| Agent Name | C.I. ACID BLUE 9, DISODIUM SALT |
| CAS # | 3844-45-9 |
| RTECS # | BQ4725000 |
| Agent Code | X4021 |
| Code | Occupation Description (1980) | Total # Employees (Male & Female) |
Total # Female Employees |
| 095 | REGISTERED NURSES | 691 | 691 |
| 098 | INHALATION THERAPISTS | 160 | 120 |
| 099 | OCCUPATIONAL THERAPISTS | 31 | 31 |
| 103 | PHYSICAL THERAPISTS | 328 | 328 |
| 203 | CLINICAL LABORATORY TECHNOLOGISTS AND TECHNICIANS | 859 | 771 |
| 224 | CHEMICAL TECHNICIANS | 170 | |
| 363 | PRODUCTION COORDINATORS | 170 | 170 |
| 433 | SUPERVISORS, FOOD PREPARATION AND SERVICE OCCUPATIONS | 20 | 20 |
| 444 | MISCELLANEOUS FOOD PREPARATION OCCUPATIONS | 375 | 228 |
| 446 | HEALTH AIDES, EXCEPT NURSING | 31 | 31 |
| 447 | NURSING AIDES, ORDERLIES, AND ATTENDANTS | 1,845 | 1,845 |
| 449 | MAIDS AND HOUSEMEN | 1,222 | 642 |
| 453 | JANITORS AND CLEANERS | 1,903 | 31 |
| 458 | HAIRDRESSERS AND COSMETOLOGISTS | 18,625 | 15,455 |
| 518 | INDUSTRIAL MACHINERY REPAIRERS | 3,013 | |
| 547 | SPECIFIED MECHANICS AND REPAIRERS, N.E.C. | 519 | |
| 567 | CARPENTERS | 62 | |
| 633 | SUPERVISORS, PRODUCTION OCCUPATIONS | 598 | |
| 686 | BUTCHERS AND MEAT CUTTERS | 973 | 31 |
| 687 | BAKERS | 184 | |
| 688 | FOOD BATCHMAKERS | 323 | |
| 696 | STATIONARY ENGINEERS | 23 | |
| 709 | GRINDING, ABRADING, BUFFING, AND POLISHING MACHINE OPERATORS | 132 | |
| 724 | HEAT TREATING EQUIPMENT OPERATORS | 524 | |
| 734 | PRINTING MACHINE OPERATORS | 14 | |
| 738 | WINDING AND TWISTING MACHINE OPERATORS | 3,963 | 3,072 |
| 739 | KNITTING, LOOPING, TAPING, AND WEAVING MACHINE OPERATORS | 3,226 | 1,702 |
| 743 | TEXTILE CUTTING MACHINE OPERATORS | 364 | |
| 744 | TEXTILE SEWING MACHINE OPERATORS | 62 | |
| 748 | LAUNDERING AND DRY CLEANING MACHINE OPERATORS | 15 | |
| 749 | MISCELLANEOUS TEXTILE MACHINE OPERATORS | 5,310 | 2,496 |
| 756 | MIXING AND BLENDING MACHINE OPERATORS | 1,808 | 19 |
| 766 | FURNACE, KILN, AND OVEN OPERATORS, EXC. FOOD | 686 | 18 |
| 768 | CRUSHING AND GRINDING MACHINE OPERATORS | 1,816 | |
| 777 | MISCELLANEOUS MACHINE OPERATORS, N.E.C. | 688 | 223 |
| 779 | MACHINE OPERATORS, NOT SPECIFIED | 332 | 119 |
| 785 | ASSEMBLERS | 2,534 | |
| 796 | PRODUCTION INSPECTORS, CHECKERS, AND EXAMINERS | 934 | 907 |
| 856 | INDUSTRIAL TRUCK AND TRACTOR EQUIPMENT OPERATORS | 62 | |
| 859 | MISCELLANEOUS MATERIAL MOVING EQUIPMENT OPERATORS | 374 | 31 |
| 873 | PRODUCTION HELPERS | 526 | 409 |
| 878 | MACHINE FEEDERS AND OFFBEARERS | 934 | 249 |
| 887 | VEHICLE WASHERS AND EQUIPMENT CLEANERS | 342 | 93 |
| 888 | HAND PACKERS AND PACKAGERS | 1,010 | 406 |
| 889 | LABORERS, EXCEPT CONSTRUCTION | 93 | |
| TOTAL | 57,876 | 30,139 | |
*(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.