National Occupational Exposure Survey
(1981 - 1983)

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

Agent Name BUTANE
CAS # 106-97-8
RTECS # EJ4200000
Agent Code 13480

Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
008 PERSONNEL AND LABOR RELATIONS MANAGERS 542  
018 FUNERAL DIRECTORS 3,941  
019 MANAGERS AND ADMINISTRATORS, N.E.C. 773 83
035 CONSTRUCTION INSPECTORS 1,228  
044 AEROSPACE ENGINEERS 292  
048 CHEMICAL ENGINEERS 6  
055 ELECTRICAL AND ELECTRONIC ENGINEERS 249  
056 INDUSTRIAL ENGINEERS 337  
057 MECHANICAL ENGINEERS 191  
059 ENGINEERS, N.E.C. 3,416 230
064 COMPUTER SYSTEMS ANALYSTS AND SCIENTISTS 386 125
073 CHEMISTS, EXCEPT BIOCHEMISTS 897 178
083 MEDICAL SCIENTISTS 114 91
084 PHYSICIANS 144 57
086 VETERINARIANS 2,034 294
095 REGISTERED NURSES 16,871 15,788
098 INHALATION THERAPISTS 306 139
099 OCCUPATIONAL THERAPISTS 394 377
105 THERAPISTS, N.E.C. 29 29
185 DESIGNERS 18  
188 PAINTERS, SCULPTORS, CRAFT-ARTISTS, AND ARTIST PRINTMAKERS 6,522 4,297
189 PHOTOGRAPHERS 1,488 148
203 CLINICAL LABORATORY TECHNOLOGISTS AND TECHNICIANS 1,881 1,299
206 RADIOLOGIC TECHNICIANS 890 769
207 LICENSED PRACTICAL NURSES 1,408 1,396
208 HEALTH TECHNOLOGISTS AND TECHNICIANS, N.E.C. 779 468
213 ELECTRICAL AND ELECTRONIC TECHNICIANS 21,191 8,667
215 MECHANICAL ENGINEERING TECHNICIANS 697  
216 ENGINEERING TECHNICIANS, N.E.C. 3,867 699
224 CHEMICAL TECHNICIANS 3,146 780
225 SCIENCE TECHNICIANS, N.E.C. 786 303
235 TECHNICIANS, N.E.C. 7,665 422
243 SUPERVISORS AND PROPRIETORS, SALES OCCUPATIONS 307  
256 ADVERTISING AND RELATED SALES OCCUPATIONS 24 6
259 SALES REPRESENTATIVES, MINING, MANUFACTURING, AND WHOLESALE 2,570 479
269 SALES WORKERS, PARTS 132  
303 SUPERVISORS, GENERAL OFFICE 24  
308 COMPUTER OPERATORS 22  
313 SECRETARIES 802 802
319 RECEPTIONISTS 876 526
343 COST AND RATE CLERKS 45  
345 DUPLICATING MACHINE OPERATORS 823 577
346 MAIL PREPARING AND PAPER HANDLING MACHINE OPERATORS 38  
363 PRODUCTION COORDINATORS 506 506
364 TRAFFIC, SHIPPING, AND RECEIVING CLERKS 4,425 1,677
365 STOCK AND INVENTORY CLERKS 2,399 200
366 METER READERS 360  
368 WEIGHERS, MEASURERS, AND CHECKERS 21  
374 MATERIAL RECORDING, SCHEDULING, AND DISTRIBUTING CLERKS, N.E.C. 63  
379 GENERAL OFFICE CLERKS 7,098 3,914
385 DATA-ENTRY KEYERS 1,893  
389 ADMINISTRATIVE SUPPORT OCCUPATIONS, N.E.C. 1,532  
426 GUARDS AND POLICE, EXC. PUBLIC SERVICE 140  
436 COOKS, EXCEPT SHORT ORDER 200 28
438 FOOD COUNTER, FOUNTAIN AND RELATED OCCUPATIONS 71 6
439 KITCHEN WORKERS, FOOD PREPARATION 331 154
444 MISCELLANEOUS FOOD PREPARATION OCCUPATIONS 9,600 5,060
446 HEALTH AIDES, EXCEPT NURSING 9,562 5,897
447 NURSING AIDES, ORDERLIES, AND ATTENDANTS 3,157 2,961
448 SUPERVISORS, CLEANING AND BUILDING SERVICE WORKERS 28  
449 MAIDS AND HOUSEMEN 12,451 6,438
453 JANITORS AND CLEANERS 166,046 38,222
455 PEST CONTROL OCCUPATIONS 3,738 574
458 HAIRDRESSERS AND COSMETOLOGISTS 10,273 7,626
469 PERSONAL SERVICE OCCUPATIONS, N.E.C. 188  
479 FARM WORKERS 403  
