National Occupational Exposure Survey
(1981 - 1983)

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

Agent Name PROPANE, 2-METHYL-
CAS # 75-28-5
RTECS # TZ4300000
Agent Code 81851

Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
008 PERSONNEL AND LABOR RELATIONS MANAGERS 542  
015 MANAGERS, MEDICINE AND HEALTH 9  
018 FUNERAL DIRECTORS 3,941  
019 MANAGERS AND ADMINISTRATORS, N.E.C. 3,695 403
026 MANAGEMENT ANALYSTS 329 329
027 PERSONNEL, TRAINING, AND LABOR RELATIONS SPECIALISTS 976 430
035 CONSTRUCTION INSPECTORS 38  
044 AEROSPACE ENGINEERS 292  
048 CHEMICAL ENGINEERS 29  
053 CIVIL ENGINEERS 483 88
055 ELECTRICAL AND ELECTRONIC ENGINEERS 464 44
056 INDUSTRIAL ENGINEERS 412 78
057 MECHANICAL ENGINEERS 191  
059 ENGINEERS, N.E.C. 12,271 1,777
064 COMPUTER SYSTEMS ANALYSTS AND SCIENTISTS 386 125
073 CHEMISTS, EXCEPT BIOCHEMISTS 1,261 638
075 GEOLOGISTS AND GEODESISTS 28  
078 BIOLOGICAL AND LIFE SCIENTISTS 75 56
084 PHYSICIANS 10,651 6,444
086 VETERINARIANS 4,049 294
095 REGISTERED NURSES 173,610 155,376
096 PHARMACISTS 256 146
097 DIETITIANS 1,799 1,223
098 INHALATION THERAPISTS 3,342 2,105
099 OCCUPATIONAL THERAPISTS 687 573
103 PHYSICAL THERAPISTS 2,924 2,371
104 SPEECH THERAPISTS 17 17
105 THERAPISTS, N.E.C. 346 325
106 PHYSICIANS' ASSISTANTS 4,929 2,464
167 PSYCHOLOGISTS 329 164
185 DESIGNERS 5,896 2,132
188 PAINTERS, SCULPTORS, CRAFT-ARTISTS, AND ARTIST PRINTMAKERS 5,386 2,674
189 PHOTOGRAPHERS 1,220 244
194 ARTISTS, PERFORMERS, AND RELATED WORKERS, N.E.C. 291 143
203 CLINICAL LABORATORY TECHNOLOGISTS AND TECHNICIANS 7,181 5,198
206 RADIOLOGIC TECHNICIANS 5,352 3,568
207 LICENSED PRACTICAL NURSES 8,266 7,827
208 HEALTH TECHNOLOGISTS AND TECHNICIANS, N.E.C. 12,558 5,208
213 ELECTRICAL AND ELECTRONIC TECHNICIANS 23,626 10,029
215 MECHANICAL ENGINEERING TECHNICIANS 697  
216 ENGINEERING TECHNICIANS, N.E.C. 6,082 767
217 DRAFTING OCCUPATIONS 590 73
223 BIOLOGICAL TECHNICIANS 129 103
224 CHEMICAL TECHNICIANS 3,610 777
225 SCIENCE TECHNICIANS, N.E.C. 856 303
235 TECHNICIANS, N.E.C. 7,590 379
243 SUPERVISORS AND PROPRIETORS, SALES OCCUPATIONS 307  
259 SALES REPRESENTATIVES, MINING, MANUFACTURING, AND WHOLESALE 2,570 479
263 SALES WORKERS, MOTOR VEHICLES AND BOATS 1,975  
269 SALES WORKERS, PARTS 2,638  
274 SALES WORKERS, OTHER COMMODITIES 3,429 1,613
303 SUPERVISORS, GENERAL OFFICE 954 786
307 SUPERVISORS; DISTRIBUTION, SCHEDULING, AND ADJUSTING CLERKS 125  
308 COMPUTER OPERATORS 22  
309 PERIPHERAL EQUIPMENT OPERATORS 223 112
313 SECRETARIES 746 746
319 RECEPTIONISTS 876 526
327 ORDER CLERKS 1,579  
335 FILE CLERKS 644 484
343 COST AND RATE CLERKS 45  
345 DUPLICATING MACHINE OPERATORS 287 9
