National Occupational Exposure Survey
(1981 - 1983)

Estimated Numbers of Employees Potentially Exposed to Specific Agents by Occupation*

Agent Name SODIUM HYDROXIDE
CAS # 1310-73-2
RTECS # WB4900000
Agent Code 69070

Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
008 PERSONNEL AND LABOR RELATIONS MANAGERS 542  
018 FUNERAL DIRECTORS 3,945 485
019 MANAGERS AND ADMINISTRATORS, N.E.C. 5,652 2,174
027 PERSONNEL, TRAINING, AND LABOR RELATIONS SPECIALISTS 4,755 2,512
036 INSPECTORS AND COMPLIANCE OFFICERS, EXC. CONSTRUCTION 13  
044 AEROSPACE ENGINEERS 107  
045 METALLURGICAL AND MATERIALS ENGINEERS 80 5
048 CHEMICAL ENGINEERS 182 32
053 CIVIL ENGINEERS 1,667  
055 ELECTRICAL AND ELECTRONIC ENGINEERS 394 20
056 INDUSTRIAL ENGINEERS 326 167
057 MECHANICAL ENGINEERS 521 14
059 ENGINEERS, N.E.C. 2,475 454
069 PHYSICISTS AND ASTRONOMERS 1,361 836
073 CHEMISTS, EXCEPT BIOCHEMISTS 21,778 6,442
075 GEOLOGISTS AND GEODESISTS 28  
078 BIOLOGICAL AND LIFE SCIENTISTS 1,628 801
083 MEDICAL SCIENTISTS 2,307 1,675
084 PHYSICIANS 6,080 4,496
086 VETERINARIANS 6,692 633
095 REGISTERED NURSES 357,171 325,999
096 PHARMACISTS 5,226 2,218
097 DIETITIANS 2,892 2,275
098 INHALATION THERAPISTS 12,554 7,110
099 OCCUPATIONAL THERAPISTS 453 432
103 PHYSICAL THERAPISTS 5,717 4,519
104 SPEECH THERAPISTS 25 25
105 THERAPISTS, N.E.C. 134 115
106 PHYSICIANS' ASSISTANTS 4,929 2,464
134 HEALTH SPECIALTIES TEACHERS 28  
169 SOCIAL SCIENTISTS, N.E.C. 460 276
185 DESIGNERS 1,410 705
188 PAINTERS, SCULPTORS, CRAFT-ARTISTS, AND ARTIST PRINTMAKERS 1,487 788
189 PHOTOGRAPHERS 2,821 665
194 ARTISTS, PERFORMERS, AND RELATED WORKERS, N.E.C. 97  
195 EDITORS AND REPORTERS 102  
198 ANNOUNCERS 4,221 1,224
203 CLINICAL LABORATORY TECHNOLOGISTS AND TECHNICIANS 61,980 44,730
205 HEALTH RECORD TECHNOLOGISTS AND TECHNICIANS 21 21
206 RADIOLOGIC TECHNICIANS 25,392 16,940
207 LICENSED PRACTICAL NURSES 32,877 29,826
208 HEALTH TECHNOLOGISTS AND TECHNICIANS, N.E.C. 11,625 9,467
213 ELECTRICAL AND ELECTRONIC TECHNICIANS 6,793 736
214 INDUSTRIAL ENGINEERING TECHNICIANS 80  
215 MECHANICAL ENGINEERING TECHNICIANS 1,154 103
216 ENGINEERING TECHNICIANS, N.E.C. 24,887 9,251
223 BIOLOGICAL TECHNICIANS 10,704 6,238
224 CHEMICAL TECHNICIANS 34,831 11,393
225 SCIENCE TECHNICIANS, N.E.C. 8,513 2,506
235 TECHNICIANS, N.E.C. 18,710 3,822
243 SUPERVISORS AND PROPRIETORS, SALES OCCUPATIONS 633 203
259 SALES REPRESENTATIVES, MINING, MANUFACTURING, AND WHOLESALE 3,740 733
274 SALES WORKERS, OTHER COMMODITIES 3,429 1,613
303 SUPERVISORS, GENERAL OFFICE 836 717
307 SUPERVISORS; DISTRIBUTION, SCHEDULING, AND ADJUSTING CLERKS 125  
308 COMPUTER OPERATORS 194  
309 PERIPHERAL EQUIPMENT OPERATORS 370 329
313 SECRETARIES 3,766 3,298
318 TRANSPORTATION TICKET AND RESERVATION AGENTS 1,118 233
319 RECEPTIONISTS 336 336
323 INFORMATION CLERKS, N.E.C. 70  
335 FILE CLERKS 761 83
336 RECORDS CLERKS 83 83
337 BOOKKEEPERS, ACCOUNTING, AND AUDITING CLERKS 114 114
356 MAIL CLERKS, EXC. POSTAL SERVICE 2,606 977
