| Agent Name | BUTANONE, 2- |
| CAS # | 78-93-3 |
| RTECS # | EL6475000 |
| Agent Code | 13980 |
| Code | Occupation Description (1980) | Total # Employees (Male & Female) |
Total # Female Employees |
| 007 | FINANCIAL MANAGERS | 187 | 11 |
| 008 | PERSONNEL AND LABOR RELATIONS MANAGERS | 72 | |
| 013 | MANAGERS, MARKETING, ADVERTISING, AND PUBLIC RELATIONS | 60 | |
| 019 | MANAGERS AND ADMINISTRATORS, N.E.C. | 2,023 | 108 |
| 027 | PERSONNEL, TRAINING, AND LABOR RELATIONS SPECIALISTS | 302 | 139 |
| 044 | AEROSPACE ENGINEERS | 202 | |
| 045 | METALLURGICAL AND MATERIALS ENGINEERS | 12 | |
| 048 | CHEMICAL ENGINEERS | 822 | 159 |
| 055 | ELECTRICAL AND ELECTRONIC ENGINEERS | 462 | 6 |
| 056 | INDUSTRIAL ENGINEERS | 80 | 53 |
| 057 | MECHANICAL ENGINEERS | 180 | |
| 059 | ENGINEERS, N.E.C. | 10,266 | 1,982 |
| 064 | COMPUTER SYSTEMS ANALYSTS AND SCIENTISTS | 386 | 125 |
| 069 | PHYSICISTS AND ASTRONOMERS | 14 | |
| 073 | CHEMISTS, EXCEPT BIOCHEMISTS | 7,516 | 1,206 |
| 074 | ATMOSPHERIC AND SPACE SCIENTISTS | 22 | |
| 078 | BIOLOGICAL AND LIFE SCIENTISTS | 15 | |
| 084 | PHYSICIANS | 49 | 33 |
| 095 | REGISTERED NURSES | 105 | 82 |
| 096 | PHARMACISTS | 82 | |
| 098 | INHALATION THERAPISTS | 952 | 516 |
| 099 | OCCUPATIONAL THERAPISTS | 824 | 704 |
| 105 | THERAPISTS, N.E.C. | 29 | 29 |
| 159 | TEACHERS, N.E.C. | 43 | |
| 185 | DESIGNERS | 544 | 81 |
| 188 | PAINTERS, SCULPTORS, CRAFT-ARTISTS, AND ARTIST PRINTMAKERS | 461 | 70 |
| 189 | PHOTOGRAPHERS | 11 | |
| 194 | ARTISTS, PERFORMERS, AND RELATED WORKERS, N.E.C. | 137 | 59 |
| 203 | CLINICAL LABORATORY TECHNOLOGISTS AND TECHNICIANS | 1,900 | 1,301 |
| 204 | DENTAL HYGIENISTS | 85 | 49 |
| 213 | ELECTRICAL AND ELECTRONIC TECHNICIANS | 7,047 | 2,101 |
| 215 | MECHANICAL ENGINEERING TECHNICIANS | 253 | 60 |
| 216 | ENGINEERING TECHNICIANS, N.E.C. | 9,527 | 1,552 |
| 217 | DRAFTING OCCUPATIONS | 1,105 | |
| 218 | SURVEYING AND MAPPING TECHNICIANS | 45 | |
| 223 | BIOLOGICAL TECHNICIANS | 539 | 77 |
| 224 | CHEMICAL TECHNICIANS | 13,984 | 3,783 |
| 225 | SCIENCE TECHNICIANS, N.E.C. | 2,096 | 739 |
| 235 | TECHNICIANS, N.E.C. | 11,482 | 2,018 |
| 243 | SUPERVISORS AND PROPRIETORS, SALES OCCUPATIONS | 307 | |
| 259 | SALES REPRESENTATIVES, MINING, MANUFACTURING, AND WHOLESALE | 507 | |
| 269 | SALES WORKERS, PARTS | 132 | |
