National Occupational Exposure Survey
(1981 - 1983)

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

Agent Name NITROGEN
CAS # 7727-37-9
RTECS # QW9700000
Agent Code 50865

Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
019 MANAGERS AND ADMINISTRATORS, N.E.C. 56  
027 PERSONNEL, TRAINING, AND LABOR RELATIONS SPECIALISTS 2,561 1,556
044 AEROSPACE ENGINEERS 43  
045 METALLURGICAL AND MATERIALS ENGINEERS 105  
048 CHEMICAL ENGINEERS 301  
055 ELECTRICAL AND ELECTRONIC ENGINEERS 531  
056 INDUSTRIAL ENGINEERS 1,041 78
057 MECHANICAL ENGINEERS 205  
059 ENGINEERS, N.E.C. 423 19
069 PHYSICISTS AND ASTRONOMERS 775 78
073 CHEMISTS, EXCEPT BIOCHEMISTS 6,352 1,157
074 ATMOSPHERIC AND SPACE SCIENTISTS 22  
078 BIOLOGICAL AND LIFE SCIENTISTS 659 514
083 MEDICAL SCIENTISTS 1,028 814
084 PHYSICIANS 11,615 8,143
086 VETERINARIANS 630  
095 REGISTERED NURSES 199,332 186,009
096 PHARMACISTS 669 303
098 INHALATION THERAPISTS 7,517 4,213
099 OCCUPATIONAL THERAPISTS 342 230
103 PHYSICAL THERAPISTS 2,674 2,038
105 THERAPISTS, N.E.C. 158 107
185 DESIGNERS 25  
189 PHOTOGRAPHERS 1,985 94
195 EDITORS AND REPORTERS 102  
203 CLINICAL LABORATORY TECHNOLOGISTS AND TECHNICIANS 13,049 9,175
206 RADIOLOGIC TECHNICIANS 2,553 1,636
207 LICENSED PRACTICAL NURSES 22,305 21,743
208 HEALTH TECHNOLOGISTS AND TECHNICIANS, N.E.C. 7,185 5,136
213 ELECTRICAL AND ELECTRONIC TECHNICIANS 3,314 540
215 MECHANICAL ENGINEERING TECHNICIANS 798 69
216 ENGINEERING TECHNICIANS, N.E.C. 6,116 1,516
223 BIOLOGICAL TECHNICIANS 1,534 687
224 CHEMICAL TECHNICIANS 7,205 1,911
225 SCIENCE TECHNICIANS, N.E.C. 8,241 1,377
235 TECHNICIANS, N.E.C. 18,103 1,792
278 NEWS VENDORS 423  
303 SUPERVISORS, GENERAL OFFICE 94 69
345 DUPLICATING MACHINE OPERATORS 795 568
356 MAIL CLERKS, EXC. POSTAL SERVICE 5,396  
363 PRODUCTION COORDINATORS 8  
364 TRAFFIC, SHIPPING, AND RECEIVING CLERKS 573 107
365 STOCK AND INVENTORY CLERKS 1,087 554
366 METER READERS 825  
368 WEIGHERS, MEASURERS, AND CHECKERS 52  
374 MATERIAL RECORDING, SCHEDULING, AND DISTRIBUTING CLERKS, N.E.C. 13  
379 GENERAL OFFICE CLERKS 2,025 930
389 ADMINISTRATIVE SUPPORT OCCUPATIONS, N.E.C. 711 634
438 FOOD COUNTER, FOUNTAIN AND RELATED OCCUPATIONS 369 195
444 MISCELLANEOUS FOOD PREPARATION OCCUPATIONS 1,628 1,142
445 DENTAL ASSISTANTS 58 27
446 HEALTH AIDES, EXCEPT NURSING 4,379 3,117
447 NURSING AIDES, ORDERLIES, AND ATTENDANTS 13,951 13,068
449 MAIDS AND HOUSEMEN 3,702 2,706