357 MESSENGERS 278  
363 PRODUCTION COORDINATORS 4,589 170
364 TRAFFIC, SHIPPING, AND RECEIVING CLERKS 14,632 3,272
365 STOCK AND INVENTORY CLERKS 12,497 4,577
368 WEIGHERS, MEASURERS, AND CHECKERS 896  
373 EXPEDITERS 69  
374 MATERIAL RECORDING, SCHEDULING, AND DISTRIBUTING CLERKS, N.E.C. 504  
379 GENERAL OFFICE CLERKS 5,142 2,225
389 ADMINISTRATIVE SUPPORT OCCUPATIONS, N.E.C. 52  
417 FIREFIGHTING OCCUPATIONS 50  
433 SUPERVISORS, FOOD PREPARATION AND SERVICE OCCUPATIONS 43 20
436 COOKS, EXCEPT SHORT ORDER 5,959 4,840
438 FOOD COUNTER, FOUNTAIN AND RELATED OCCUPATIONS 369 195
439 KITCHEN WORKERS, FOOD PREPARATION 108 71
444 MISCELLANEOUS FOOD PREPARATION OCCUPATIONS 32,791 23,087
445 DENTAL ASSISTANTS 58 27
446 HEALTH AIDES, EXCEPT NURSING 41,925 27,913
447 NURSING AIDES, ORDERLIES, AND ATTENDANTS 30,840 27,239
448 SUPERVISORS, CLEANING AND BUILDING SERVICE WORKERS 21 14
449 MAIDS AND HOUSEMEN 60,645 34,958
453 JANITORS AND CLEANERS 307,591 57,076
454 ELEVATOR OPERATORS 363  
455 PEST CONTROL OCCUPATIONS 113  
458 HAIRDRESSERS AND COSMETOLOGISTS 21,766 17,804
459 ATTENDANTS, AMUSEMENT AND RECREATION FACILITIES 187  
469 PERSONAL SERVICE OCCUPATIONS, N.E.C. 1,573 688
486 GROUNDSKEEPERS AND GARDENERS, EXCEPT FARM 904 14
487 ANIMAL CARETAKERS, EXCEPT FARM 6,061 4,103
503 SUPERVISORS, MECHANICS AND REPAIRERS 2,664  
505 AUTOMOBILE MECHANICS 51,605 42
507 BUS, TRUCK, AND STATIONARY ENGINE MECHANICS 16,683  
508 AIRCRAFT ENGINE MECHANICS 15,285 507
514 AUTOMOBILE BODY AND RELATED REPAIRERS 6,957  
515 AIRCRAFT MECHANICS, EXC. ENGINE 1,851 33
516 HEAVY EQUIPMENT MECHANICS 23,814 156
518 INDUSTRIAL MACHINERY REPAIRERS 8,549 46
519 MACHINERY MAINTENANCE OCCUPATIONS 2,485 20
523 ELECTRONIC REPAIRERS, COMMUNICATIONS AND INDUSTRIAL EQUIPMENT 7,436  
525 DATA PROCESSING EQUIPMENT REPAIRERS 114  
526 HOUSEHOLD APPLIANCE AND POWER TOOL REPAIRERS 35  
533 MISCELLANEOUS ELECTRICAL AND ELECTRONIC EQUIPMENT REPAIRERS 1,686  
534 HEATING, AIR CONDITIONING, AND REFRIGERATION MECHANICS 997  
535 CAMERA, WATCH, AND MUSICAL INSTRUMENT REPAIRERS 559 406
538 OFFICE MACHINE REPAIRERS 2,006  
539 MECHANICAL CONTROLS AND VALVE REPAIRERS 453  
543 ELEVATOR INSTALLERS AND REPAIRERS 174  
544 MILLWRIGHTS 5,720 168
547 SPECIFIED MECHANICS AND REPAIRERS, N.E.C. 16,859 1,421
549 NOT SPECIFIED MECHANICS AND REPAIRERS 38,286 362
554 SUPERVISORS, CARPENTERS AND RELATED WORKERS 34  
558 SUPERVISORS, N.E.C. 5,743  
563 BRICKMASONS AND STONEMASONS 9,182  
565 TILE SETTERS, HARD AND SOFT 5,655  
567 CARPENTERS 9,340 258
575 ELECTRICIANS 4,037 7
577 ELECTRICAL POWER INSTALLERS AND REPAIRERS 3,106  
579 PAINTERS, CONSTRUCTION AND MAINTENANCE 1,457 130
585 PLUMBERS, PIPEFITTERS, AND STEAMFITTERS 18,714 12
588 CONCRETE AND TERRAZZO FINISHERS 461  
593 INSULATION WORKERS 541  
594 PAVING, SURFACING, AND TAMPING EQUIPMENT OPERATORS 137  
595 ROOFERS 80  
596 SHEETMETAL DUCT INSTALLERS 395 17
597 STRUCTURAL METAL WORKERS 258  