| 274 | SALES WORKERS, OTHER COMMODITIES | 3,130 | 1,315 |
| 303 | SUPERVISORS, GENERAL OFFICE | 836 | 717 |
| 313 | SECRETARIES | 356 | 356 |
| 335 | FILE CLERKS | 390 | 15 |
| 345 | DUPLICATING MACHINE OPERATORS | 748 | 748 |
| 347 | OFFICE MACHINE OPERATORS, N.E.C. | 191 | 191 |
| 363 | PRODUCTION COORDINATORS | 4,411 | |
| 364 | TRAFFIC, SHIPPING, AND RECEIVING CLERKS | 2,964 | 237 |
| 365 | STOCK AND INVENTORY CLERKS | 1,321 | 468 |
| 368 | WEIGHERS, MEASURERS, AND CHECKERS | 352 | 222 |
| 379 | GENERAL OFFICE CLERKS | 197 | 23 |
| 385 | DATA-ENTRY KEYERS | 1,636 | 764 |
| 389 | ADMINISTRATIVE SUPPORT OCCUPATIONS, N.E.C. | 1,513 | |
| 445 | DENTAL ASSISTANTS | 76 | 46 |
| 449 | MAIDS AND HOUSEMEN | 2,478 | 1,402 |
| 453 | JANITORS AND CLEANERS | 82,293 | 3,618 |
| 454 | ELEVATOR OPERATORS | 43 | |
| 458 | HAIRDRESSERS AND COSMETOLOGISTS | 2,575 | 2,121 |
| 469 | PERSONAL SERVICE OCCUPATIONS, N.E.C. | 302 | 98 |
| 496 | TIMBER CUTTING AND LOGGING OCCUPATIONS | 397 | 227 |
| 503 | SUPERVISORS, MECHANICS AND REPAIRERS | 4,388 | |
| 505 | AUTOMOBILE MECHANICS | 49,377 | 42 |
| 507 | BUS, TRUCK, AND STATIONARY ENGINE MECHANICS | 15,660 | |
| 508 | AIRCRAFT ENGINE MECHANICS | 16,944 | 608 |
| 509 | SMALL ENGINE REPAIRERS | 427 | 50 |
| 514 | AUTOMOBILE BODY AND RELATED REPAIRERS | 21,198 | |
| 515 | AIRCRAFT MECHANICS, EXC. ENGINE | 5,999 | 29 |
| 516 | HEAVY EQUIPMENT MECHANICS | 18,223 | 156 |
| 518 | INDUSTRIAL MACHINERY REPAIRERS | 14,789 | 64 |
| 519 | MACHINERY MAINTENANCE OCCUPATIONS | 1,541 | 31 |
| 523 | ELECTRONIC REPAIRERS, COMMUNICATIONS AND INDUSTRIAL EQUIPMENT | 2,895 | 6 |
| 527 | TELEPHONE LINE INSTALLERS AND REPAIRERS | 723 | |
| 529 | TELEPHONE INSTALLERS AND REPAIRERS | 8,692 | 36 |
| 533 | MISCELLANEOUS ELECTRICAL AND ELECTRONIC EQUIPMENT REPAIRERS | 2,898 | |
| 534 | HEATING, AIR CONDITIONING, AND REFRIGERATION MECHANICS | 18,192 | |
| 535 | CAMERA, WATCH, AND MUSICAL INSTRUMENT REPAIRERS | 641 | |
| 538 | OFFICE MACHINE REPAIRERS | 1,808 | |
| 539 | MECHANICAL CONTROLS AND VALVE REPAIRERS | 2,515 | |
| 543 | ELEVATOR INSTALLERS AND REPAIRERS | 3,842 | |
| 544 | MILLWRIGHTS | 365 | 7 |
| 547 | SPECIFIED MECHANICS AND REPAIRERS, N.E.C. | 9,811 | 1,548 |
| 549 | NOT SPECIFIED MECHANICS AND REPAIRERS | 33,736 | 1,391 |
| 554 | SUPERVISORS, CARPENTERS AND RELATED WORKERS | 34 | |
