National Occupational Exposure Survey
(1981 - 1983)

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

Agent Name METHANE, DICHLORODIFLUORO
CAS # 75-71-8
RTECS # PA8200000
Agent Code 24095

Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
019 MANAGERS AND ADMINISTRATORS, N.E.C. 761  
044 AEROSPACE ENGINEERS 169  
055 ELECTRICAL AND ELECTRONIC ENGINEERS 1,586  
056 INDUSTRIAL ENGINEERS 147  
057 MECHANICAL ENGINEERS 191  
059 ENGINEERS, N.E.C. 11,313 1,973
065 OPERATIONS AND SYSTEMS RESEARCHERS AND ANALYSTS 24 24
073 CHEMISTS, EXCEPT BIOCHEMISTS 485 56
074 ATMOSPHERIC AND SPACE SCIENTISTS 22  
078 BIOLOGICAL AND LIFE SCIENTISTS 607 548
083 MEDICAL SCIENTISTS 1,076 765
084 PHYSICIANS 359 308
086 VETERINARIANS 1,472 294
095 REGISTERED NURSES 20,494 13,313
096 PHARMACISTS 461 244
098 INHALATION THERAPISTS 2,258 1,565
099 OCCUPATIONAL THERAPISTS 188 188
103 PHYSICAL THERAPISTS 3,004 2,317
104 SPEECH THERAPISTS 54 36
188 PAINTERS, SCULPTORS, CRAFT-ARTISTS, AND ARTIST PRINTMAKERS 115  
189 PHOTOGRAPHERS 199  
203 CLINICAL LABORATORY TECHNOLOGISTS AND TECHNICIANS 6,016 4,520
206 RADIOLOGIC TECHNICIANS 51 31
207 LICENSED PRACTICAL NURSES 1,478 1,478
208 HEALTH TECHNOLOGISTS AND TECHNICIANS, N.E.C. 1,135 765
213 ELECTRICAL AND ELECTRONIC TECHNICIANS 8,494 892
215 MECHANICAL ENGINEERING TECHNICIANS 137  
216 ENGINEERING TECHNICIANS, N.E.C. 5,741 338
224 CHEMICAL TECHNICIANS 825 59
225 SCIENCE TECHNICIANS, N.E.C. 547  
228 BROADCAST EQUIPMENT OPERATORS 518 259
235 TECHNICIANS, N.E.C. 10,973 2,394
306 CHIEF COMMUNICATIONS OPERATORS 971  
335 FILE CLERKS 976 484
364 TRAFFIC, SHIPPING, AND RECEIVING CLERKS 717 124
365 STOCK AND INVENTORY CLERKS 2,005 1,391
379 GENERAL OFFICE CLERKS 1,718 873
444 MISCELLANEOUS FOOD PREPARATION OCCUPATIONS 1,978 1,538
446 HEALTH AIDES, EXCEPT NURSING 3,989 2,887
447 NURSING AIDES, ORDERLIES, AND ATTENDANTS 111 61
448 SUPERVISORS, CLEANING AND BUILDING SERVICE WORKERS 614 368
449 MAIDS AND HOUSEMEN 12,269 6,971
453 JANITORS AND CLEANERS 38,866 12,724
455 PEST CONTROL OCCUPATIONS 3,732 574
487 ANIMAL CARETAKERS, EXCEPT FARM 589 589
503 SUPERVISORS, MECHANICS AND REPAIRERS 1,013  
505 AUTOMOBILE MECHANICS 21,182  
507 BUS, TRUCK, AND STATIONARY ENGINE MECHANICS 19,538  
508 AIRCRAFT ENGINE MECHANICS 3,047 207
514 AUTOMOBILE BODY AND RELATED REPAIRERS 5,917  
515 AIRCRAFT MECHANICS, EXC. ENGINE 6,998 9
516 HEAVY EQUIPMENT MECHANICS 4,035  
518 INDUSTRIAL MACHINERY REPAIRERS 3,053 18
519 MACHINERY MAINTENANCE OCCUPATIONS 1,246  
523 ELECTRONIC REPAIRERS, COMMUNICATIONS AND INDUSTRIAL EQUIPMENT 6,609 9
525 DATA PROCESSING EQUIPMENT REPAIRERS 114  
526 HOUSEHOLD APPLIANCE AND POWER TOOL REPAIRERS 268  
527 TELEPHONE LINE INSTALLERS AND REPAIRERS 723  
529 TELEPHONE INSTALLERS AND REPAIRERS 2,341  
533 MISCELLANEOUS ELECTRICAL AND ELECTRONIC EQUIPMENT REPAIRERS 138 19
534 HEATING, AIR CONDITIONING, AND REFRIGERATION MECHANICS 27,336 40
544 MILLWRIGHTS 1,691 109
547 SPECIFIED MECHANICS AND REPAIRERS, N.E.C. 1,816  
549 NOT SPECIFIED MECHANICS AND REPAIRERS 15,192 759
563 BRICKMASONS AND STONEMASONS 1,175  
567 CARPENTERS 841 6
575 ELECTRICIANS 4,401  
577 ELECTRICAL POWER INSTALLERS AND REPAIRERS 3,106  
585 PLUMBERS, PIPEFITTERS, AND STEAMFITTERS 14,274  
596 SHEETMETAL DUCT INSTALLERS 873  
597 STRUCTURAL METAL WORKERS 258  
633 SUPERVISORS, PRODUCTION OCCUPATIONS 1,622 144
