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 CITRAL
CAS # 5392-40-5
RTECS # RG5075000 
Agent Code 83184

AGRICULTURAL SERVICES (SIC 07)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
486 GROUNDSKEEPERS AND GARDENERS, EXCEPT FARM 487

SUBTOTAL 487

SPECIAL TRADE CONTRACTORS (SIC 17)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
453 JANITORS AND CLEANERS 63

SUBTOTAL 63

FOOD AND KINDRED PRODUCTS (SIC 20)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
453 JANITORS AND CLEANERS 1,303
237
507 BUS, TRUCK, AND STATIONARY ENGINE MECHANICS 185

688 FOOD BATCHMAKERS 323

756 MIXING AND BLENDING MACHINE OPERATORS 191

768 CRUSHING AND GRINDING MACHINE OPERATORS 177

777 MISCELLANEOUS MACHINE OPERATORS, N.E.C. 34

878 MACHINE FEEDERS AND OFFBEARERS 26
26
SUBTOTAL 2,239
263
TEXTILE MILL PRODUCTS (SIC 22)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
444 MISCELLANEOUS FOOD PREPARATION OCCUPATIONS 377
270
453 JANITORS AND CLEANERS 241
26
734 PRINTING MACHINE OPERATORS 92
92
SUBTOTAL 710
388
LUMBER AND WOOD PRODUCTS (SIC 24)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
544 MILLWRIGHTS 418

SUBTOTAL 418

PAPER AND ALLIED PRODUCTS (SIC 26)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
213 ELECTRICAL AND ELECTRONIC TECHNICIANS 503

453 JANITORS AND CLEANERS 2,813

516 HEAVY EQUIPMENT MECHANICS 1,040

518 INDUSTRIAL MACHINERY REPAIRERS 518

734 PRINTING MACHINE OPERATORS 165

754 PACKAGING AND FILLING MACHINE OPERATORS 704
335
777 MISCELLANEOUS MACHINE OPERATORS, N.E.C. 503
134
779 MACHINE OPERATORS, NOT SPECIFIED 1,274
402
SUBTOTAL 7,520
871
PRINTING AND PUBLISHING (SIC 27)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
453 JANITORS AND CLEANERS 957
138
634 TOOL AND DIE MAKERS 161
49
719 MOLDING AND CASTING MACHINE OPERATORS 12

723 METAL PLATING MACHINE OPERATORS 94

734 PRINTING MACHINE OPERATORS 3,196

735 PHOTOENGRAVERS AND LITHOGRAPHERS 334

SUBTOTAL 4,754
187
CHEMICALS AND ALLIED PRODUCTS (SIC 28)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
453 JANITORS AND CLEANERS 96

547 SPECIFIED MECHANICS AND REPAIRERS, N.E.C. 1,407

734 PRINTING MACHINE OPERATORS 13

754 PACKAGING AND FILLING MACHINE OPERATORS 827
276
756 MIXING AND BLENDING MACHINE OPERATORS 1,288
122
779 MACHINE OPERATORS, NOT SPECIFIED 967
580
796 PRODUCTION INSPECTORS, CHECKERS, AND EXAMINERS 21

797 PRODUCTION TESTERS 43

877 STOCK HANDLERS AND BAGGERS 138

889 LABORERS, EXCEPT CONSTRUCTION 138

SUBTOTAL 4,938
978
RUBBER AND MISC. PLASTICS PRODUCTS (SIC 30)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
549 NOT SPECIFIED MECHANICS AND REPAIRERS 247

634 TOOL AND DIE MAKERS 82

779 MACHINE OPERATORS, NOT SPECIFIED 346

SUBTOTAL 675

LEATHER AND LEATHER PRODUCTS (SIC 31)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
453 JANITORS AND CLEANERS 264

734 PRINTING MACHINE OPERATORS 36

745 SHOE MACHINE OPERATORS 2,405
1,911
SUBTOTAL 2,705
1,911
STONE, CLAY, AND GLASS PRODUCTS (SIC 32)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
634 TOOL AND DIE MAKERS 29

637 MACHINISTS 4,923

SUBTOTAL 4,952

PRIMARY METAL INDUSTRIES (SIC 33)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
518 INDUSTRIAL MACHINERY REPAIRERS 11

519 MACHINERY MAINTENANCE OCCUPATIONS 92

585 PLUMBERS, PIPEFITTERS, AND STEAMFITTERS 145

637 MACHINISTS 333

779 MACHINE OPERATORS, NOT SPECIFIED 13

SUBTOTAL 594

FABRICATED METAL PRODUCTS (SIC 34)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
365 STOCK AND INVENTORY CLERKS 118