| 555 | SUPERVISORS, ELECTRICIANS AND POWER TRANSMISSION INSTALLERS | 429 | |
| 557 | SUPERVISORS; PLUMBERS, PIPEFITTERS, AND STEAMFITTERS | 3,250 | |
| 558 | SUPERVISORS, N.E.C. | 2,051 | |
| 563 | BRICKMASONS AND STONEMASONS | 1,424 | |
| 565 | TILE SETTERS, HARD AND SOFT | 5,655 | |
| 566 | CARPET INSTALLERS | 1,658 | |
| 567 | CARPENTERS | 24,836 | 282 |
| 569 | CARPENTER APPRENTICES | 170 | |
| 573 | DRYWALL INSTALLERS | 2,264 | |
| 575 | ELECTRICIANS | 80,685 | 210 |
| 576 | ELECTRICIAN APPRENTICES | 368 | |
| 577 | ELECTRICAL POWER INSTALLERS AND REPAIRERS | 12,836 | 147 |
| 579 | PAINTERS, CONSTRUCTION AND MAINTENANCE | 16,189 | 920 |
| 585 | PLUMBERS, PIPEFITTERS, AND STEAMFITTERS | 65,297 | 326 |
| 588 | CONCRETE AND TERRAZZO FINISHERS | 122 | |
| 589 | GLAZIERS | 3,249 | 224 |
| 593 | INSULATION WORKERS | 8,868 | 562 |
| 595 | ROOFERS | 9,885 | |
| 596 | SHEETMETAL DUCT INSTALLERS | 2,142 | 17 |
| 597 | STRUCTURAL METAL WORKERS | 2,844 | |
| 599 | CONSTRUCTION TRADES, N.E.C. | 4,398 | |
| 615 | EXPLOSIVES WORKERS | 25 | |
| 616 | MINING MACHINE OPERATORS | 8,072 | |
| 617 | MINING OCCUPATIONS, N.E.C. | 12,661 | |
| 633 | SUPERVISORS, PRODUCTION OCCUPATIONS | 7,889 | 115 |
| 634 | TOOL AND DIE MAKERS | 3,160 | 32 |
| 635 | TOOL AND DIE MAKER APPRENTICES | 264 | 18 |
| 636 | PRECISION ASSEMBLERS, METAL | 2,238 | 1,017 |
| 637 | MACHINISTS | 36,737 | 1,071 |
| 643 | BOILERMAKERS | 58 | 6 |
| 645 | PATTERNMAKERS AND MODEL MAKERS, METAL | 3,818 | 852 |
| 646 | LAY-OUT WORKERS | 58 | |
| 647 | PRECIOUS STONES AND METALS WORKERS (JEWELERS) | 145 | |
| 649 | ENGRAVERS, METAL | 659 | 128 |
| 653 | SHEET METAL WORKERS | 8,868 | 217 |
| 655 | MISCELLANEOUS PRECISION METAL WORKERS | 122 | |
| 656 | PATTERNMAKERS AND MODEL MAKERS, WOOD | 168 | 24 |
| 657 | CABINET MAKERS AND BENCH CARPENTERS | 1,091 | 151 |
| 658 | FURNITURE AND WOOD FINISHERS | 10,548 | 4,337 |
| 659 | MISCELLANEOUS PRECISION WOODWORKERS | 247 | |
| 668 | UPHOLSTERERS | 590 | |
| 669 | SHOE REPAIRERS | 281 | 152 |
| 674 | MISCELLANEOUS PRECISION APPAREL AND FABRIC WORKERS | 181 | |
| 675 | HAND MOLDERS AND SHAPERS, EXCEPT JEWELERS | 315 | 29 |
| 676 | PATTERNMAKERS, LAY-OUT WORKERS, AND CUTTERS | 893 | |
| 677 | OPTICAL GOODS WORKERS | 849 | 426 |
| 678 | DENTAL LABORATORY AND MEDICAL APPLIANCE TECHNICIANS | 35 | 21 |