486 GROUNDSKEEPERS AND GARDENERS, EXCEPT FARM 29  
487 ANIMAL CARETAKERS, EXCEPT FARM 1,003 667
503 SUPERVISORS, MECHANICS AND REPAIRERS 645  
505 AUTOMOBILE MECHANICS 39,745  
507 BUS, TRUCK, AND STATIONARY ENGINE MECHANICS 19,206 539
508 AIRCRAFT ENGINE MECHANICS 11,739 256
514 AUTOMOBILE BODY AND RELATED REPAIRERS 4,814  
515 AIRCRAFT MECHANICS, EXC. ENGINE 1,132 29
516 HEAVY EQUIPMENT MECHANICS 9,891 81
517 FARM EQUIPMENT MECHANICS 491  
518 INDUSTRIAL MACHINERY REPAIRERS 18,450 36
519 MACHINERY MAINTENANCE OCCUPATIONS 13  
523 ELECTRONIC REPAIRERS, COMMUNICATIONS AND INDUSTRIAL EQUIPMENT 4,724  
525 DATA PROCESSING EQUIPMENT REPAIRERS 7  
527 TELEPHONE LINE INSTALLERS AND REPAIRERS 723  
529 TELEPHONE INSTALLERS AND REPAIRERS 9,206 177
533 MISCELLANEOUS ELECTRICAL AND ELECTRONIC EQUIPMENT REPAIRERS 1,219  
534 HEATING, AIR CONDITIONING, AND REFRIGERATION MECHANICS 15,484  
535 CAMERA, WATCH, AND MUSICAL INSTRUMENT REPAIRERS 2,527 341
538 OFFICE MACHINE REPAIRERS 4,101  
539 MECHANICAL CONTROLS AND VALVE REPAIRERS 3,214  
544 MILLWRIGHTS 810  
547 SPECIFIED MECHANICS AND REPAIRERS, N.E.C. 9,146 141
549 NOT SPECIFIED MECHANICS AND REPAIRERS 26,506 466
558 SUPERVISORS, N.E.C. 1,570  
563 BRICKMASONS AND STONEMASONS 185  
567 CARPENTERS 7,657 6
575 ELECTRICIANS 30,877  
576 ELECTRICIAN APPRENTICES 368  
577 ELECTRICAL POWER INSTALLERS AND REPAIRERS 7,784  
579 PAINTERS, CONSTRUCTION AND MAINTENANCE 258  
585 PLUMBERS, PIPEFITTERS, AND STEAMFITTERS 16,940 19
588 CONCRETE AND TERRAZZO FINISHERS 356  
589 GLAZIERS 837  
593 INSULATION WORKERS 483 161
596 SHEETMETAL DUCT INSTALLERS 2,450  
597 STRUCTURAL METAL WORKERS 3,760  
599 CONSTRUCTION TRADES, N.E.C. 778  
614 DRILLERS, OIL WELL 338  
617 MINING OCCUPATIONS, N.E.C. 1,112  
633 SUPERVISORS, PRODUCTION OCCUPATIONS 7,228  
634 TOOL AND DIE MAKERS 14,936 61
635 TOOL AND DIE MAKER APPRENTICES 264 18
636 PRECISION ASSEMBLERS, METAL 2,781 1,028
637 MACHINISTS 81,925 4,477
639 MACHINIST APPRENTICES 782  
643 BOILERMAKERS 6,522  
644 PRECISION GRINDERS, FITTERS, AND TOOL SHARPENERS 73  
645 PATTERNMAKERS AND MODEL MAKERS, METAL 40  
646 LAY-OUT WORKERS 234 71
647 PRECIOUS STONES AND METALS WORKERS (JEWELERS) 206 12
649 ENGRAVERS, METAL 519 506
653 SHEET METAL WORKERS 4,194 484
655 MISCELLANEOUS PRECISION METAL WORKERS 29 18
658 FURNITURE AND WOOD FINISHERS 453  
667 TAILORS 309  
668 UPHOLSTERERS 162 39
669 SHOE REPAIRERS 210  
675 HAND MOLDERS AND SHAPERS, EXCEPT JEWELERS 20  
676 PATTERNMAKERS, LAY-OUT WORKERS, AND CUTTERS 305  
677 OPTICAL GOODS WORKERS 460 164
679 BOOKBINDERS 1,219 584
683 ELECTRICAL AND ELECTRONIC EQUIPMENT ASSEMBLERS 5,459 3,193
684 MISCELLANEOUS PRECISION WORKERS, N.E.C. 7,471 3,215
687 BAKERS 120  
689 INSPECTORS, TESTERS, AND GRADERS 1,063 428
693 ADJUSTERS AND CALIBRATORS 24 24
696 STATIONARY ENGINEERS 2,317 33
699 MISCELLANEOUS PLANT AND SYSTEM OPERATORS 4,696  
703 LATHE AND TURNING MACHINE SET-UP OPERATORS 221 2
704 LATHE AND TURNING MACHINE OPERATORS 7,652 1,053