356 MAIL CLERKS, EXC. POSTAL SERVICE 19 19
364 TRAFFIC, SHIPPING, AND RECEIVING CLERKS 6,346 2,552
365 STOCK AND INVENTORY CLERKS 5,709 2,030
366 METER READERS 360  
368 WEIGHERS, MEASURERS, AND CHECKERS 21  
374 MATERIAL RECORDING, SCHEDULING, AND DISTRIBUTING CLERKS, N.E.C. 554  
379 GENERAL OFFICE CLERKS 5,552 3,201
385 DATA-ENTRY KEYERS 1,171  
389 ADMINISTRATIVE SUPPORT OCCUPATIONS, N.E.C. 2,243 634
426 GUARDS AND POLICE, EXC. PUBLIC SERVICE 140  
435 WAITERS AND WAITRESSES 297 297
436 COOKS, EXCEPT SHORT ORDER 670 334
443 WAITERS'/WAITRESSES' ASSISTANTS 235 235
444 MISCELLANEOUS FOOD PREPARATION OCCUPATIONS 14,255 7,942
446 HEALTH AIDES, EXCEPT NURSING 13,596 9,180
447 NURSING AIDES, ORDERLIES, AND ATTENDANTS 15,355 14,290
448 SUPERVISORS, CLEANING AND BUILDING SERVICE WORKERS 39 6
449 MAIDS AND HOUSEMEN 51,248 31,990
453 JANITORS AND CLEANERS 221,379 50,746
455 PEST CONTROL OCCUPATIONS 3,738 574
458 HAIRDRESSERS AND COSMETOLOGISTS 12,988 8,983
459 ATTENDANTS, AMUSEMENT AND RECREATION FACILITIES 187  
465 PUBLIC TRANSPORTATION ATTENDANTS 1,455 243
469 PERSONAL SERVICE OCCUPATIONS, N.E.C. 454 252
473 FARMERS, EXCEPT HORTICULTURAL 92 92
479 FARM WORKERS 403  
486 GROUNDSKEEPERS AND GARDENERS, EXCEPT FARM 437  
487 ANIMAL CARETAKERS, EXCEPT FARM 1,528 1,472
503 SUPERVISORS, MECHANICS AND REPAIRERS 2,387  
505 AUTOMOBILE MECHANICS 66,327 42
507 BUS, TRUCK, AND STATIONARY ENGINE MECHANICS 41,295 539
508 AIRCRAFT ENGINE MECHANICS 16,199 499
514 AUTOMOBILE BODY AND RELATED REPAIRERS 19,355  
515 AIRCRAFT MECHANICS, EXC. ENGINE 3,773 29
516 HEAVY EQUIPMENT MECHANICS 14,899 81
518 INDUSTRIAL MACHINERY REPAIRERS 20,081 86
519 MACHINERY MAINTENANCE OCCUPATIONS 1,671  
523 ELECTRONIC REPAIRERS, COMMUNICATIONS AND INDUSTRIAL EQUIPMENT 7,508  
525 DATA PROCESSING EQUIPMENT REPAIRERS 7  
527 TELEPHONE LINE INSTALLERS AND REPAIRERS 225  
529 TELEPHONE INSTALLERS AND REPAIRERS 8,443  
533 MISCELLANEOUS ELECTRICAL AND ELECTRONIC EQUIPMENT REPAIRERS 1,360 19
534 HEATING, AIR CONDITIONING, AND REFRIGERATION MECHANICS 15,545  
535 CAMERA, WATCH, AND MUSICAL INSTRUMENT REPAIRERS 1,508  
538 OFFICE MACHINE REPAIRERS 4,315  
539 MECHANICAL CONTROLS AND VALVE REPAIRERS 3,307  
544 MILLWRIGHTS 2,328  
547 SPECIFIED MECHANICS AND REPAIRERS, N.E.C. 17,055 141
549 NOT SPECIFIED MECHANICS AND REPAIRERS 51,720 605
558 SUPERVISORS, N.E.C. 1,955  
563 BRICKMASONS AND STONEMASONS 185  
567 CARPENTERS 8,781 9
575 ELECTRICIANS 43,785 6
577 ELECTRICAL POWER INSTALLERS AND REPAIRERS 14,805  
579 PAINTERS, CONSTRUCTION AND MAINTENANCE 3,056 51
585 PLUMBERS, PIPEFITTERS, AND STEAMFITTERS 21,571 19
588 CONCRETE AND TERRAZZO FINISHERS 356  
589 GLAZIERS 3,420  
