National Occupational Exposure Survey
(1981 - 1983)

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

Agent Name NITRIC ACID SODIUM SALT
CAS # 7631-99-4
RTECS # WC5600000
Agent Code 69220

Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
018 FUNERAL DIRECTORS 6,543  
019 MANAGERS AND ADMINISTRATORS, N.E.C. 280  
048 CHEMICAL ENGINEERS 3  
056 INDUSTRIAL ENGINEERS 155 78
057 MECHANICAL ENGINEERS 383 14
059 ENGINEERS, N.E.C. 28  
069 PHYSICISTS AND ASTRONOMERS 1,354 829
073 CHEMISTS, EXCEPT BIOCHEMISTS 2,542 548
078 BIOLOGICAL AND LIFE SCIENTISTS 114 31
083 MEDICAL SCIENTISTS 358 298
084 PHYSICIANS 56 35
086 VETERINARIANS 1,695 339
095 REGISTERED NURSES 7,700 1,298
096 PHARMACISTS 145 9
097 DIETITIANS 1,799 1,223
098 INHALATION THERAPISTS 1,217 603
103 PHYSICAL THERAPISTS 383 318
105 THERAPISTS, N.E.C. 366 366
188 PAINTERS, SCULPTORS, CRAFT-ARTISTS, AND ARTIST PRINTMAKERS 215 29
189 PHOTOGRAPHERS 243  
203 CLINICAL LABORATORY TECHNOLOGISTS AND TECHNICIANS 8,928 5,549
206 RADIOLOGIC TECHNICIANS 1,194 573
207 LICENSED PRACTICAL NURSES 154 154
208 HEALTH TECHNOLOGISTS AND TECHNICIANS, N.E.C. 4,007 3,289
213 ELECTRICAL AND ELECTRONIC TECHNICIANS 18,709 8,683
214 INDUSTRIAL ENGINEERING TECHNICIANS 14  
216 ENGINEERING TECHNICIANS, N.E.C. 2,729 423
223 BIOLOGICAL TECHNICIANS 1,120 687
224 CHEMICAL TECHNICIANS 7,751 2,508
225 SCIENCE TECHNICIANS, N.E.C. 841 123
235 TECHNICIANS, N.E.C. 4,134 1,088
243 SUPERVISORS AND PROPRIETORS, SALES OCCUPATIONS 307  
259 SALES REPRESENTATIVES, MINING, MANUFACTURING, AND WHOLESALE 479 479
277 STREET AND DOOR-TO-DOOR SALES WORKERS 1,744 734
313 SECRETARIES 106 106
335 FILE CLERKS 473 277
346 MAIL PREPARING AND PAPER HANDLING MACHINE OPERATORS 377 63
356 MAIL CLERKS, EXC. POSTAL SERVICE 1,214 727
363 PRODUCTION COORDINATORS 170 170
364 TRAFFIC, SHIPPING, AND RECEIVING CLERKS 5,359 1,134
365 STOCK AND INVENTORY CLERKS 1,115 738
368 WEIGHERS, MEASURERS, AND CHECKERS 448  
389 ADMINISTRATIVE SUPPORT OCCUPATIONS, N.E.C. 52  
444 MISCELLANEOUS FOOD PREPARATION OCCUPATIONS 4,507 3,335
446 HEALTH AIDES, EXCEPT NURSING 7,220 4,361
449 MAIDS AND HOUSEMEN 8,301 4,995
453 JANITORS AND CLEANERS 71,149 8,981
469 PERSONAL SERVICE OCCUPATIONS, N.E.C. 216 154
487 ANIMAL CARETAKERS, EXCEPT FARM 2,177 1,608
503 SUPERVISORS, MECHANICS AND REPAIRERS 2,429  
505 AUTOMOBILE MECHANICS 24,549 42
507 BUS, TRUCK, AND STATIONARY ENGINE MECHANICS 25,944 2
508 AIRCRAFT ENGINE MECHANICS 6,707 57
514 AUTOMOBILE BODY AND RELATED REPAIRERS 2,889  
515 AIRCRAFT MECHANICS, EXC. ENGINE 718 21
516 HEAVY EQUIPMENT MECHANICS 8,533  
518 INDUSTRIAL MACHINERY REPAIRERS 5,081 50
519 MACHINERY MAINTENANCE OCCUPATIONS 132  
533 MISCELLANEOUS ELECTRICAL AND ELECTRONIC EQUIPMENT REPAIRERS 1,651  
534 HEATING, AIR CONDITIONING, AND REFRIGERATION MECHANICS 109  
535 CAMERA, WATCH, AND MUSICAL INSTRUMENT REPAIRERS 26  
544 MILLWRIGHTS 880 105
547 SPECIFIED MECHANICS AND REPAIRERS, N.E.C. 4,113  
549 NOT SPECIFIED MECHANICS AND REPAIRERS 18,389 20
558 SUPERVISORS, N.E.C. 693  
563 BRICKMASONS AND STONEMASONS 1,175  
567 CARPENTERS 2,378  
575 ELECTRICIANS 141  
577 ELECTRICAL POWER INSTALLERS AND REPAIRERS 622  
579 PAINTERS, CONSTRUCTION AND MAINTENANCE 8,128  
583 PAPERHANGERS 387  
585 PLUMBERS, PIPEFITTERS, AND STEAMFITTERS 4,833  
593 INSULATION WORKERS 44  
595 ROOFERS 2,127  
599 CONSTRUCTION TRADES, N.E.C. 1,155  
616 MINING MACHINE OPERATORS 3,785  
617 MINING OCCUPATIONS, N.E.C. 14,115  
633 SUPERVISORS, PRODUCTION OCCUPATIONS 2,341  
634 TOOL AND DIE MAKERS 85  
637 MACHINISTS 9,486  