| 679 | BOOKBINDERS | 506 | 258 |
| 683 | ELECTRICAL AND ELECTRONIC EQUIPMENT ASSEMBLERS | 12,040 | 8,346 |
| 684 | MISCELLANEOUS PRECISION WORKERS, N.E.C. | 5,693 | 624 |
| 689 | INSPECTORS, TESTERS, AND GRADERS | 920 | 288 |
| 694 | WATER AND SEWAGE TREATMENT PLANT OPERATORS | 49 | |
| 696 | STATIONARY ENGINEERS | 1,161 | 33 |
| 699 | MISCELLANEOUS PLANT AND SYSTEM OPERATORS | 53 | |
| 703 | LATHE AND TURNING MACHINE SET-UP OPERATORS | 462 | |
| 704 | LATHE AND TURNING MACHINE OPERATORS | 1,230 | 3 |
| 705 | MILLING AND PLANING MACHINE OPERATORS | 278 | |
| 706 | PUNCHING AND STAMPING PRESS MACHINE OPERATORS | 7,114 | 5,765 |
| 707 | ROLLING MACHINE OPERATORS | 2,698 | 658 |
| 708 | DRILLING AND BORING MACHINE OPERATORS | 549 | |
| 709 | GRINDING, ABRADING, BUFFING, AND POLISHING MACHINE OPERATORS | 8,865 | 791 |
| 713 | FORGING MACHINE OPERATORS | 247 | |
| 715 | MISCELLANEOUS METAL, PLASTIC, STONE, AND GLASS WORKING MACHINE OPERATORS | 29 | |
| 717 | FABRICATING MACHINE OPERATORS, N.E.C. | 2,786 | 358 |
| 719 | MOLDING AND CASTING MACHINE OPERATORS | 9,474 | 2,286 |
| 723 | METAL PLATING MACHINE OPERATORS | 9,033 | 2,179 |
| 724 | HEAT TREATING EQUIPMENT OPERATORS | 79 | |
| 725 | MISCELLANEOUS METAL AND PLASTIC PROCESSING MACHINE OPERATORS | 705 | 410 |
| 726 | WOOD LATHE, ROUTING, AND PLANING MACHINE OPERATORS | 185 | 34 |
| 727 | SAWING MACHINE OPERATORS | 78 | |
| 733 | MISCELLANEOUS WOODWORKING MACHINE OPERATORS | 4,138 | 73 |
| 734 | PRINTING MACHINE OPERATORS | 24,156 | 3,508 |
| 735 | PHOTOENGRAVERS AND LITHOGRAPHERS | 2,363 | 109 |
| 736 | TYPESETTERS AND COMPOSITORS | 2,233 | 964 |
| 737 | MISCELLANEOUS PRINTING MACHINE OPERATORS | 699 | 110 |
| 738 | WINDING AND TWISTING MACHINE OPERATORS | 1,601 | 952 |
| 739 | KNITTING, LOOPING, TAPING, AND WEAVING MACHINE OPERATORS | 1,947 | 1,168 |
| 743 | TEXTILE CUTTING MACHINE OPERATORS | 689 | 10 |
| 744 | TEXTILE SEWING MACHINE OPERATORS | 8,183 | 6,997 |
| 745 | SHOE MACHINE OPERATORS | 4,238 | 3,181 |
| 747 | PRESSING MACHINE OPERATORS | 657 | 657 |
| 748 | LAUNDERING AND DRY CLEANING MACHINE OPERATORS | 329 | 329 |
| 749 | MISCELLANEOUS TEXTILE MACHINE OPERATORS | 8,873 | 1,093 |
| 753 | CEMENTING AND GLUING MACHINE OPERATORS | 6,060 | 3,136 |
| 754 | PACKAGING AND FILLING MACHINE OPERATORS | 1,204 | 62 |