453 JANITORS AND CLEANERS 1,033
432
575 ELECTRICIANS 639

585 PLUMBERS, PIPEFITTERS, AND STEAMFITTERS 65

633 SUPERVISORS, PRODUCTION OCCUPATIONS 38

637 MACHINISTS 977
121
704 LATHE AND TURNING MACHINE OPERATORS 40

705 MILLING AND PLANING MACHINE OPERATORS 987

707 ROLLING MACHINE OPERATORS 92
28
709 GRINDING, ABRADING, BUFFING, AND POLISHING MACHINE OPERATORS 54

724 HEAT TREATING EQUIPMENT OPERATORS 18

779 MACHINE OPERATORS, NOT SPECIFIED 967
10
796 PRODUCTION INSPECTORS, CHECKERS, AND EXAMINERS 123

SUBTOTAL 5,151
591
MACHINERY, EXCEPT ELECTRICAL (SIC 35)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
019 MANAGERS AND ADMINISTRATORS, N.E.C. 94

216 ENGINEERING TECHNICIANS, N.E.C. 466
103
235 TECHNICIANS, N.E.C. 94

364 TRAFFIC, SHIPPING, AND RECEIVING CLERKS 245

379 GENERAL OFFICE CLERKS 11
4
453 JANITORS AND CLEANERS 1,579
96
518 INDUSTRIAL MACHINERY REPAIRERS 3,301

549 NOT SPECIFIED MECHANICS AND REPAIRERS 372
201
575 ELECTRICIANS 93

633 SUPERVISORS, PRODUCTION OCCUPATIONS 192

636 PRECISION ASSEMBLERS, METAL 1,627
947
637 MACHINISTS 9,855
194
684 MISCELLANEOUS PRECISION WORKERS, N.E.C. 1,055

708 DRILLING AND BORING MACHINE OPERATORS 354

709 GRINDING, ABRADING, BUFFING, AND POLISHING MACHINE OPERATORS 309

734 PRINTING MACHINE OPERATORS 95
38
756 MIXING AND BLENDING MACHINE OPERATORS 128

777 MISCELLANEOUS MACHINE OPERATORS, N.E.C. 2,931
1,891
779 MACHINE OPERATORS, NOT SPECIFIED 15,750
4,352
783 WELDERS AND CUTTERS 3,399
35
785 ASSEMBLERS 7,702
1,665
888 HAND PACKERS AND PACKAGERS 803
803
889 LABORERS, EXCEPT CONSTRUCTION 116

SUBTOTAL 50,571
10,329
ELECTRIC AND ELECTRONIC EQUIPMENT (SIC 36)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
217 DRAFTING OCCUPATIONS 374
13
365 STOCK AND INVENTORY CLERKS 13

453 JANITORS AND CLEANERS 501
159
469 PERSONAL SERVICE OCCUPATIONS, N.E.C. 238
98
518 INDUSTRIAL MACHINERY REPAIRERS 454

633 SUPERVISORS, PRODUCTION OCCUPATIONS 80

637 MACHINISTS 165

653 SHEET METAL WORKERS 21

734 PRINTING MACHINE OPERATORS 43
11
779 MACHINE OPERATORS, NOT SPECIFIED 1,630

783 WELDERS AND CUTTERS 200

785 ASSEMBLERS 83
83
889 LABORERS, EXCEPT CONSTRUCTION 27

SUBTOTAL 3,829
364
TRANSPORTATION EQUIPMENT (SIC 37)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
216 ENGINEERING TECHNICIANS, N.E.C. 29

365 STOCK AND INVENTORY CLERKS 6

453 JANITORS AND CLEANERS 80

508 AIRCRAFT ENGINE MECHANICS 20

518 INDUSTRIAL MACHINERY REPAIRERS 275

519 MACHINERY MAINTENANCE OCCUPATIONS 14

575 ELECTRICIANS 34

585 PLUMBERS, PIPEFITTERS, AND STEAMFITTERS 312

634 TOOL AND DIE MAKERS 528
6
637 MACHINISTS 2,481
82
684 MISCELLANEOUS PRECISION WORKERS, N.E.C. 193

703 LATHE AND TURNING MACHINE SET-UP OPERATORS 62

704 LATHE AND TURNING MACHINE OPERATORS 841

705 MILLING AND PLANING MACHINE OPERATORS 54

708 DRILLING AND BORING MACHINE OPERATORS 116

709 GRINDING, ABRADING, BUFFING, AND POLISHING MACHINE OPERATORS 11

715 MISCELLANEOUS METAL, PLASTIC, STONE, AND GLASS WORKING MACHINE OPERATORS 28

734 PRINTING MACHINE OPERATORS 26
14
777 MISCELLANEOUS MACHINE OPERATORS, N.E.C. 421
3
779 MACHINE OPERATORS, NOT SPECIFIED 256
9
783 WELDERS AND CUTTERS 434