593 INSULATION WORKERS 109  
595 ROOFERS 1,851  
596 SHEETMETAL DUCT INSTALLERS 2,450  
597 STRUCTURAL METAL WORKERS 6,276 10
599 CONSTRUCTION TRADES, N.E.C. 4,084  
614 DRILLERS, OIL WELL 338  
617 MINING OCCUPATIONS, N.E.C. 145  
633 SUPERVISORS, PRODUCTION OCCUPATIONS 8,805 244
634 TOOL AND DIE MAKERS 17,796 70
635 TOOL AND DIE MAKER APPRENTICES 264 18
636 PRECISION ASSEMBLERS, METAL 1,662 81
637 MACHINISTS 89,363 4,290
639 MACHINIST APPRENTICES 782  
643 BOILERMAKERS 6,536  
644 PRECISION GRINDERS, FITTERS, AND TOOL SHARPENERS 240 52
645 PATTERNMAKERS AND MODEL MAKERS, METAL 1,997 852
646 LAY-OUT WORKERS 234 71
647 PRECIOUS STONES AND METALS WORKERS (JEWELERS) 206 12
649 ENGRAVERS, METAL 537 506
653 SHEET METAL WORKERS 12,765 484
655 MISCELLANEOUS PRECISION METAL WORKERS 29 18
658 FURNITURE AND WOOD FINISHERS 453  
666 DRESSMAKERS 92 92
667 TAILORS 526  
668 UPHOLSTERERS 4,133 730
669 SHOE REPAIRERS 210  
674 MISCELLANEOUS PRECISION APPAREL AND FABRIC WORKERS 223  
675 HAND MOLDERS AND SHAPERS, EXCEPT JEWELERS 1,482 64
676 PATTERNMAKERS, LAY-OUT WORKERS, AND CUTTERS 615 207
677 OPTICAL GOODS WORKERS 460 164
678 DENTAL LABORATORY AND MEDICAL APPLIANCE TECHNICIANS 4,230 2,054
679 BOOKBINDERS 954 108
683 ELECTRICAL AND ELECTRONIC EQUIPMENT ASSEMBLERS 7,561 3,635
684 MISCELLANEOUS PRECISION WORKERS, N.E.C. 7,424 721
686 BUTCHERS AND MEAT CUTTERS 2,067  
687 BAKERS 1,985 510
689 INSPECTORS, TESTERS, AND GRADERS 1,028 428
693 ADJUSTERS AND CALIBRATORS 72 33
695 POWER PLANT OPERATORS 65  
696 STATIONARY ENGINEERS 2,671 33
699 MISCELLANEOUS PLANT AND SYSTEM OPERATORS 2,762  
703 LATHE AND TURNING MACHINE SET-UP OPERATORS 275 2
704 LATHE AND TURNING MACHINE OPERATORS 12,194 1,053
705 MILLING AND PLANING MACHINE OPERATORS 2,267  
706 PUNCHING AND STAMPING PRESS MACHINE OPERATORS 2,488 546
707 ROLLING MACHINE OPERATORS 1,096  
708 DRILLING AND BORING MACHINE OPERATORS 1,655 68
709 GRINDING, ABRADING, BUFFING, AND POLISHING MACHINE OPERATORS 2,815 243
713 FORGING MACHINE OPERATORS 470  
715 MISCELLANEOUS METAL, PLASTIC, STONE, AND GLASS WORKING MACHINE OPERATORS 199  
717 FABRICATING MACHINE OPERATORS, N.E.C. 2,446 393
719 MOLDING AND CASTING MACHINE OPERATORS 11,934 7,057
723 METAL PLATING MACHINE OPERATORS 747 27
724 HEAT TREATING EQUIPMENT OPERATORS 62  
725 MISCELLANEOUS METAL AND PLASTIC PROCESSING MACHINE OPERATORS 891  
727 SAWING MACHINE OPERATORS 1,532 314
728 SHAPING AND JOINING MACHINE OPERATORS 322  
733 MISCELLANEOUS WOODWORKING MACHINE OPERATORS 278  
734 PRINTING MACHINE OPERATORS 26,616 2,433
735 PHOTOENGRAVERS AND LITHOGRAPHERS 1,850 146
736 TYPESETTERS AND COMPOSITORS 4,085  
