| Agent Name | UREA, 1,3-DIETHYL-2-THIO- |
| CAS # | 105-55-5 |
| RTECS # | YS9800000 |
| Agent Code | 84809 |
| Code | Occupation Description (1980) | Total # Employees (Male & Female) |
Total # Female Employees |
| 059 | ENGINEERS, N.E.C. | 61 | |
| 095 | REGISTERED NURSES | 31 | 31 |
| 208 | HEALTH TECHNOLOGISTS AND TECHNICIANS, N.E.C. | 31 | 31 |
| 224 | CHEMICAL TECHNICIANS | 44 | |
| 365 | STOCK AND INVENTORY CLERKS | 278 | 243 |
| 374 | MATERIAL RECORDING, SCHEDULING, AND DISTRIBUTING CLERKS, N.E.C. | 5 | |
| 453 | JANITORS AND CLEANERS | 937 | |
| 519 | MACHINERY MAINTENANCE OCCUPATIONS | 137 | |
| 534 | HEATING, AIR CONDITIONING, AND REFRIGERATION MECHANICS | 12 | |
| 544 | MILLWRIGHTS | 135 | |
| 585 | PLUMBERS, PIPEFITTERS, AND STEAMFITTERS | 21 | |
| 633 | SUPERVISORS, PRODUCTION OCCUPATIONS | 253 | |
| 637 | MACHINISTS | 1,362 | |
| 643 | BOILERMAKERS | 141 | |
| 678 | DENTAL LABORATORY AND MEDICAL APPLIANCE TECHNICIANS | 948 | 316 |
| 696 | STATIONARY ENGINEERS | 91 | |
| 707 | ROLLING MACHINE OPERATORS | 1,031 | |
| 723 | METAL PLATING MACHINE OPERATORS | 1,804 | |
| 724 | HEAT TREATING EQUIPMENT OPERATORS | 10 | |
| 756 | MIXING AND BLENDING MACHINE OPERATORS | 231 | |
| 766 | FURNACE, KILN, AND OVEN OPERATORS, EXC. FOOD | 188 | |
| 777 | MISCELLANEOUS MACHINE OPERATORS, N.E.C. | 2,215 | 27 |
| 779 | MACHINE OPERATORS, NOT SPECIFIED | 361 | 37 |
| 796 | PRODUCTION INSPECTORS, CHECKERS, AND EXAMINERS | 52 | |
| 849 | CRANE AND TOWER OPERATORS | 27 | |
| 873 | PRODUCTION HELPERS | 226 | |
| 878 | MACHINE FEEDERS AND OFFBEARERS | 135 | 54 |
| 887 | VEHICLE WASHERS AND EQUIPMENT CLEANERS | 716 | |
| TOTAL | 11,484 | 739 | |
*(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.