785 ASSEMBLERS 227

796 PRODUCTION INSPECTORS, CHECKERS, AND EXAMINERS 14
3
873 PRODUCTION HELPERS 3

SUBTOTAL 6,465
117
INSTRUMENTS AND RELATED PRODUCTS (SIC 38)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
637 MACHINISTS 3,972
192
684 MISCELLANEOUS PRECISION WORKERS, N.E.C. 232
58
704 LATHE AND TURNING MACHINE OPERATORS 189
8
705 MILLING AND PLANING MACHINE OPERATORS 1,255
1,116
706 PUNCHING AND STAMPING PRESS MACHINE OPERATORS 205
40
719 MOLDING AND CASTING MACHINE OPERATORS 139

769 SLICING AND CUTTING MACHINE OPERATORS 159

777 MISCELLANEOUS MACHINE OPERATORS, N.E.C. 309
85
SUBTOTAL 6,460
1,499
MISCELLANEOUS MANUFACTURING INDUSTRIES (SIC 39)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
696 STATIONARY ENGINEERS 96

SUBTOTAL 96

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 142

SUBTOTAL 142

TRUCKING AND WAREHOUSING (SIC 42)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
453 JANITORS AND CLEANERS 84

549 NOT SPECIFIED MECHANICS AND REPAIRERS 67

SUBTOTAL 151

TRANSPORTATION BY AIR (SIC 45)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
637 MACHINISTS 457

SUBTOTAL 457

COMMUNICATION (SIC 48)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
188 PAINTERS, SCULPTORS, CRAFT-ARTISTS, AND ARTIST PRINTMAKERS 352
352
527 TELEPHONE LINE INSTALLERS AND REPAIRERS 225

529 TELEPHONE INSTALLERS AND REPAIRERS 4,724

SUBTOTAL 5,301
352
ELECTRIC, GAS, AND SANITARY SERVICES (SIC 49)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
453 JANITORS AND CLEANERS 2,194
110
SUBTOTAL 2,194
110
WHOLESALE TRADE - DURABLE GOODS (SIC 50)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
453 JANITORS AND CLEANERS 109

SUBTOTAL 109

PERSONAL SERVICES (SIC 72)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
019 MANAGERS AND ADMINISTRATORS, N.E.C. 2,356

274 SALES WORKERS, OTHER COMMODITIES 1,315
1,315
458 HAIRDRESSERS AND COSMETOLOGISTS 12,203
9,603
696 STATIONARY ENGINEERS 161

747 PRESSING MACHINE OPERATORS 657
657
748 LAUNDERING AND DRY CLEANING MACHINE OPERATORS 9,367
6,381
774 PHOTOGRAPHIC PROCESS MACHINE OPERATORS 657
657
796 PRODUCTION INSPECTORS, CHECKERS, AND EXAMINERS 329
329
889 LABORERS, EXCEPT CONSTRUCTION 657
329
SUBTOTAL 27,702
19,271
BUSINESS SERVICES (SIC 73)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
073 CHEMISTS, EXCEPT BIOCHEMISTS 93
56
453 JANITORS AND CLEANERS 10,617
4,271
637 MACHINISTS 382
25
SUBTOTAL 11,092
4,352
AUTO REPAIR, SERVICES, AND GARAGES (SIC 75)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
453 JANITORS AND CLEANERS 932
466
SUBTOTAL 932
466
HEALTH SERVICES (SIC 80)
Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
095 REGISTERED NURSES 26,537
25,461
096 PHARMACISTS 2,605
1,468
099 OCCUPATIONAL THERAPISTS 300
197
103 PHYSICAL THERAPISTS 632
500
203 CLINICAL LABORATORY TECHNOLOGISTS AND TECHNICIANS 2,054
1,612
206 RADIOLOGIC TECHNICIANS 869
676
208 HEALTH TECHNOLOGISTS AND TECHNICIANS, N.E.C. 288
213
213 ELECTRICAL AND ELECTRONIC TECHNICIANS 32

303 SUPERVISORS, GENERAL OFFICE 836
717
313 SECRETARIES 90
90
444 MISCELLANEOUS FOOD PREPARATION OCCUPATIONS 2,141
1,935
446 HEALTH AIDES, EXCEPT NURSING 1,267
729
447 NURSING AIDES, ORDERLIES, AND ATTENDANTS 597
597
449 MAIDS AND HOUSEMEN 8,447
6,080
453 JANITORS AND CLEANERS 1,951
780
458 HAIRDRESSERS AND COSMETOLOGISTS 73
73
534 HEATING, AIR CONDITIONING, AND REFRIGERATION MECHANICS 16

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

567 CARPENTERS 16

575 ELECTRICIANS 16

579 PAINTERS, CONSTRUCTION AND MAINTENANCE 16

696 STATIONARY ENGINEERS 800

734 PRINTING MACHINE OPERATORS 69

766 FURNACE, KILN, AND OVEN OPERATORS, EXC. FOOD 16

SUBTOTAL 49,775
41,128
TOTAL 200,482 83,177
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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