National Occupational Exposure Survey
(1981 - 1983)

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

Agent Name PENTANONE, 4-HYDROXY-4-METHYL-, 2-
CAS # 123-42-2
RTECS # SA9100000
Agent Code M4016

Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
019 MANAGERS AND ADMINISTRATORS, N.E.C. 1,603  
056 INDUSTRIAL ENGINEERS 80 53
059 ENGINEERS, N.E.C. 83 83
073 CHEMISTS, EXCEPT BIOCHEMISTS 671 34
084 PHYSICIANS 49 33
099 OCCUPATIONAL THERAPISTS 324 314
105 THERAPISTS, N.E.C. 248 248
185 DESIGNERS 641 246
188 PAINTERS, SCULPTORS, CRAFT-ARTISTS, AND ARTIST PRINTMAKERS 1,767 1,001
203 CLINICAL LABORATORY TECHNOLOGISTS AND TECHNICIANS 62 52
213 ELECTRICAL AND ELECTRONIC TECHNICIANS 1,671 893
216 ENGINEERING TECHNICIANS, N.E.C. 629 140
217 DRAFTING OCCUPATIONS 446 14
224 CHEMICAL TECHNICIANS 291 63
225 SCIENCE TECHNICIANS, N.E.C. 471 313
274 SALES WORKERS, OTHER COMMODITIES 1,315 1,315
313 SECRETARIES 161 161
335 FILE CLERKS 480 30
346 MAIL PREPARING AND PAPER HANDLING MACHINE OPERATORS 377 63
347 OFFICE MACHINE OPERATORS, N.E.C. 191 191
364 TRAFFIC, SHIPPING, AND RECEIVING CLERKS 13,205 1,414
365 STOCK AND INVENTORY CLERKS 2,033  
368 WEIGHERS, MEASURERS, AND CHECKERS 7 7
379 GENERAL OFFICE CLERKS 157 157
389 ADMINISTRATIVE SUPPORT OCCUPATIONS, N.E.C. 52  
449 MAIDS AND HOUSEMEN 4,180 2,424
453 JANITORS AND CLEANERS 16,909 279
458 HAIRDRESSERS AND COSMETOLOGISTS 453 453
505 AUTOMOBILE MECHANICS 6,488  
507 BUS, TRUCK, AND STATIONARY ENGINE MECHANICS 1,445  
508 AIRCRAFT ENGINE MECHANICS 6,707 57
514 AUTOMOBILE BODY AND RELATED REPAIRERS 1,917  
515 AIRCRAFT MECHANICS, EXC. ENGINE 667 21
516 HEAVY EQUIPMENT MECHANICS 1,976  
518 INDUSTRIAL MACHINERY REPAIRERS 1,105 46
519 MACHINERY MAINTENANCE OCCUPATIONS 22  
534 HEATING, AIR CONDITIONING, AND REFRIGERATION MECHANICS 638  
538 OFFICE MACHINE REPAIRERS 214  
544 MILLWRIGHTS 123  
547 SPECIFIED MECHANICS AND REPAIRERS, N.E.C. 1,131  
549 NOT SPECIFIED MECHANICS AND REPAIRERS 3,199 231
558 SUPERVISORS, N.E.C. 207  
567 CARPENTERS 1,564 14
575 ELECTRICIANS 115 6
579 PAINTERS, CONSTRUCTION AND MAINTENANCE 2,867 6
583 PAPERHANGERS 387  
585 PLUMBERS, PIPEFITTERS, AND STEAMFITTERS 4,371  
589 GLAZIERS 837  
593 INSULATION WORKERS 44  
597 STRUCTURAL METAL WORKERS 258  
613 SUPERVISORS, EXTRACTIVE OCCUPATIONS 335  
614 DRILLERS, OIL WELL 5,362  
617 MINING OCCUPATIONS, N.E.C. 6,111  
633 SUPERVISORS, PRODUCTION OCCUPATIONS 999  
637 MACHINISTS 10,882 158
647 PRECIOUS STONES AND METALS WORKERS (JEWELERS) 145  
649 ENGRAVERS, METAL 280 88
653 SHEET METAL WORKERS 2,316 28
658 FURNITURE AND WOOD FINISHERS 2,564 1,334
668 UPHOLSTERERS 45  
669 SHOE REPAIRERS 210  
677 OPTICAL GOODS WORKERS 249  
679 BOOKBINDERS 4 4
