| Agent Name | ULTRASOUND |
| CAS # | |
| RTECS # | |
| Agent Code | P0640 |
| Code | Occupation Description (1980) | Total # Employees (Male & Female) |
Total # Female Employees |
| 073 | CHEMISTS, EXCEPT BIOCHEMISTS | 1,669 | 485 |
| 084 | PHYSICIANS | 1,771 | 1,121 |
| 085 | DENTISTS | 36 | |
| 086 | VETERINARIANS | 1,695 | 339 |
| 095 | REGISTERED NURSES | 23,534 | 22,798 |
| 096 | PHARMACISTS | 59 | 20 |
| 098 | INHALATION THERAPISTS | 1,749 | 1,192 |
| 099 | OCCUPATIONAL THERAPISTS | 300 | 197 |
| 103 | PHYSICAL THERAPISTS | 10,566 | 8,068 |
| 104 | SPEECH THERAPISTS | 51 | 51 |
| 203 | CLINICAL LABORATORY TECHNOLOGISTS AND TECHNICIANS | 7,014 | 4,437 |
| 206 | RADIOLOGIC TECHNICIANS | 5,590 | 3,528 |
| 207 | LICENSED PRACTICAL NURSES | 3,393 | 3,393 |
| 208 | HEALTH TECHNOLOGISTS AND TECHNICIANS, N.E.C. | 2,155 | 1,972 |
| 213 | ELECTRICAL AND ELECTRONIC TECHNICIANS | 1,248 | 208 |
| 216 | ENGINEERING TECHNICIANS, N.E.C. | 571 | 27 |
| 224 | CHEMICAL TECHNICIANS | 25 | 21 |
| 225 | SCIENCE TECHNICIANS, N.E.C. | 330 | 90 |
| 235 | TECHNICIANS, N.E.C. | 1,692 | 686 |
| 259 | SALES REPRESENTATIVES, MINING, MANUFACTURING, AND WHOLESALE | 1,649 | 733 |
| 335 | FILE CLERKS | 705 | 484 |
| 364 | TRAFFIC, SHIPPING, AND RECEIVING CLERKS | 80 | |
| 365 | STOCK AND INVENTORY CLERKS | 2,766 | 1,873 |
| 379 | GENERAL OFFICE CLERKS | 137 | 39 |
| 445 | DENTAL ASSISTANTS | 58 | 27 |
| 446 | HEALTH AIDES, EXCEPT NURSING | 323 | 234 |
| 447 | NURSING AIDES, ORDERLIES, AND ATTENDANTS | 4,297 | 4,239 |
| 449 | MAIDS AND HOUSEMEN | 33 | 17 |
| 453 | JANITORS AND CLEANERS | 6,313 | 160 |
| 508 | AIRCRAFT ENGINE MECHANICS | 6,707 | 57 |
| 515 | AIRCRAFT MECHANICS, EXC. ENGINE | 270 | 9 |
| 523 | ELECTRONIC REPAIRERS, COMMUNICATIONS AND INDUSTRIAL EQUIPMENT | 3 | |
| 547 | SPECIFIED MECHANICS AND REPAIRERS, N.E.C. | 14 | |
| 549 | NOT SPECIFIED MECHANICS AND REPAIRERS | 1,404 | 1,282 |
| 575 | ELECTRICIANS | 41 | |
| 633 | SUPERVISORS, PRODUCTION OCCUPATIONS | 362 | 104 |
| 637 | MACHINISTS | 48 | 5 |
| 644 | PRECISION GRINDERS, FITTERS, AND TOOL SHARPENERS | 65 | 43 |
| 645 | PATTERNMAKERS AND MODEL MAKERS, METAL | 1,193 | 852 |
| 647 | PRECIOUS STONES AND METALS WORKERS (JEWELERS) | 525 | |
| 677 | OPTICAL GOODS WORKERS | 2,300 | 967 |
| 678 | DENTAL LABORATORY AND MEDICAL APPLIANCE TECHNICIANS | 35 | 21 |
| 679 | BOOKBINDERS | 662 | 378 |
| 683 | ELECTRICAL AND ELECTRONIC EQUIPMENT ASSEMBLERS | 1,731 | 1,560 |
| 689 | INSPECTORS, TESTERS, AND GRADERS | 611 | 209 |
| 703 | LATHE AND TURNING MACHINE SET-UP OPERATORS | 9 | |
| 704 | LATHE AND TURNING MACHINE OPERATORS | 494 | 41 |
| 706 | PUNCHING AND STAMPING PRESS MACHINE OPERATORS | 618 | 41 |
| 707 | ROLLING MACHINE OPERATORS | 551 | |
| 709 | GRINDING, ABRADING, BUFFING, AND POLISHING MACHINE OPERATORS | 2,550 | 1,565 |
| 717 | FABRICATING MACHINE OPERATORS, N.E.C. | 734 | 325 |
| 719 | MOLDING AND CASTING MACHINE OPERATORS | 5,900 | 4,492 |
| 723 | METAL PLATING MACHINE OPERATORS | 1,375 | 423 |
| 724 | HEAT TREATING EQUIPMENT OPERATORS | 40 | |
| 744 | TEXTILE SEWING MACHINE OPERATORS | 325 | 325 |
| 753 | CEMENTING AND GLUING MACHINE OPERATORS | 2,848 | 2,604 |
| 757 | SEPARATING, FILTERING, AND CLARIFYING MACHINE OPERATORS | 8 | |
| 758 | COMPRESSING AND COMPACTING MACHINE OPERATORS | 890 | 297 |
| 759 | PAINTING AND PAINT SPRAYING MACHINE OPERATORS | 126 | |
| 777 | MISCELLANEOUS MACHINE OPERATORS, N.E.C. | 1,356 | 989 |
| 779 | MACHINE OPERATORS, NOT SPECIFIED | 937 | 318 |
| 783 | WELDERS AND CUTTERS | 29 | |
| 784 | SOLDERERS AND BRAZERS | 208 | 208 |
| 785 | ASSEMBLERS | 18,631 | 13,343 |
| 789 | HAND PAINTING, COATING, AND DECORATING OCCUPATIONS | 143 | 107 |
| 796 | PRODUCTION INSPECTORS, CHECKERS, AND EXAMINERS | 1,199 | 109 |
| 797 | PRODUCTION TESTERS | 656 | 464 |
| 859 | MISCELLANEOUS MATERIAL MOVING EQUIPMENT OPERATORS | 221 | |
| 877 | STOCK HANDLERS AND BAGGERS | 193 | 183 |
| 883 | FREIGHT, STOCK, AND MATERIAL MOVERS, HAND, N.E.C. | 212 | 53 |
| 887 | VEHICLE WASHERS AND EQUIPMENT CLEANERS | 616 | 466 |
| 888 | HAND PACKERS AND PACKAGERS | 123 | |
| 889 | LABORERS, EXCEPT CONSTRUCTION | 532 | 254 |
| TOTAL | 137,306 | 88,531 | |
*(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.