| Agent Name | NITROGEN OXIDE (N2O) |
| CAS # | 10024-97-2 |
| RTECS # | QX1350000 |
| Agent Code | 51118 |
| Code | Occupation Description (1980) | Total # Employees (Male & Female) |
Total # Female Employees |
| 019 | MANAGERS AND ADMINISTRATORS, N.E.C. | 410 | 403 |
| 073 | CHEMISTS, EXCEPT BIOCHEMISTS | 1,748 | 258 |
| 084 | PHYSICIANS | 17,700 | 10,523 |
| 085 | DENTISTS | 1,598 | 523 |
| 086 | VETERINARIANS | 4,658 | 339 |
| 095 | REGISTERED NURSES | 48,838 | 43,713 |
| 098 | INHALATION THERAPISTS | 1,050 | 594 |
| 203 | CLINICAL LABORATORY TECHNOLOGISTS AND TECHNICIANS | 716 | 558 |
| 204 | DENTAL HYGIENISTS | 137 | 101 |
| 206 | RADIOLOGIC TECHNICIANS | 141 | 91 |
| 207 | LICENSED PRACTICAL NURSES | 1,878 | 1,878 |
| 208 | HEALTH TECHNOLOGISTS AND TECHNICIANS, N.E.C. | 8,205 | 6,705 |
| 213 | ELECTRICAL AND ELECTRONIC TECHNICIANS | 940 | 57 |
| 216 | ENGINEERING TECHNICIANS, N.E.C. | 1,888 | 260 |
| 223 | BIOLOGICAL TECHNICIANS | 2,072 | 1,265 |
| 224 | CHEMICAL TECHNICIANS | 2,175 | 625 |
| 225 | SCIENCE TECHNICIANS, N.E.C. | 942 | 318 |
| 235 | TECHNICIANS, N.E.C. | 28 | 12 |
| 356 | MAIL CLERKS, EXC. POSTAL SERVICE | 1,561 | 1,561 |
| 447 | NURSING AIDES, ORDERLIES, AND ATTENDANTS | 3,447 | 2,846 |
| 453 | JANITORS AND CLEANERS | 789 | 403 |
| 487 | ANIMAL CARETAKERS, EXCEPT FARM | 806 | 806 |
| 547 | SPECIFIED MECHANICS AND REPAIRERS, N.E.C. | 802 | |
| 567 | CARPENTERS | 620 | |
| 575 | ELECTRICIANS | 95 | |
| 585 | PLUMBERS, PIPEFITTERS, AND STEAMFITTERS | 279 | |
| 678 | DENTAL LABORATORY AND MEDICAL APPLIANCE TECHNICIANS | 35 | 21 |
| 754 | PACKAGING AND FILLING MACHINE OPERATORS | 1,656 | |
| 766 | FURNACE, KILN, AND OVEN OPERATORS, EXC. FOOD | 32 | 16 |
| 777 | MISCELLANEOUS MACHINE OPERATORS, N.E.C. | 606 | 187 |
| 785 | ASSEMBLERS | 1,604 | 401 |
| 797 | PRODUCTION TESTERS | 123 | |
| 844 | OPERATING ENGINEERS | 1,668 | |
| 869 | CONSTRUCTION LABORERS | 3,337 | |
| TOTAL | 112,585 | 74,465 | |
*(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.