644 PRECISION GRINDERS, FITTERS, AND TOOL SHARPENERS 255  
645 PATTERNMAKERS AND MODEL MAKERS, METAL 1,857  
653 SHEET METAL WORKERS 75  
655 MISCELLANEOUS PRECISION METAL WORKERS 29 18
657 CABINET MAKERS AND BENCH CARPENTERS 201  
658 FURNITURE AND WOOD FINISHERS 453  
667 TAILORS 1,103 551
675 HAND MOLDERS AND SHAPERS, EXCEPT JEWELERS 1,470  
676 PATTERNMAKERS, LAY-OUT WORKERS, AND CUTTERS 56  
677 OPTICAL GOODS WORKERS 23  
678 DENTAL LABORATORY AND MEDICAL APPLIANCE TECHNICIANS 2,614 2,033
679 BOOKBINDERS 6,369 3,092
684 MISCELLANEOUS PRECISION WORKERS, N.E.C. 675 56
686 BUTCHERS AND MEAT CUTTERS 2,067  
687 BAKERS 1,866 510
689 INSPECTORS, TESTERS, AND GRADERS 167  
694 WATER AND SEWAGE TREATMENT PLANT OPERATORS 66  
695 POWER PLANT OPERATORS 196  
696 STATIONARY ENGINEERS 1,916  
699 MISCELLANEOUS PLANT AND SYSTEM OPERATORS 2,183 3
703 LATHE AND TURNING MACHINE SET-UP OPERATORS 482  
704 LATHE AND TURNING MACHINE OPERATORS 21  
706 PUNCHING AND STAMPING PRESS MACHINE OPERATORS 2,019 128
707 ROLLING MACHINE OPERATORS 1,810  
709 GRINDING, ABRADING, BUFFING, AND POLISHING MACHINE OPERATORS 5,190 643
713 FORGING MACHINE OPERATORS 342  
717 FABRICATING MACHINE OPERATORS, N.E.C. 4,669 3,148
719 MOLDING AND CASTING MACHINE OPERATORS 1,917 137
723 METAL PLATING MACHINE OPERATORS 11,083 1,503
724 HEAT TREATING EQUIPMENT OPERATORS 6,000 155
725 MISCELLANEOUS METAL AND PLASTIC PROCESSING MACHINE OPERATORS 573 408
734 PRINTING MACHINE OPERATORS 12,355 3,597
735 PHOTOENGRAVERS AND LITHOGRAPHERS 1,452 196
736 TYPESETTERS AND COMPOSITORS 2,835 1,659
737 MISCELLANEOUS PRINTING MACHINE OPERATORS 4,006 1,757
744 TEXTILE SEWING MACHINE OPERATORS 9,383 9,032
747 PRESSING MACHINE OPERATORS 1,418 1,418
749 MISCELLANEOUS TEXTILE MACHINE OPERATORS 1,573 29
753 CEMENTING AND GLUING MACHINE OPERATORS 389 7
754 PACKAGING AND FILLING MACHINE OPERATORS 381 199
755 EXTRUDING AND FORMING MACHINE OPERATORS 328 8
756 MIXING AND BLENDING MACHINE OPERATORS 10,828 2,307
757 SEPARATING, FILTERING, AND CLARIFYING MACHINE OPERATORS 5,010 386
758 COMPRESSING AND COMPACTING MACHINE OPERATORS 311 256
759 PAINTING AND PAINT SPRAYING MACHINE OPERATORS 9,437 1,493
765 FOLDING MACHINE OPERATORS 3,634 3,068
766 FURNACE, KILN, AND OVEN OPERATORS, EXC. FOOD 4,709 27
768 CRUSHING AND GRINDING MACHINE OPERATORS 1,690  
769 SLICING AND CUTTING MACHINE OPERATORS 2,028 947
774 PHOTOGRAPHIC PROCESS MACHINE OPERATORS 332  
777 MISCELLANEOUS MACHINE OPERATORS, N.E.C. 7,707 2,418
779 MACHINE OPERATORS, NOT SPECIFIED 11,402 1,117
783 WELDERS AND CUTTERS 7,702  
785 ASSEMBLERS 18,347 3,740
787 HAND MOLDING, CASTING, AND FORMING OCCUPATIONS 360 360
789 HAND PAINTING, COATING, AND DECORATING OCCUPATIONS 784 99
796 PRODUCTION INSPECTORS, CHECKERS, AND EXAMINERS 1,405 584
797 PRODUCTION TESTERS 245  
804 TRUCK DRIVERS, HEAVY 3,623  
844 OPERATING ENGINEERS 374  
849 CRANE AND TOWER OPERATORS 325  
855 GRADER, DOZER, AND SCRAPER OPERATORS 224  
856 INDUSTRIAL TRUCK AND TRACTOR EQUIPMENT OPERATORS 2,307  
859 MISCELLANEOUS MATERIAL MOVING EQUIPMENT OPERATORS 718  
864 HELPERS, MECHANICS AND REPAIRERS 19  
869 CONSTRUCTION LABORERS 5,975 208
873 PRODUCTION HELPERS 1,642  
883 FREIGHT, STOCK, AND MATERIAL MOVERS, HAND, N.E.C. 374 21
885 GARAGE AND SERVICE STATION RELATED OCCUPATIONS 8,487  
887 VEHICLE WASHERS AND EQUIPMENT CLEANERS 348 113
888 HAND PACKERS AND PACKAGERS 7,640 3,887
889 LABORERS, EXCEPT CONSTRUCTION 13,669 1,466
TOTAL 557,740 110,040

*(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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