| Agent Name | BI, BISMUTH-MF UNKNOWN |
| CAS # | 7440-69-9 |
| RTECS # | EB2600000 |
| Agent Code | 12783 |
| Code | Occupation Description (1980) | Total # Employees (Male & Female) |
Total # Female Employees |
| 069 | PHYSICISTS AND ASTRONOMERS | 8 | |
| 073 | CHEMISTS, EXCEPT BIOCHEMISTS | 96 | 32 |
| 095 | REGISTERED NURSES | 735 | 531 |
| 203 | CLINICAL LABORATORY TECHNOLOGISTS AND TECHNICIANS | 198 | 151 |
| 206 | RADIOLOGIC TECHNICIANS | 144 | 84 |
| 213 | ELECTRICAL AND ELECTRONIC TECHNICIANS | 99 | 37 |
| 216 | ENGINEERING TECHNICIANS, N.E.C. | 14 | |
| 224 | CHEMICAL TECHNICIANS | 861 | 121 |
| 225 | SCIENCE TECHNICIANS, N.E.C. | 171 | 171 |
| 235 | TECHNICIANS, N.E.C. | 977 | 112 |
| 364 | TRAFFIC, SHIPPING, AND RECEIVING CLERKS | 80 | |
| 386 | STATISTICAL CLERKS | 85 | 85 |
| 444 | MISCELLANEOUS FOOD PREPARATION OCCUPATIONS | 16 | |
| 453 | JANITORS AND CLEANERS | 3,151 | 80 |
| 518 | INDUSTRIAL MACHINERY REPAIRERS | 91 | |
| 519 | MACHINERY MAINTENANCE OCCUPATIONS | 14 | |
| 575 | ELECTRICIANS | 34 | |
| 634 | TOOL AND DIE MAKERS | 160 | |
| 677 | OPTICAL GOODS WORKERS | 1,183 | 430 |
| 683 | ELECTRICAL AND ELECTRONIC EQUIPMENT ASSEMBLERS | 1,708 | 1,537 |
| 684 | MISCELLANEOUS PRECISION WORKERS, N.E.C. | 64 | |
| 689 | INSPECTORS, TESTERS, AND GRADERS | 456 | 209 |
| 703 | LATHE AND TURNING MACHINE SET-UP OPERATORS | 14 | |
| 709 | GRINDING, ABRADING, BUFFING, AND POLISHING MACHINE OPERATORS | 175 | 62 |
| 723 | METAL PLATING MACHINE OPERATORS | 11 | |
| 753 | CEMENTING AND GLUING MACHINE OPERATORS | 286 | 286 |
| 759 | PAINTING AND PAINT SPRAYING MACHINE OPERATORS | 12 | |
| 766 | FURNACE, KILN, AND OVEN OPERATORS, EXC. FOOD | 2,318 | |
| 779 | MACHINE OPERATORS, NOT SPECIFIED | 427 | 342 |
| 784 | SOLDERERS AND BRAZERS | 100 | |
| 785 | ASSEMBLERS | 182 | 52 |
| 796 | PRODUCTION INSPECTORS, CHECKERS, AND EXAMINERS | 128 | 64 |
| 859 | MISCELLANEOUS MATERIAL MOVING EQUIPMENT OPERATORS | 659 | |
| 889 | LABORERS, EXCEPT CONSTRUCTION | 10 | |
| TOTAL | 14,666 | 4,387 | |
*(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.