599 CONSTRUCTION TRADES, N.E.C. 4,160 254
613 SUPERVISORS, EXTRACTIVE OCCUPATIONS 335  
614 DRILLERS, OIL WELL 12,798  
615 EXPLOSIVES WORKERS 149  
616 MINING MACHINE OPERATORS 8,072  
617 MINING OCCUPATIONS, N.E.C. 21,244  
633 SUPERVISORS, PRODUCTION OCCUPATIONS 19,017 1,018
634 TOOL AND DIE MAKERS 11,423 61
636 PRECISION ASSEMBLERS, METAL 633  
637 MACHINISTS 93,921 2,020
639 MACHINIST APPRENTICES 139  
643 BOILERMAKERS 302  
644 PRECISION GRINDERS, FITTERS, AND TOOL SHARPENERS 167 52
645 PATTERNMAKERS AND MODEL MAKERS, METAL 3,339 902
647 PRECIOUS STONES AND METALS WORKERS (JEWELERS) 183  
649 ENGRAVERS, METAL 409 16
653 SHEET METAL WORKERS 6,168 113
655 MISCELLANEOUS PRECISION METAL WORKERS 29 18
657 CABINET MAKERS AND BENCH CARPENTERS 1,377 555
658 FURNITURE AND WOOD FINISHERS 111 28
666 DRESSMAKERS 481 123
667 TAILORS 1,359 664
668 UPHOLSTERERS 45  
669 SHOE REPAIRERS 184 184
675 HAND MOLDERS AND SHAPERS, EXCEPT JEWELERS 723  
676 PATTERNMAKERS, LAY-OUT WORKERS, AND CUTTERS 69 9
677 OPTICAL GOODS WORKERS 483 377
678 DENTAL LABORATORY AND MEDICAL APPLIANCE TECHNICIANS 3,863 2,054
679 BOOKBINDERS 2,452 2,062
683 ELECTRICAL AND ELECTRONIC EQUIPMENT ASSEMBLERS 7,587 5,771
684 MISCELLANEOUS PRECISION WORKERS, N.E.C. 9,593 465
686 BUTCHERS AND MEAT CUTTERS 4,633 371
687 BAKERS 2,787 1,247
688 FOOD BATCHMAKERS 1,952 370
689 INSPECTORS, TESTERS, AND GRADERS 387 81
694 WATER AND SEWAGE TREATMENT PLANT OPERATORS 6,030 9
695 POWER PLANT OPERATORS 6,652 876
696 STATIONARY ENGINEERS 8,939 645
699 MISCELLANEOUS PLANT AND SYSTEM OPERATORS 5,764 80
703 LATHE AND TURNING MACHINE SET-UP OPERATORS 678 48
704 LATHE AND TURNING MACHINE OPERATORS 1,807 41
705 MILLING AND PLANING MACHINE OPERATORS 210  
706 PUNCHING AND STAMPING PRESS MACHINE OPERATORS 18,412 5,978
707 ROLLING MACHINE OPERATORS 3,943 1,177
708 DRILLING AND BORING MACHINE OPERATORS 1,340 204
709 GRINDING, ABRADING, BUFFING, AND POLISHING MACHINE OPERATORS 17,684 3,091
713 FORGING MACHINE OPERATORS 3,912  
715 MISCELLANEOUS METAL, PLASTIC, STONE, AND GLASS WORKING MACHINE OPERATORS 2,602 147
717 FABRICATING MACHINE OPERATORS, N.E.C. 2,032 658
719 MOLDING AND CASTING MACHINE OPERATORS 12,353 2,529
723 METAL PLATING MACHINE OPERATORS 40,715 5,194
724 HEAT TREATING EQUIPMENT OPERATORS 7,529 411
725 MISCELLANEOUS METAL AND PLASTIC PROCESSING MACHINE OPERATORS 2,478 509
726 WOOD LATHE, ROUTING, AND PLANING MACHINE OPERATORS 457  
727 SAWING MACHINE OPERATORS 3,467 364
728 SHAPING AND JOINING MACHINE OPERATORS 960  
733 MISCELLANEOUS WOODWORKING MACHINE OPERATORS 2,209  
734 PRINTING MACHINE OPERATORS 45,106 2,633
735 PHOTOENGRAVERS AND LITHOGRAPHERS 7,848 449
736 TYPESETTERS AND COMPOSITORS 19,422 9,540
737 MISCELLANEOUS PRINTING MACHINE OPERATORS 4,365 1,696
738 WINDING AND TWISTING MACHINE OPERATORS 2,864 2,335
739 KNITTING, LOOPING, TAPING, AND WEAVING MACHINE OPERATORS 6,438 3,973
743 TEXTILE CUTTING MACHINE OPERATORS 1,040  
744 TEXTILE SEWING MACHINE OPERATORS 47,340 44,332
