| Agent Name | PUMICE |
| CAS # | 1332-09-8 |
| RTECS # | |
| Agent Code | 92780 |
| Code | Occupation Description (1980) | Total # Employees (Male & Female) |
Total # Female Employees |
| 084 | PHYSICIANS | 65 | 49 |
| 095 | REGISTERED NURSES | 640 | 537 |
| 189 | PHOTOGRAPHERS | 706 | 353 |
| 203 | CLINICAL LABORATORY TECHNOLOGISTS AND TECHNICIANS | 1,333 | 930 |
| 204 | DENTAL HYGIENISTS | 85 | 49 |
| 208 | HEALTH TECHNOLOGISTS AND TECHNICIANS, N.E.C. | 359 | 261 |
| 213 | ELECTRICAL AND ELECTRONIC TECHNICIANS | 69 | 29 |
| 225 | SCIENCE TECHNICIANS, N.E.C. | 313 | 313 |
| 235 | TECHNICIANS, N.E.C. | 4,581 | 611 |
| 243 | SUPERVISORS AND PROPRIETORS, SALES OCCUPATIONS | 334 | |
| 303 | SUPERVISORS, GENERAL OFFICE | 836 | 717 |
| 335 | FILE CLERKS | 192 | |
| 364 | TRAFFIC, SHIPPING, AND RECEIVING CLERKS | 816 | 198 |
| 365 | STOCK AND INVENTORY CLERKS | 251 | |
| 366 | METER READERS | 202 | |
| 449 | MAIDS AND HOUSEMEN | 2,125 | 1,611 |
| 453 | JANITORS AND CLEANERS | 9,819 | 1,732 |
| 505 | AUTOMOBILE MECHANICS | 6,790 | |
| 507 | BUS, TRUCK, AND STATIONARY ENGINE MECHANICS | 460 | |
| 514 | AUTOMOBILE BODY AND RELATED REPAIRERS | 909 | |
| 516 | HEAVY EQUIPMENT MECHANICS | 383 | |
| 518 | INDUSTRIAL MACHINERY REPAIRERS | 656 | |
| 519 | MACHINERY MAINTENANCE OCCUPATIONS | 29 | |
| 533 | MISCELLANEOUS ELECTRICAL AND ELECTRONIC EQUIPMENT REPAIRERS | 5,532 | |
| 535 | CAMERA, WATCH, AND MUSICAL INSTRUMENT REPAIRERS | 41 | 41 |
| 547 | SPECIFIED MECHANICS AND REPAIRERS, N.E.C. | 169 | |
| 549 | NOT SPECIFIED MECHANICS AND REPAIRERS | 839 | |
| 558 | SUPERVISORS, N.E.C. | 450 | |
| 575 | ELECTRICIANS | 310 | |
| 577 | ELECTRICAL POWER INSTALLERS AND REPAIRERS | 3,030 | |
| 579 | PAINTERS, CONSTRUCTION AND MAINTENANCE | 5,708 | |
| 585 | PLUMBERS, PIPEFITTERS, AND STEAMFITTERS | 39 | |
| 595 | ROOFERS | 3,822 | |
| 615 | EXPLOSIVES WORKERS | 25 | |
| 633 | SUPERVISORS, PRODUCTION OCCUPATIONS | 183 | |
| 634 | TOOL AND DIE MAKERS | 918 | |
| 637 | MACHINISTS | 6,247 | 595 |
| 639 | MACHINIST APPRENTICES | 643 | |
| 649 | ENGRAVERS, METAL | 50 | 7 |
| 655 | MISCELLANEOUS PRECISION METAL WORKERS | 364 | |
| 657 | CABINET MAKERS AND BENCH CARPENTERS | 565 | 151 |
| 678 | DENTAL LABORATORY AND MEDICAL APPLIANCE TECHNICIANS | 437 | 378 |
| 679 | BOOKBINDERS | 1,548 | 353 |
| 683 | ELECTRICAL AND ELECTRONIC EQUIPMENT ASSEMBLERS | 953 | |
| 699 | MISCELLANEOUS PLANT AND SYSTEM OPERATORS | 1,090 | |
| 703 | LATHE AND TURNING MACHINE SET-UP OPERATORS | 39 | |
| 706 | PUNCHING AND STAMPING PRESS MACHINE OPERATORS | 337 | 99 |
| 709 | GRINDING, ABRADING, BUFFING, AND POLISHING MACHINE OPERATORS | 1,036 | 135 |
| 723 | METAL PLATING MACHINE OPERATORS | 2,718 | 442 |
| 727 | SAWING MACHINE OPERATORS | 232 | |
| 734 | PRINTING MACHINE OPERATORS | 7,638 | 2,090 |
| 735 | PHOTOENGRAVERS AND LITHOGRAPHERS | 36 | 7 |
| 749 | MISCELLANEOUS TEXTILE MACHINE OPERATORS | 52 | 26 |
| 754 | PACKAGING AND FILLING MACHINE OPERATORS | 89 | |
| 756 | MIXING AND BLENDING MACHINE OPERATORS | 170 | 27 |
| 759 | PAINTING AND PAINT SPRAYING MACHINE OPERATORS | 2,612 | |
| 764 | WASHING, CLEANING, AND PICKLING MACHINE OPERATORS | 417 | 417 |
| 765 | FOLDING MACHINE OPERATORS | 843 | 843 |
| 766 | FURNACE, KILN, AND OVEN OPERATORS, EXC. FOOD | 31 | |
| 769 | SLICING AND CUTTING MACHINE OPERATORS | 29 | |
| 774 | PHOTOGRAPHIC PROCESS MACHINE OPERATORS | 153 | |
| 777 | MISCELLANEOUS MACHINE OPERATORS, N.E.C. | 6,292 | 839 |
| 779 | MACHINE OPERATORS, NOT SPECIFIED | 1,113 | |
| 783 | WELDERS AND CUTTERS | 1,256 | |
| 785 | ASSEMBLERS | 2,596 | 530 |
| 789 | HAND PAINTING, COATING, AND DECORATING OCCUPATIONS | 316 | |
| 794 | HAND GRINDING AND POLISHING OCCUPATIONS | 220 | 220 |
| 796 | PRODUCTION INSPECTORS, CHECKERS, AND EXAMINERS | 1,171 | 487 |
| 843 | SUPERVISORS, MATERIAL MOVING EQUIPMENT OPERATORS | 334 | |
| 849 | CRANE AND TOWER OPERATORS | 29 | |
| 856 | INDUSTRIAL TRUCK AND TRACTOR EQUIPMENT OPERATORS | 95 | |
| 859 | MISCELLANEOUS MATERIAL MOVING EQUIPMENT OPERATORS | 268 | |
| 869 | CONSTRUCTION LABORERS | 2,593 | |
| 873 | PRODUCTION HELPERS | 349 | |
| 885 | GARAGE AND SERVICE STATION RELATED OCCUPATIONS | 4,026 | |
| 888 | HAND PACKERS AND PACKAGERS | 2,665 | 1,924 |
| 889 | LABORERS, EXCEPT CONSTRUCTION | 133 | 133 |
| TOTAL | 104,802 | 17,134 | |
*(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.