453 JANITORS AND CLEANERS 24,566 1,144
486 GROUNDSKEEPERS AND GARDENERS, EXCEPT FARM 243  
487 ANIMAL CARETAKERS, EXCEPT FARM 3,414 2,554
507 BUS, TRUCK, AND STATIONARY ENGINE MECHANICS 569  
508 AIRCRAFT ENGINE MECHANICS 3,458 243
515 AIRCRAFT MECHANICS, EXC. ENGINE 446  
516 HEAVY EQUIPMENT MECHANICS 3,376  
518 INDUSTRIAL MACHINERY REPAIRERS 498  
519 MACHINERY MAINTENANCE OCCUPATIONS 185  
523 ELECTRONIC REPAIRERS, COMMUNICATIONS AND INDUSTRIAL EQUIPMENT 401  
533 MISCELLANEOUS ELECTRICAL AND ELECTRONIC EQUIPMENT REPAIRERS 5,497  
534 HEATING, AIR CONDITIONING, AND REFRIGERATION MECHANICS 3,261  
535 CAMERA, WATCH, AND MUSICAL INSTRUMENT REPAIRERS 347  
538 OFFICE MACHINE REPAIRERS 1,808  
539 MECHANICAL CONTROLS AND VALVE REPAIRERS 2,552  
544 MILLWRIGHTS 1,270  
547 SPECIFIED MECHANICS AND REPAIRERS, N.E.C. 1,607 28
549 NOT SPECIFIED MECHANICS AND REPAIRERS 5,457 82
563 BRICKMASONS AND STONEMASONS 5  
567 CARPENTERS 65  
575 ELECTRICIANS 2,859  
577 ELECTRICAL POWER INSTALLERS AND REPAIRERS 933  
579 PAINTERS, CONSTRUCTION AND MAINTENANCE 103  
585 PLUMBERS, PIPEFITTERS, AND STEAMFITTERS 8,912 12
593 INSULATION WORKERS 163  
633 SUPERVISORS, PRODUCTION OCCUPATIONS 2,443 392
634 TOOL AND DIE MAKERS 134 22
636 PRECISION ASSEMBLERS, METAL 22 14
637 MACHINISTS 12,124 78
643 BOILERMAKERS 40  
644 PRECISION GRINDERS, FITTERS, AND TOOL SHARPENERS 22 7
645 PATTERNMAKERS AND MODEL MAKERS, METAL 50 50
647 PRECIOUS STONES AND METALS WORKERS (JEWELERS) 2  
667 TAILORS 66  
675 HAND MOLDERS AND SHAPERS, EXCEPT JEWELERS 966  
678 DENTAL LABORATORY AND MEDICAL APPLIANCE TECHNICIANS 983 337
683 ELECTRICAL AND ELECTRONIC EQUIPMENT ASSEMBLERS 65 61
684 MISCELLANEOUS PRECISION WORKERS, N.E.C. 1,138 455
689 INSPECTORS, TESTERS, AND GRADERS 814 370
694 WATER AND SEWAGE TREATMENT PLANT OPERATORS 54  
695 POWER PLANT OPERATORS 175  
696 STATIONARY ENGINEERS 382  
699 MISCELLANEOUS PLANT AND SYSTEM OPERATORS 1,609  
703 LATHE AND TURNING MACHINE SET-UP OPERATORS 87 2
704 LATHE AND TURNING MACHINE OPERATORS 3  
706 PUNCHING AND STAMPING PRESS MACHINE OPERATORS 247  
707 ROLLING MACHINE OPERATORS 347  
709 GRINDING, ABRADING, BUFFING, AND POLISHING MACHINE OPERATORS 1,586  
715 MISCELLANEOUS METAL, PLASTIC, STONE, AND GLASS WORKING MACHINE OPERATORS 24  
717 FABRICATING MACHINE OPERATORS, N.E.C. 360 23
719 MOLDING AND CASTING MACHINE OPERATORS 523 249
723 METAL PLATING MACHINE OPERATORS 3,370 526