683 ELECTRICAL AND ELECTRONIC EQUIPMENT ASSEMBLERS 1,221 971
684 MISCELLANEOUS PRECISION WORKERS, N.E.C. 613 107
689 INSPECTORS, TESTERS, AND GRADERS 118 14
694 WATER AND SEWAGE TREATMENT PLANT OPERATORS 66  
696 STATIONARY ENGINEERS 946 720
699 MISCELLANEOUS PLANT AND SYSTEM OPERATORS 26  
703 LATHE AND TURNING MACHINE SET-UP OPERATORS 104  
708 DRILLING AND BORING MACHINE OPERATORS 354  
709 GRINDING, ABRADING, BUFFING, AND POLISHING MACHINE OPERATORS 423 105
717 FABRICATING MACHINE OPERATORS, N.E.C. 849 658
719 MOLDING AND CASTING MACHINE OPERATORS 2,110 872
723 METAL PLATING MACHINE OPERATORS 926  
724 HEAT TREATING EQUIPMENT OPERATORS 12  
733 MISCELLANEOUS WOODWORKING MACHINE OPERATORS 202  
734 PRINTING MACHINE OPERATORS 10,905 2,252
735 PHOTOENGRAVERS AND LITHOGRAPHERS 273 36
737 MISCELLANEOUS PRINTING MACHINE OPERATORS 998  
744 TEXTILE SEWING MACHINE OPERATORS 1,971 1,644
747 PRESSING MACHINE OPERATORS 657 657
748 LAUNDERING AND DRY CLEANING MACHINE OPERATORS 7,666 7,207
749 MISCELLANEOUS TEXTILE MACHINE OPERATORS 2,848 176
753 CEMENTING AND GLUING MACHINE OPERATORS 124 92
754 PACKAGING AND FILLING MACHINE OPERATORS 1,412 598
755 EXTRUDING AND FORMING MACHINE OPERATORS 48  
756 MIXING AND BLENDING MACHINE OPERATORS 2,488 63
757 SEPARATING, FILTERING, AND CLARIFYING MACHINE OPERATORS 23 23
758 COMPRESSING AND COMPACTING MACHINE OPERATORS 64  
759 PAINTING AND PAINT SPRAYING MACHINE OPERATORS 19,392 2,559
766 FURNACE, KILN, AND OVEN OPERATORS, EXC. FOOD 18  
769 SLICING AND CUTTING MACHINE OPERATORS 2,181  
774 PHOTOGRAPHIC PROCESS MACHINE OPERATORS 1,438 1,176
777 MISCELLANEOUS MACHINE OPERATORS, N.E.C. 10,047 2,760
779 MACHINE OPERATORS, NOT SPECIFIED 20,355 5,850
783 WELDERS AND CUTTERS 1,218  
785 ASSEMBLERS 21,096 10,399
786 HAND CUTTING AND TRIMMING OCCUPATIONS 2,494 2,339
789 HAND PAINTING, COATING, AND DECORATING OCCUPATIONS 178 59
793 HAND ENGRAVING AND PRINTING OCCUPATIONS 459  
795 MISCELLANEOUS HAND WORKING OCCUPATIONS 1,286 1,114
796 PRODUCTION INSPECTORS, CHECKERS, AND EXAMINERS 2,876 2,430
797 PRODUCTION TESTERS 309 58
806 DRIVER-SALES WORKERS 335  
849 CRANE AND TOWER OPERATORS 144  
856 INDUSTRIAL TRUCK AND TRACTOR EQUIPMENT OPERATORS 80  
859 MISCELLANEOUS MATERIAL MOVING EQUIPMENT OPERATORS 331  
869 CONSTRUCTION LABORERS 2,510 5
873 PRODUCTION HELPERS 80  
877 STOCK HANDLERS AND BAGGERS 179  
878 MACHINE FEEDERS AND OFFBEARERS 739 377
883 FREIGHT, STOCK, AND MATERIAL MOVERS, HAND, N.E.C. 31  
885 GARAGE AND SERVICE STATION RELATED OCCUPATIONS 684  
888 HAND PACKERS AND PACKAGERS 15,116 8,692
889 LABORERS, EXCEPT CONSTRUCTION 9,297 1,301
TOTAL 264,662 67,291

*(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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