737 MISCELLANEOUS PRINTING MACHINE OPERATORS 1,224 653
738 WINDING AND TWISTING MACHINE OPERATORS 1,851 1,691
744 TEXTILE SEWING MACHINE OPERATORS 38,381 37,954
745 SHOE MACHINE OPERATORS 2,528 753
747 PRESSING MACHINE OPERATORS 9,464 7,994
748 LAUNDERING AND DRY CLEANING MACHINE OPERATORS 3,387 2,690
749 MISCELLANEOUS TEXTILE MACHINE OPERATORS 2,231 380
753 CEMENTING AND GLUING MACHINE OPERATORS 2,685 1,673
754 PACKAGING AND FILLING MACHINE OPERATORS 2,134 292
755 EXTRUDING AND FORMING MACHINE OPERATORS 1,505 1,002
756 MIXING AND BLENDING MACHINE OPERATORS 661 152
757 SEPARATING, FILTERING, AND CLARIFYING MACHINE OPERATORS 3,241  
758 COMPRESSING AND COMPACTING MACHINE OPERATORS 1,218 685
759 PAINTING AND PAINT SPRAYING MACHINE OPERATORS 8,122 708
764 WASHING, CLEANING, AND PICKLING MACHINE OPERATORS 856  
765 FOLDING MACHINE OPERATORS 2,341 2,158
766 FURNACE, KILN, AND OVEN OPERATORS, EXC. FOOD 766 7
768 CRUSHING AND GRINDING MACHINE OPERATORS 463 65
769 SLICING AND CUTTING MACHINE OPERATORS 8,644 2,990
774 PHOTOGRAPHIC PROCESS MACHINE OPERATORS 1,883 1,324
777 MISCELLANEOUS MACHINE OPERATORS, N.E.C. 32,444 7,063
779 MACHINE OPERATORS, NOT SPECIFIED 36,845 8,626
783 WELDERS AND CUTTERS 16,442 245
784 SOLDERERS AND BRAZERS 545 363
785 ASSEMBLERS 124,762 74,715
786 HAND CUTTING AND TRIMMING OCCUPATIONS 189  
787 HAND MOLDING, CASTING, AND FORMING OCCUPATIONS 919 539
794 HAND GRINDING AND POLISHING OCCUPATIONS 51  
795 MISCELLANEOUS HAND WORKING OCCUPATIONS 275  
796 PRODUCTION INSPECTORS, CHECKERS, AND EXAMINERS 15,685 4,982
797 PRODUCTION TESTERS 2,426 1,574
798 PRODUCTION SAMPLERS AND WEIGHERS 128  
804 TRUCK DRIVERS, HEAVY 3,234 363
805 TRUCK DRIVERS, LIGHT 734  
806 DRIVER-SALES WORKERS 335  
833 MARINE ENGINEERS 3,509  
844 OPERATING ENGINEERS 8,235  
849 CRANE AND TOWER OPERATORS 642  
853 EXCAVATING AND LOADING MACHINE OPERATORS 781  
855 GRADER, DOZER, AND SCRAPER OPERATORS 468  
856 INDUSTRIAL TRUCK AND TRACTOR EQUIPMENT OPERATORS 2,166 47
859 MISCELLANEOUS MATERIAL MOVING EQUIPMENT OPERATORS 1,903 204
864 HELPERS, MECHANICS AND REPAIRERS 454  
865 HELPERS, CONSTRUCTION TRADES 875  
869 CONSTRUCTION LABORERS 28,790 184
873 PRODUCTION HELPERS 6,834 1,281
877 STOCK HANDLERS AND BAGGERS 22 5
878 MACHINE FEEDERS AND OFFBEARERS 2,274 348
883 FREIGHT, STOCK, AND MATERIAL MOVERS, HAND, N.E.C. 26,196  
885 GARAGE AND SERVICE STATION RELATED OCCUPATIONS 6,861  
887 VEHICLE WASHERS AND EQUIPMENT CLEANERS 1,628 1,343
888 HAND PACKERS AND PACKAGERS 7,803 5,464
889 LABORERS, EXCEPT CONSTRUCTION 5,615 1,020
TOTAL 1,795,168 556,159

*(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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