| Agent Name | CASEIN |
| CAS # | 9000-71-9 |
| RTECS # | |
| Agent Code | 83271 |
| Code | Occupation Description (1980) | Total # Employees (Male & Female) |
Total # Female Employees |
| 019 | MANAGERS AND ADMINISTRATORS, N.E.C. | 119 | 28 |
| 078 | BIOLOGICAL AND LIFE SCIENTISTS | 533 | 482 |
| 096 | PHARMACISTS | 412 | 192 |
| 188 | PAINTERS, SCULPTORS, CRAFT-ARTISTS, AND ARTIST PRINTMAKERS | 215 | 29 |
| 203 | CLINICAL LABORATORY TECHNOLOGISTS AND TECHNICIANS | 523 | 488 |
| 216 | ENGINEERING TECHNICIANS, N.E.C. | 484 | |
| 225 | SCIENCE TECHNICIANS, N.E.C. | 471 | 313 |
| 235 | TECHNICIANS, N.E.C. | 14 | 7 |
| 356 | MAIL CLERKS, EXC. POSTAL SERVICE | 1,226 | 350 |
| 364 | TRAFFIC, SHIPPING, AND RECEIVING CLERKS | 352 | 178 |
| 365 | STOCK AND INVENTORY CLERKS | 3,546 | |
| 389 | ADMINISTRATIVE SUPPORT OCCUPATIONS, N.E.C. | 52 | |
| 444 | MISCELLANEOUS FOOD PREPARATION OCCUPATIONS | 482 | 301 |
| 446 | HEALTH AIDES, EXCEPT NURSING | 35 | 14 |
| 453 | JANITORS AND CLEANERS | 3,680 | 35 |
| 454 | ELEVATOR OPERATORS | 363 | |
| 486 | GROUNDSKEEPERS AND GARDENERS, EXCEPT FARM | 730 | 365 |
| 519 | MACHINERY MAINTENANCE OCCUPATIONS | 271 | |
| 547 | SPECIFIED MECHANICS AND REPAIRERS, N.E.C. | 186 | |
| 549 | NOT SPECIFIED MECHANICS AND REPAIRERS | 438 | |
| 567 | CARPENTERS | 11,294 | 6 |
| 573 | DRYWALL INSTALLERS | 3,468 | |
| 575 | ELECTRICIANS | 338 | |
| 579 | PAINTERS, CONSTRUCTION AND MAINTENANCE | 5,723 | 159 |
| 585 | PLUMBERS, PIPEFITTERS, AND STEAMFITTERS | 445 | |
| 633 | SUPERVISORS, PRODUCTION OCCUPATIONS | 65 | |
| 637 | MACHINISTS | 176 | |
| 646 | LAY-OUT WORKERS | 1,827 | 1,522 |
| 653 | SHEET METAL WORKERS | 88 | |
| 668 | UPHOLSTERERS | 488 | |
| 669 | SHOE REPAIRERS | 120 | 120 |
| 675 | HAND MOLDERS AND SHAPERS, EXCEPT JEWELERS | 17 | 11 |
| 687 | BAKERS | 120 | 60 |
| 696 | STATIONARY ENGINEERS | 645 | 645 |
| 709 | GRINDING, ABRADING, BUFFING, AND POLISHING MACHINE OPERATORS | 369 | 31 |
| 719 | MOLDING AND CASTING MACHINE OPERATORS | 399 | 154 |
| 725 | MISCELLANEOUS METAL AND PLASTIC PROCESSING MACHINE OPERATORS | 985 | 131 |
| 726 | WOOD LATHE, ROUTING, AND PLANING MACHINE OPERATORS | 761 | 457 |
| 733 | MISCELLANEOUS WOODWORKING MACHINE OPERATORS | 684 | |
| 734 | PRINTING MACHINE OPERATORS | 753 | |
| 737 | MISCELLANEOUS PRINTING MACHINE OPERATORS | 1,283 | 837 |
| 743 | TEXTILE CUTTING MACHINE OPERATORS | 171 | |
| 745 | SHOE MACHINE OPERATORS | 3,018 | 2,374 |
| 748 | LAUNDERING AND DRY CLEANING MACHINE OPERATORS | 1,475 | |
| 749 | MISCELLANEOUS TEXTILE MACHINE OPERATORS | 1,636 | 419 |
| 753 | CEMENTING AND GLUING MACHINE OPERATORS | 294 | 294 |
| 754 | PACKAGING AND FILLING MACHINE OPERATORS | 980 | 169 |
| 755 | EXTRUDING AND FORMING MACHINE OPERATORS | 676 | 65 |
| 756 | MIXING AND BLENDING MACHINE OPERATORS | 2,121 | 65 |
| 759 | PAINTING AND PAINT SPRAYING MACHINE OPERATORS | 998 | 264 |
| 766 | FURNACE, KILN, AND OVEN OPERATORS, EXC. FOOD | 123 | 31 |
| 769 | SLICING AND CUTTING MACHINE OPERATORS | 4,190 | 1,996 |
| 777 | MISCELLANEOUS MACHINE OPERATORS, N.E.C. | 7,095 | 2,260 |
| 779 | MACHINE OPERATORS, NOT SPECIFIED | 6,677 | 1,117 |
| 783 | WELDERS AND CUTTERS | 102 | |
| 785 | ASSEMBLERS | 5,078 | 1,810 |
| 787 | HAND MOLDING, CASTING, AND FORMING OCCUPATIONS | 200 | 20 |
| 795 | MISCELLANEOUS HAND WORKING OCCUPATIONS | 295 | |
| 796 | PRODUCTION INSPECTORS, CHECKERS, AND EXAMINERS | 288 | 29 |
| 804 | TRUCK DRIVERS, HEAVY | 931 | |
| 856 | INDUSTRIAL TRUCK AND TRACTOR EQUIPMENT OPERATORS | 689 | |
| 859 | MISCELLANEOUS MATERIAL MOVING EQUIPMENT OPERATORS | 339 | |
| 869 | CONSTRUCTION LABORERS | 4,692 | |
| 887 | VEHICLE WASHERS AND EQUIPMENT CLEANERS | 3 | |
| 888 | HAND PACKERS AND PACKAGERS | 5,224 | 3,757 |
| 889 | LABORERS, EXCEPT CONSTRUCTION | 360 | |
| TOTAL | 91,831 | 21,583 | |
*(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.