| 755 | EXTRUDING AND FORMING MACHINE OPERATORS | 7,519 | 1,333 |
| 756 | MIXING AND BLENDING MACHINE OPERATORS | 9,616 | 552 |
| 757 | SEPARATING, FILTERING, AND CLARIFYING MACHINE OPERATORS | 3,970 | 141 |
| 758 | COMPRESSING AND COMPACTING MACHINE OPERATORS | 40 | |
| 759 | PAINTING AND PAINT SPRAYING MACHINE OPERATORS | 89,330 | 16,063 |
| 763 | ROASTING AND BAKING MACHINE OPERATORS, FOOD | 28 | |
| 764 | WASHING, CLEANING, AND PICKLING MACHINE OPERATORS | 125 | 125 |
| 765 | FOLDING MACHINE OPERATORS | 2,849 | 2,598 |
| 766 | FURNACE, KILN, AND OVEN OPERATORS, EXC. FOOD | 4,471 | 232 |
| 768 | CRUSHING AND GRINDING MACHINE OPERATORS | 369 | 29 |
| 769 | SLICING AND CUTTING MACHINE OPERATORS | 11,372 | 2,882 |
| 774 | PHOTOGRAPHIC PROCESS MACHINE OPERATORS | 885 | 673 |
| 777 | MISCELLANEOUS MACHINE OPERATORS, N.E.C. | 40,766 | 7,705 |
| 779 | MACHINE OPERATORS, NOT SPECIFIED | 44,473 | 9,135 |
| 783 | WELDERS AND CUTTERS | 12,116 | 344 |
| 784 | SOLDERERS AND BRAZERS | 877 | 458 |
| 785 | ASSEMBLERS | 185,235 | 87,960 |
| 786 | HAND CUTTING AND TRIMMING OCCUPATIONS | 223 | 223 |
| 789 | HAND PAINTING, COATING, AND DECORATING OCCUPATIONS | 3,934 | 125 |
| 793 | HAND ENGRAVING AND PRINTING OCCUPATIONS | 23 | 3 |
| 794 | HAND GRINDING AND POLISHING OCCUPATIONS | 70 | 19 |
| 795 | MISCELLANEOUS HAND WORKING OCCUPATIONS | 502 | 68 |
| 796 | PRODUCTION INSPECTORS, CHECKERS, AND EXAMINERS | 12,339 | 3,535 |
| 797 | PRODUCTION TESTERS | 668 | 200 |
| 804 | TRUCK DRIVERS, HEAVY | 3,395 | 363 |
| 806 | DRIVER-SALES WORKERS | 335 | |
| 844 | OPERATING ENGINEERS | 1,380 | |
| 849 | CRANE AND TOWER OPERATORS | 860 | |
| 856 | INDUSTRIAL TRUCK AND TRACTOR EQUIPMENT OPERATORS | 925 | 24 |
| 859 | MISCELLANEOUS MATERIAL MOVING EQUIPMENT OPERATORS | 6,594 | 795 |
| 869 | CONSTRUCTION LABORERS | 53,416 | 458 |
| 873 | PRODUCTION HELPERS | 6,234 | 961 |
| 878 | MACHINE FEEDERS AND OFFBEARERS | 647 | 314 |
| 883 | FREIGHT, STOCK, AND MATERIAL MOVERS, HAND, N.E.C. | 2,994 | 536 |
| 885 | GARAGE AND SERVICE STATION RELATED OCCUPATIONS | 2,363 | |
| 887 | VEHICLE WASHERS AND EQUIPMENT CLEANERS | 2,265 | 665 |
| 888 | HAND PACKERS AND PACKAGERS | 20,185 | 14,318 |
| 889 | LABORERS, EXCEPT CONSTRUCTION | 18,092 | 3,289 |
| TOTAL | 1,447,456 | 245,372 | |
*(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.