724 HEAT TREATING EQUIPMENT OPERATORS 4,265 50
727 SAWING MACHINE OPERATORS 3  
734 PRINTING MACHINE OPERATORS 3,622  
735 PHOTOENGRAVERS AND LITHOGRAPHERS 2,483 399
736 TYPESETTERS AND COMPOSITORS 7,939 2,839
737 MISCELLANEOUS PRINTING MACHINE OPERATORS 230  
738 WINDING AND TWISTING MACHINE OPERATORS 157 7
743 TEXTILE CUTTING MACHINE OPERATORS 16  
744 TEXTILE SEWING MACHINE OPERATORS 5,986 5,824
747 PRESSING MACHINE OPERATORS 1,723 1,723
748 LAUNDERING AND DRY CLEANING MACHINE OPERATORS 2,596 1,973
749 MISCELLANEOUS TEXTILE MACHINE OPERATORS 1,987 639
753 CEMENTING AND GLUING MACHINE OPERATORS 377 180
754 PACKAGING AND FILLING MACHINE OPERATORS 3,792 1,368
755 EXTRUDING AND FORMING MACHINE OPERATORS 101  
756 MIXING AND BLENDING MACHINE OPERATORS 8,649 501
757 SEPARATING, FILTERING, AND CLARIFYING MACHINE OPERATORS 1,597 316
758 COMPRESSING AND COMPACTING MACHINE OPERATORS 13  
759 PAINTING AND PAINT SPRAYING MACHINE OPERATORS 1,168 58
765 FOLDING MACHINE OPERATORS 49  
766 FURNACE, KILN, AND OVEN OPERATORS, EXC. FOOD 4,788 1,906
768 CRUSHING AND GRINDING MACHINE OPERATORS 133  
769 SLICING AND CUTTING MACHINE OPERATORS 1,076  
774 PHOTOGRAPHIC PROCESS MACHINE OPERATORS 5,240 630
777 MISCELLANEOUS MACHINE OPERATORS, N.E.C. 19,087 2,781
779 MACHINE OPERATORS, NOT SPECIFIED 15,465 989
783 WELDERS AND CUTTERS 4,792  
784 SOLDERERS AND BRAZERS 600 43
785 ASSEMBLERS 14,169 4,894
789 HAND PAINTING, COATING, AND DECORATING OCCUPATIONS 114 114
795 MISCELLANEOUS HAND WORKING OCCUPATIONS 295  
796 PRODUCTION INSPECTORS, CHECKERS, AND EXAMINERS 1,531 313
797 PRODUCTION TESTERS 607 73
798 PRODUCTION SAMPLERS AND WEIGHERS 8  
804 TRUCK DRIVERS, HEAVY 5,348  
805 TRUCK DRIVERS, LIGHT 734  
808 BUS DRIVERS 7,110 5,005
844 OPERATING ENGINEERS 531  
849 CRANE AND TOWER OPERATORS 63  
856 INDUSTRIAL TRUCK AND TRACTOR EQUIPMENT OPERATORS 997 123
859 MISCELLANEOUS MATERIAL MOVING EQUIPMENT OPERATORS 2,984 703
869 CONSTRUCTION LABORERS 12,060 453
873 PRODUCTION HELPERS 72  
877 STOCK HANDLERS AND BAGGERS 32  
878 MACHINE FEEDERS AND OFFBEARERS 1,766 300
883 FREIGHT, STOCK, AND MATERIAL MOVERS, HAND, N.E.C. 2,123 103
887 VEHICLE WASHERS AND EQUIPMENT CLEANERS 524  
888 HAND PACKERS AND PACKAGERS 3,710 981
889 LABORERS, EXCEPT CONSTRUCTION 4,289 153
TOTAL 622,276 316,139

*(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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