745 SHOE MACHINE OPERATORS 66 66
747 PRESSING MACHINE OPERATORS 17,054 16,044
748 LAUNDERING AND DRY CLEANING MACHINE OPERATORS 39,403 20,709
749 MISCELLANEOUS TEXTILE MACHINE OPERATORS 18,086 2,974
753 CEMENTING AND GLUING MACHINE OPERATORS 3,456 767
754 PACKAGING AND FILLING MACHINE OPERATORS 20,064 6,838
755 EXTRUDING AND FORMING MACHINE OPERATORS 6,235 1,572
756 MIXING AND BLENDING MACHINE OPERATORS 37,304 3,670
757 SEPARATING, FILTERING, AND CLARIFYING MACHINE OPERATORS 16,411 1,064
758 COMPRESSING AND COMPACTING MACHINE OPERATORS 1,012 636
759 PAINTING AND PAINT SPRAYING MACHINE OPERATORS 12,141 1,532
763 ROASTING AND BAKING MACHINE OPERATORS, FOOD 874 592
764 WASHING, CLEANING, AND PICKLING MACHINE OPERATORS 1,771  
765 FOLDING MACHINE OPERATORS 2,266 1,340
766 FURNACE, KILN, AND OVEN OPERATORS, EXC. FOOD 22,581 97
768 CRUSHING AND GRINDING MACHINE OPERATORS 2,886 187
769 SLICING AND CUTTING MACHINE OPERATORS 7,951 961
774 PHOTOGRAPHIC PROCESS MACHINE OPERATORS 9,230 3,987
777 MISCELLANEOUS MACHINE OPERATORS, N.E.C. 100,405 12,039
779 MACHINE OPERATORS, NOT SPECIFIED 96,607 17,199
783 WELDERS AND CUTTERS 14,400 733
784 SOLDERERS AND BRAZERS 1,573 1,305
785 ASSEMBLERS 74,984 21,927
786 HAND CUTTING AND TRIMMING OCCUPATIONS 355 75
787 HAND MOLDING, CASTING, AND FORMING OCCUPATIONS 664 86
789 HAND PAINTING, COATING, AND DECORATING OCCUPATIONS 107 14
793 HAND ENGRAVING AND PRINTING OCCUPATIONS 526 33
795 MISCELLANEOUS HAND WORKING OCCUPATIONS 1,168 256
796 PRODUCTION INSPECTORS, CHECKERS, AND EXAMINERS 33,139 11,634
797 PRODUCTION TESTERS 5,777 1,825
798 PRODUCTION SAMPLERS AND WEIGHERS 1,010  
799 GRADERS AND SORTERS, EXCEPT AGRICULTURAL 1,486 190
804 TRUCK DRIVERS, HEAVY 25,798 482
806 DRIVER-SALES WORKERS 1,445  
824 LOCOMOTIVE OPERATING OCCUPATIONS 3,346  
844 OPERATING ENGINEERS 508  
848 HOIST AND WINCH OPERATORS 214  
849 CRANE AND TOWER OPERATORS 1,069 12
853 EXCAVATING AND LOADING MACHINE OPERATORS 2,905  
856 INDUSTRIAL TRUCK AND TRACTOR EQUIPMENT OPERATORS 3,833 319
859 MISCELLANEOUS MATERIAL MOVING EQUIPMENT OPERATORS 10,867 1,267
864 HELPERS, MECHANICS AND REPAIRERS 1,254  
865 HELPERS, CONSTRUCTION TRADES 549  
869 CONSTRUCTION LABORERS 27,490 529
873 PRODUCTION HELPERS 5,030 79
877 STOCK HANDLERS AND BAGGERS 542 253
878 MACHINE FEEDERS AND OFFBEARERS 17,872 2,663
883 FREIGHT, STOCK, AND MATERIAL MOVERS, HAND, N.E.C. 11,555 1,766
885 GARAGE AND SERVICE STATION RELATED OCCUPATIONS 17,687 1,391
887 VEHICLE WASHERS AND EQUIPMENT CLEANERS 17,263 2,522
888 HAND PACKERS AND PACKAGERS 22,854 12,642
889 LABORERS, EXCEPT CONSTRUCTION 62,098 10,750
TOTAL 2,819,743 995,960

*(1) The estimates for each occupation apply across the surveyed industries in which the agent was observed. Not all industries were surveyed, and not all agents were observed in all surveyed industries. (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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