National Occupational Exposure Survey
(1981 - 1983)

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

Agent Name METHANE, NITRO-
CAS # 75-52-5
RTECS # PA9800000
Agent Code 50910

Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
019 MANAGERS AND ADMINISTRATORS, N.E.C. 113 100
059 ENGINEERS, N.E.C. 29  
073 CHEMISTS, EXCEPT BIOCHEMISTS 1,404 221
075 GEOLOGISTS AND GEODESISTS 28  
083 MEDICAL SCIENTISTS 45 30
098 INHALATION THERAPISTS 106 60
099 OCCUPATIONAL THERAPISTS 946 904
103 PHYSICAL THERAPISTS 583 436
185 DESIGNERS 535 401
195 EDITORS AND REPORTERS 249 83
203 CLINICAL LABORATORY TECHNOLOGISTS AND TECHNICIANS 196 151
206 RADIOLOGIC TECHNICIANS 1,285 1,024
208 HEALTH TECHNOLOGISTS AND TECHNICIANS, N.E.C. 141 63
213 ELECTRICAL AND ELECTRONIC TECHNICIANS 517  
216 ENGINEERING TECHNICIANS, N.E.C. 1,113 366
223 BIOLOGICAL TECHNICIANS 33  
224 CHEMICAL TECHNICIANS 6,633 1,929
225 SCIENCE TECHNICIANS, N.E.C. 480 213
235 TECHNICIANS, N.E.C. 3,624 596
308 COMPUTER OPERATORS 6 6
313 SECRETARIES 817 817
345 DUPLICATING MACHINE OPERATORS 52 45
356 MAIL CLERKS, EXC. POSTAL SERVICE 12  
365 STOCK AND INVENTORY CLERKS 476 60
374 MATERIAL RECORDING, SCHEDULING, AND DISTRIBUTING CLERKS, N.E.C. 18 18
379 GENERAL OFFICE CLERKS 77 65
446 HEALTH AIDES, EXCEPT NURSING 565 353
447 NURSING AIDES, ORDERLIES, AND ATTENDANTS 2,171 1,417
448 SUPERVISORS, CLEANING AND BUILDING SERVICE WORKERS 614 368
453 JANITORS AND CLEANERS 26,841 11,355
505 AUTOMOBILE MECHANICS 837  
507 BUS, TRUCK, AND STATIONARY ENGINE MECHANICS 802  
516 HEAVY EQUIPMENT MECHANICS 2,329  
518 INDUSTRIAL MACHINERY REPAIRERS 978 18
523 ELECTRONIC REPAIRERS, COMMUNICATIONS AND INDUSTRIAL EQUIPMENT 117  
529 TELEPHONE INSTALLERS AND REPAIRERS 13  
535 CAMERA, WATCH, AND MUSICAL INSTRUMENT REPAIRERS 264 81
543 ELEVATOR INSTALLERS AND REPAIRERS 29  
544 MILLWRIGHTS 1,106  
547 SPECIFIED MECHANICS AND REPAIRERS, N.E.C. 2,226 28
549 NOT SPECIFIED MECHANICS AND REPAIRERS 7,494 44
567 CARPENTERS 2,101  
575 ELECTRICIANS 1,744  
579 PAINTERS, CONSTRUCTION AND MAINTENANCE 1,020  
585 PLUMBERS, PIPEFITTERS, AND STEAMFITTERS 2,051  
597 STRUCTURAL METAL WORKERS 1,196  
633 SUPERVISORS, PRODUCTION OCCUPATIONS 23  
634 TOOL AND DIE MAKERS 163  
637 MACHINISTS 2,482 34
639 MACHINIST APPRENTICES 139  
643 BOILERMAKERS 141  
645 PATTERNMAKERS AND MODEL MAKERS, METAL 653  
649 ENGRAVERS, METAL 18  
653 SHEET METAL WORKERS 299  
675 HAND MOLDERS AND SHAPERS, EXCEPT JEWELERS 20  
676 PATTERNMAKERS, LAY-OUT WORKERS, AND CUTTERS 23  
679 BOOKBINDERS 349  
683 ELECTRICAL AND ELECTRONIC EQUIPMENT ASSEMBLERS 3,146 2,939
684 MISCELLANEOUS PRECISION WORKERS, N.E.C. 636  
696 STATIONARY ENGINEERS 804 203
707 ROLLING MACHINE OPERATORS 500 48
708 DRILLING AND BORING MACHINE OPERATORS 22  
709 GRINDING, ABRADING, BUFFING, AND POLISHING MACHINE OPERATORS 154 57
717 FABRICATING MACHINE OPERATORS, N.E.C. 6  
727 SAWING MACHINE OPERATORS 884  
733 MISCELLANEOUS WOODWORKING MACHINE OPERATORS 2,313  
734 PRINTING MACHINE OPERATORS 1,413 266
735 PHOTOENGRAVERS AND LITHOGRAPHERS 18  
736 TYPESETTERS AND COMPOSITORS 13  
744 TEXTILE SEWING MACHINE OPERATORS 16,683 16,330
753 CEMENTING AND GLUING MACHINE OPERATORS 110  
756 MIXING AND BLENDING MACHINE OPERATORS 87  
758 COMPRESSING AND COMPACTING MACHINE OPERATORS 501  
759 PAINTING AND PAINT SPRAYING MACHINE OPERATORS 45  
766 FURNACE, KILN, AND OVEN OPERATORS, EXC. FOOD 255 75
769 SLICING AND CUTTING MACHINE OPERATORS 234 18
774 PHOTOGRAPHIC PROCESS MACHINE OPERATORS 95 12
777 MISCELLANEOUS MACHINE OPERATORS, N.E.C. 552 336
779 MACHINE OPERATORS, NOT SPECIFIED 1,492  
783 WELDERS AND CUTTERS 877  
784 SOLDERERS AND BRAZERS 1,317 86
785 ASSEMBLERS 12,052 3,063
793 HAND ENGRAVING AND PRINTING OCCUPATIONS 526 33
796 PRODUCTION INSPECTORS, CHECKERS, AND EXAMINERS 628 185
797 PRODUCTION TESTERS 1,130 385
804 TRUCK DRIVERS, HEAVY 6,388  
869 CONSTRUCTION LABORERS 79  
873 PRODUCTION HELPERS 582  
877 STOCK HANDLERS AND BAGGERS 22 5
878 MACHINE FEEDERS AND OFFBEARERS 1,653 227
888 HAND PACKERS AND PACKAGERS 1,056 667
889 LABORERS, EXCEPT CONSTRUCTION 200 112
TOTAL 134,803 46,338

*(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.

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