634 TOOL AND DIE MAKERS 2,232  
637 MACHINISTS 8,030 133
643 BOILERMAKERS 65  
645 PATTERNMAKERS AND MODEL MAKERS, METAL 1,846 852
649 ENGRAVERS, METAL 18  
653 SHEET METAL WORKERS 528  
655 MISCELLANEOUS PRECISION METAL WORKERS 364  
656 PATTERNMAKERS AND MODEL MAKERS, WOOD 82 3
675 HAND MOLDERS AND SHAPERS, EXCEPT JEWELERS 2,763 1,349
676 PATTERNMAKERS, LAY-OUT WORKERS, AND CUTTERS 308  
678 DENTAL LABORATORY AND MEDICAL APPLIANCE TECHNICIANS 582  
679 BOOKBINDERS 45 27
683 ELECTRICAL AND ELECTRONIC EQUIPMENT ASSEMBLERS 8,937 5,124
684 MISCELLANEOUS PRECISION WORKERS, N.E.C. 2,637  
687 BAKERS 1,883 222
689 INSPECTORS, TESTERS, AND GRADERS 4,321 1,037
693 ADJUSTERS AND CALIBRATORS 48 10
696 STATIONARY ENGINEERS 615 75
699 MISCELLANEOUS PLANT AND SYSTEM OPERATORS 680  
703 LATHE AND TURNING MACHINE SET-UP OPERATORS 619 62
704 LATHE AND TURNING MACHINE OPERATORS 51 3
705 MILLING AND PLANING MACHINE OPERATORS 21  
706 PUNCHING AND STAMPING PRESS MACHINE OPERATORS 1,325 25
708 DRILLING AND BORING MACHINE OPERATORS 172 57
709 GRINDING, ABRADING, BUFFING, AND POLISHING MACHINE OPERATORS 656 24
715 MISCELLANEOUS METAL, PLASTIC, STONE, AND GLASS WORKING MACHINE OPERATORS 110  
717 FABRICATING MACHINE OPERATORS, N.E.C. 69 13
719 MOLDING AND CASTING MACHINE OPERATORS 20,787 12,910
723 METAL PLATING MACHINE OPERATORS 113  
725 MISCELLANEOUS METAL AND PLASTIC PROCESSING MACHINE OPERATORS 1,488 306
728 SHAPING AND JOINING MACHINE OPERATORS 595 595
733 MISCELLANEOUS WOODWORKING MACHINE OPERATORS 18  
734 PRINTING MACHINE OPERATORS 2,203 393
735 PHOTOENGRAVERS AND LITHOGRAPHERS 746 22
736 TYPESETTERS AND COMPOSITORS 950  
737 MISCELLANEOUS PRINTING MACHINE OPERATORS 134 81
744 TEXTILE SEWING MACHINE OPERATORS 6,503 5,694
749 MISCELLANEOUS TEXTILE MACHINE OPERATORS 1,183 315
753 CEMENTING AND GLUING MACHINE OPERATORS 83 14
754 PACKAGING AND FILLING MACHINE OPERATORS 76 29
755 EXTRUDING AND FORMING MACHINE OPERATORS 2,040 364
756 MIXING AND BLENDING MACHINE OPERATORS 504  
757 SEPARATING, FILTERING, AND CLARIFYING MACHINE OPERATORS 1,007 73
759 PAINTING AND PAINT SPRAYING MACHINE OPERATORS 3,009 2,143
765 FOLDING MACHINE OPERATORS 2,441 2,347
766 FURNACE, KILN, AND OVEN OPERATORS, EXC. FOOD 3,142 908
769 SLICING AND CUTTING MACHINE OPERATORS 2,105 256
774 PHOTOGRAPHIC PROCESS MACHINE OPERATORS 163 28
777 MISCELLANEOUS MACHINE OPERATORS, N.E.C. 15,671 4,179
779 MACHINE OPERATORS, NOT SPECIFIED 34,811 11,639
783 WELDERS AND CUTTERS 2,122 51
784 SOLDERERS AND BRAZERS 48 32
785 ASSEMBLERS 55,552 26,939
786 HAND CUTTING AND TRIMMING OCCUPATIONS 189  
796 PRODUCTION INSPECTORS, CHECKERS, AND EXAMINERS 1,468 549
797 PRODUCTION TESTERS 3,692 608
806 DRIVER-SALES WORKERS 182  
856 INDUSTRIAL TRUCK AND TRACTOR EQUIPMENT OPERATORS 289  
859 MISCELLANEOUS MATERIAL MOVING EQUIPMENT OPERATORS 1,047 239
864 HELPERS, MECHANICS AND REPAIRERS 454  
869 CONSTRUCTION LABORERS 5,888  
873 PRODUCTION HELPERS 3  
878 MACHINE FEEDERS AND OFFBEARERS 276 154
883 FREIGHT, STOCK, AND MATERIAL MOVERS, HAND, N.E.C. 52  
885 GARAGE AND SERVICE STATION RELATED OCCUPATIONS 684  
887 VEHICLE WASHERS AND EQUIPMENT CLEANERS 202  
888 HAND PACKERS AND PACKAGERS 1,606 1,272
889 LABORERS, EXCEPT CONSTRUCTION 12 12
TOTAL 510,790 143,439

*(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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