705 MILLING AND PLANING MACHINE OPERATORS 2,267  
706 PUNCHING AND STAMPING PRESS MACHINE OPERATORS 2,662 668
707 ROLLING MACHINE OPERATORS 1,588 519
708 DRILLING AND BORING MACHINE OPERATORS 1,511 10
709 GRINDING, ABRADING, BUFFING, AND POLISHING MACHINE OPERATORS 3,368 508
713 FORGING MACHINE OPERATORS 470  
715 MISCELLANEOUS METAL, PLASTIC, STONE, AND GLASS WORKING MACHINE OPERATORS 63  
717 FABRICATING MACHINE OPERATORS, N.E.C. 1,767 239
719 MOLDING AND CASTING MACHINE OPERATORS 752 140
723 METAL PLATING MACHINE OPERATORS 544 27
724 HEAT TREATING EQUIPMENT OPERATORS 62  
725 MISCELLANEOUS METAL AND PLASTIC PROCESSING MACHINE OPERATORS 891  
727 SAWING MACHINE OPERATORS 1,266 127
728 SHAPING AND JOINING MACHINE OPERATORS 322  
733 MISCELLANEOUS WOODWORKING MACHINE OPERATORS 72  
734 PRINTING MACHINE OPERATORS 11,380 701
735 PHOTOENGRAVERS AND LITHOGRAPHERS 1,720 105
736 TYPESETTERS AND COMPOSITORS 6,097 2,061
737 MISCELLANEOUS PRINTING MACHINE OPERATORS 2,514 1,048
744 TEXTILE SEWING MACHINE OPERATORS 11,945 11,749
747 PRESSING MACHINE OPERATORS 1,723 1,723
749 MISCELLANEOUS TEXTILE MACHINE OPERATORS 187  
753 CEMENTING AND GLUING MACHINE OPERATORS 353 45
754 PACKAGING AND FILLING MACHINE OPERATORS 2,134 292
755 EXTRUDING AND FORMING MACHINE OPERATORS 128  
756 MIXING AND BLENDING MACHINE OPERATORS 953 42
757 SEPARATING, FILTERING, AND CLARIFYING MACHINE OPERATORS 6,823  
759 PAINTING AND PAINT SPRAYING MACHINE OPERATORS 5,254 353
764 WASHING, CLEANING, AND PICKLING MACHINE OPERATORS 760  
765 FOLDING MACHINE OPERATORS 710 651
766 FURNACE, KILN, AND OVEN OPERATORS, EXC. FOOD 588  
768 CRUSHING AND GRINDING MACHINE OPERATORS 463 65
769 SLICING AND CUTTING MACHINE OPERATORS 3,229 1,822
774 PHOTOGRAPHIC PROCESS MACHINE OPERATORS 367 102
777 MISCELLANEOUS MACHINE OPERATORS, N.E.C. 21,824 2,770
779 MACHINE OPERATORS, NOT SPECIFIED 25,618 1,843
783 WELDERS AND CUTTERS 12,861 169
784 SOLDERERS AND BRAZERS 2,873 1,818
785 ASSEMBLERS 37,609 15,039
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 8,007 1,646
797 PRODUCTION TESTERS 2,491 1,623
798 PRODUCTION SAMPLERS AND WEIGHERS 128  
804 TRUCK DRIVERS, HEAVY 1,800  
805 TRUCK DRIVERS, LIGHT 734  
806 DRIVER-SALES WORKERS 335  
833 MARINE ENGINEERS 3,509  
844 OPERATING ENGINEERS 6,290  
849 CRANE AND TOWER OPERATORS 642  
856 INDUSTRIAL TRUCK AND TRACTOR EQUIPMENT OPERATORS 1,574  
859 MISCELLANEOUS MATERIAL MOVING EQUIPMENT OPERATORS 597 5
865 HELPERS, CONSTRUCTION TRADES 875  
869 CONSTRUCTION LABORERS 21,757 184
873 PRODUCTION HELPERS 6,426 1,281
877 STOCK HANDLERS AND BAGGERS 22 5
878 MACHINE FEEDERS AND OFFBEARERS 998  
883 FREIGHT, STOCK, AND MATERIAL MOVERS, HAND, N.E.C. 8,577 77
885 GARAGE AND SERVICE STATION RELATED OCCUPATIONS 2,675  
887 VEHICLE WASHERS AND EQUIPMENT CLEANERS 127 82
888 HAND PACKERS AND PACKAGERS 7,935 6,085
889 LABORERS, EXCEPT CONSTRUCTION 1,300 7
TOTAL 988,880 186,786

*(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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