| 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.