| Agent Name | HELIUM |
| CAS # | 7440-59-7 |
| RTECS # | MH6520000 |
| Agent Code | 35925 |
| Code | Occupation Description (1980) | No Control |
Resp Prot |
Other PPE |
Vent |
Other Control |
Exposures |
| 019 | MANAGERS AND ADMINISTRATORS, N.E.C. | 100.0% |
0.0% |
0.0% |
0.0% |
0.0% |
403 |
| 086 | VETERINARIANS | 100.0% |
0.0% |
0.0% |
0.0% |
0.0% |
2,015 |
| 208 | HEALTH TECHNOLOGISTS AND TECHNICIANS, N.E.C. | 100.0% |
0.0% |
0.0% |
0.0% |
0.0% |
403 |
| 453 | JANITORS AND CLEANERS | 100.0% |
0.0% |
0.0% |
0.0% |
0.0% |
403 |
| 487 | ANIMAL CARETAKERS, EXCEPT FARM | 100.0% |
0.0% |
0.0% |
0.0% |
0.0% |
806 |
| SUBTOTAL | 100.0% |
0.0% |
0.0% |
0.0% |
0.0% |
4,030 | |
| Code | Occupation Description (1980) | No Control |
Resp Prot |
Other PPE |
Vent |
Other Control |
Exposures |
| 073 | CHEMISTS, EXCEPT BIOCHEMISTS | 100.0% |
0.0% |
0.0% |
0.0% |
0.0% |
47 |
| 083 | MEDICAL SCIENTISTS | 100.0% |
0.0% |
0.0% |
0.0% |
0.0% |
46 |
| 223 | BIOLOGICAL TECHNICIANS | 100.0% |
0.0% |
0.0% |
0.0% |
0.0% |
781 |
| 224 | CHEMICAL TECHNICIANS | 0.0% |
0.0% |
0.0% |
100.0% |
0.0% |
282 |
| 783 | WELDERS AND CUTTERS | 0.0% |
0.0% |
66.7% |
33.3% |
0.0% |
53 |
| 797 | PRODUCTION TESTERS | 0.0% |
0.0% |
0.0% |
0.0% |
100.0% |
739 |
| SUBTOTAL | 44.8% |
0.0% |
1.8% |
15.3% |
37.9% |
1,948 | |
| Code | Occupation Description (1980) | No Control |
Resp Prot |
Other PPE |
Vent |
Other Control |
Exposures |
| 216 | ENGINEERING TECHNICIANS, N.E.C. | 0.0% |
0.0% |
0.0% |
0.0% |
100.0% |
341 |
| SUBTOTAL | 0.0% |
0.0% |
0.0% |
0.0% |
100.0% |
341 | |
| Code | Occupation Description (1980) | No Control |
Resp Prot |
Other PPE |
Vent |
Other Control |
Exposures |
| 073 | CHEMISTS, EXCEPT BIOCHEMISTS | 100.0% |
0.0% |
0.0% |
0.0% |
0.0% |
1,251 |
| 223 | BIOLOGICAL TECHNICIANS | 100.0% |
0.0% |
0.0% |
0.0% |
0.0% |
686 |
| 224 | CHEMICAL TECHNICIANS | 94.7% |
0.0% |
0.0% |
4.7% |
0.6% |
1,611 |
| 225 | SCIENCE TECHNICIANS, N.E.C. | 100.0% |
0.0% |
0.0% |
0.0% |
0.0% |
326 |
| 235 | TECHNICIANS, N.E.C. | 100.0% |
0.0% |
0.0% |
0.0% |
0.0% |
512 |
| 453 | JANITORS AND CLEANERS | 100.0% |
0.0% |
0.0% |
0.0% |
0.0% |
825 |
| 754 | PACKAGING AND FILLING MACHINE OPERATORS | 100.0% |
0.0% |
0.0% |
0.0% |
0.0% |
167 |
| 779 | MACHINE OPERATORS, NOT SPECIFIED | 0.0% |
