PRODUCTION HELPERS 344

SUBTOTAL 2,577

AUTOMOTIVE DEALERS & SERVICE STATIONS (SIC 55)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
885 GARAGE AND SERVICE STATION RELATED OCCUPATIONS 4,391
1,098
887 VEHICLE WASHERS AND EQUIPMENT CLEANERS 1,723

SUBTOTAL 6,114
1,098
PERSONAL SERVICES (SIC 72)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
018 FUNERAL DIRECTORS 2,427
485
748 LAUNDERING AND DRY CLEANING MACHINE OPERATORS 41

SUBTOTAL 2,468
485
BUSINESS SERVICES (SIC 73)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
216 ENGINEERING TECHNICIANS, N.E.C. 29

SUBTOTAL 29

AUTO REPAIR, SERVICES, AND GARAGES (SIC 75)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
514 AUTOMOBILE BODY AND RELATED REPAIRERS 1,584

579 PAINTERS, CONSTRUCTION AND MAINTENANCE 1,364

SUBTOTAL 2,948

MISCELLANEOUS REPAIR SERVICES (SIC 76)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
759 PAINTING AND PAINT SPRAYING MACHINE OPERATORS 460

SUBTOTAL 460

HEALTH SERVICES (SIC 80)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
059 ENGINEERS, N.E.C. 9

073 CHEMISTS, EXCEPT BIOCHEMISTS 373
373
083 MEDICAL SCIENTISTS 79
79
084 PHYSICIANS 49
33
095 REGISTERED NURSES 398
354
098 INHALATION THERAPISTS 217
109
099 OCCUPATIONAL THERAPISTS 104
91
203 CLINICAL LABORATORY TECHNOLOGISTS AND TECHNICIANS 2,880
2,267
208 HEALTH TECHNOLOGISTS AND TECHNICIANS, N.E.C. 83
74
224 CHEMICAL TECHNICIANS 518
405
319 RECEPTIONISTS 538
492
365 STOCK AND INVENTORY CLERKS 1,231
610
444 MISCELLANEOUS FOOD PREPARATION OCCUPATIONS 1,855
1,659
445 DENTAL ASSISTANTS 58
27
446 HEALTH AIDES, EXCEPT NURSING 368
286
449 MAIDS AND HOUSEMEN 917
670
453 JANITORS AND CLEANERS 318
35
486 GROUNDSKEEPERS AND GARDENERS, EXCEPT FARM 41
14
579 PAINTERS, CONSTRUCTION AND MAINTENANCE 173

734 PRINTING MACHINE OPERATORS 43
43
865 HELPERS, CONSTRUCTION TRADES 70

SUBTOTAL 10,322
7,621
MUSEUMS, BOTANICAL, ZOOLOGICAL GARDENS (SIC 84)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
486 GROUNDSKEEPERS AND GARDENERS, EXCEPT FARM 730
365
759 PAINTING AND PAINT SPRAYING MACHINE OPERATORS 92

SUBTOTAL 822
365
TOTAL 169,362 24,496
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.

NIOSH Home | NIOSH Search | Site Index | Contact Us | NOES Home