| Agent Name | SILICA GEL |
| CAS # | 63231-67-4 |
| RTECS # | VV8850000 |
| Agent Code | M1532 |
| Code | Occupation Description (1980) | Total # Employees (Male & Female) |
Total # Female Employees |
| 019 | MANAGERS AND ADMINISTRATORS, N.E.C. | 300 | |
| 036 | INSPECTORS AND COMPLIANCE OFFICERS, EXC. CONSTRUCTION | 32 | 32 |
| 055 | ELECTRICAL AND ELECTRONIC ENGINEERS | 249 | |
| 057 | MECHANICAL ENGINEERS | 210 | |
| 059 | ENGINEERS, N.E.C. | 47 | 11 |
| 073 | CHEMISTS, EXCEPT BIOCHEMISTS | 1,893 | 280 |
| 084 | PHYSICIANS | 49 | 33 |
| 185 | DESIGNERS | 332 | |
| 188 | PAINTERS, SCULPTORS, CRAFT-ARTISTS, AND ARTIST PRINTMAKERS | 555 | 499 |
| 189 | PHOTOGRAPHERS | 813 | 142 |
| 203 | CLINICAL LABORATORY TECHNOLOGISTS AND TECHNICIANS | 76 | 55 |
| 213 | ELECTRICAL AND ELECTRONIC TECHNICIANS | 66 | |
| 216 | ENGINEERING TECHNICIANS, N.E.C. | 110 | 110 |
| 218 | SURVEYING AND MAPPING TECHNICIANS | 45 | |
| 224 | CHEMICAL TECHNICIANS | 1,950 | 418 |
| 235 | TECHNICIANS, N.E.C. | 588 | 5 |
| 364 | TRAFFIC, SHIPPING, AND RECEIVING CLERKS | 1,073 | 239 |
| 365 | STOCK AND INVENTORY CLERKS | 37 | |
| 368 | WEIGHERS, MEASURERS, AND CHECKERS | 57 | |
| 453 | JANITORS AND CLEANERS | 5,732 | 1,298 |
| 505 | AUTOMOBILE MECHANICS | 4,025 | |
| 507 | BUS, TRUCK, AND STATIONARY ENGINE MECHANICS | 1,037 | |
| 514 | AUTOMOBILE BODY AND RELATED REPAIRERS | 6,445 | |
| 519 | MACHINERY MAINTENANCE OCCUPATIONS | 111 | |
| 549 | NOT SPECIFIED MECHANICS AND REPAIRERS | 1,088 | |
| 567 | CARPENTERS | 292 | |
| 575 | ELECTRICIANS | 65 | |
| 579 | PAINTERS, CONSTRUCTION AND MAINTENANCE | 3,037 | 51 |
| 585 | PLUMBERS, PIPEFITTERS, AND STEAMFITTERS | 172 | |
| 593 | INSULATION WORKERS | 418 | |
| 595 | ROOFERS | 4,576 | |
| 597 | STRUCTURAL METAL WORKERS | 469 | |
| 633 | SUPERVISORS, PRODUCTION OCCUPATIONS | 302 | |
| 637 | MACHINISTS | 262 | |
| 643 | BOILERMAKERS | 48 | |
| 653 | SHEET METAL WORKERS | 504 | 151 |
| 689 | INSPECTORS, TESTERS, AND GRADERS | 18 | 6 |
| 696 | STATIONARY ENGINEERS | 851 | |
| 719 | MOLDING AND CASTING MACHINE OPERATORS | 716 | |
| 734 | PRINTING MACHINE OPERATORS | 10,910 | 85 |
| 735 | PHOTOENGRAVERS AND LITHOGRAPHERS | 364 | 32 |
| 737 | MISCELLANEOUS PRINTING MACHINE OPERATORS | 423 | 121 |
| 749 | MISCELLANEOUS TEXTILE MACHINE OPERATORS | 345 | |
| 754 | PACKAGING AND FILLING MACHINE OPERATORS | 18 | |
| 756 | MIXING AND BLENDING MACHINE OPERATORS | 447 | 60 |
| 759 | PAINTING AND PAINT SPRAYING MACHINE OPERATORS | 3,411 | 770 |
| 766 | FURNACE, KILN, AND OVEN OPERATORS, EXC. FOOD | 1,102 | 39 |
| 774 | PHOTOGRAPHIC PROCESS MACHINE OPERATORS | 305 | |
| 777 | MISCELLANEOUS MACHINE OPERATORS, N.E.C. | 112 | |
| 779 | MACHINE OPERATORS, NOT SPECIFIED | 5,716 | |
| 783 | WELDERS AND CUTTERS | 248 | |
| 785 | ASSEMBLERS | 1,741 | 1,693 |
| 789 | HAND PAINTING, COATING, AND DECORATING OCCUPATIONS | 626 | 14 |
| 796 | PRODUCTION INSPECTORS, CHECKERS, AND EXAMINERS | 6 | |
| 859 | MISCELLANEOUS MATERIAL MOVING EQUIPMENT OPERATORS | 687 | |
| 869 | CONSTRUCTION LABORERS | 2,183 | 5 |
| 873 | PRODUCTION HELPERS | 584 | |
| 878 | MACHINE FEEDERS AND OFFBEARERS | 32 | 5 |
| 887 | VEHICLE WASHERS AND EQUIPMENT CLEANERS | 98 | |
| 888 | HAND PACKERS AND PACKAGERS | 1,062 | 944 |
| 889 | LABORERS, EXCEPT CONSTRUCTION | 28 | 11 |
| TOTAL | 69,100 | 7,109 | |
*(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.