0.0% |
100.0% |
0.0% |
0.0% |
5,878 |
| 889 | LABORERS, EXCEPT CONSTRUCTION | 100.0% |
0.0% |
0.0% |
0.0% |
0.0% |
165 |
| SUBTOTAL | 47.7% |
0.0% |
51.4% |
0.6% |
8.4% |
11,421 | |
| Code | Occupation Description (1980) | No Control |
Resp Prot |
Other PPE |
Vent |
Other Control |
Exposures |
| 019 | MANAGERS AND ADMINISTRATORS, N.E.C. | 100.0% |
0.0% |
0.0% |
0.0% |
0.0% |
7 |
| 073 | CHEMISTS, EXCEPT BIOCHEMISTS | 100.0% |
0.0% |
0.0% |
0.0% |
0.0% |
428 |
| 213 | ELECTRICAL AND ELECTRONIC TECHNICIANS | 0.0% |
0.0% |
0.0% |
0.0% |
100.0% |
293 |
| 224 | CHEMICAL TECHNICIANS | 53.8% |
0.0% |
0.0% |
27.5% |
18.7% |
1,878 |
| 225 | SCIENCE TECHNICIANS, N.E.C. | 0.0% |
0.0% |
0.0% |
0.0% |
100.0% |
189 |
| 453 | JANITORS AND CLEANERS | 0.0% |
98.6% |
1.4% |
0.0% |
0.0% |
7,400 |
| 585 | PLUMBERS, PIPEFITTERS, AND STEAMFITTERS | 0.0% |
0.0% |
0.0% |
0.0% |
100.0% |
279 |
| 699 | MISCELLANEOUS PLANT AND SYSTEM OPERATORS | 0.0% |
0.0% |
0.0% |
0.0% |
100.0% |
703 |
| 766 | FURNACE, KILN, AND OVEN OPERATORS, EXC. FOOD | 100.0% |
0.0% |
0.0% |
0.0% |
0.0% |
28 |
| 777 | MISCELLANEOUS MACHINE OPERATORS, N.E.C. | 57.4% |
0.0% |
0.0% |
0.0% |
42.6% |
985 |
| 779 | MACHINE OPERATORS, NOT SPECIFIED | 0.0% |
100.0% |
0.0% |
0.0% |
0.0% |
5,593 |
| 883 | FREIGHT, STOCK, AND MATERIAL MOVERS, HAND, N.E.C. | 0.0% |
0.0% |
0.0% |
0.0% |
100.0% |
878 |
| SUBTOTAL | 10.9% |
69.0% |
0.5% |
2.7% |
16.6% |
18,661 | |
| Code | Occupation Description (1980) | No Control |
Resp Prot |
Other PPE |
Vent |
Other Control |
Exposures |
| 073 | CHEMISTS, EXCEPT BIOCHEMISTS | 100.0% |
0.0% |
0.0% |
0.0% |
0.0% |
6 |
| 208 | HEALTH TECHNOLOGISTS AND TECHNICIANS, N.E.C. | 100.0% |
0.0% |
0.0% |
0.0% |
0.0% |
24 |
| 235 | TECHNICIANS, N.E.C. | 100.0% |
0.0% |
0.0% |
0.0% |
0.0% |
12 |
| SUBTOTAL | 100.0% |
0.0% |
0.0% |
0.0% |
0.0% |
42 | |
| Code | Occupation Description (1980) | No Control |
Resp Prot |
Other PPE |
Vent |
Other Control |
Exposures |
| 216 | ENGINEERING TECHNICIANS, N.E.C. | 100.0% |
0.0% |
0.0% |
0.0% |
0.0% |
126 |
| 235 | TECHNICIANS, N.E.C. | 100.0% |
0.0% |
0.0% |
0.0% |
0.0% |
92 |
| 757 | SEPARATING, FILTERING, AND CLARIFYING MACHINE OPERATORS | 0.0% |
0.0% |
0.0% |
100.0% |
0.0% |
261 |
| 797 | PRODUCTION TESTERS | 100.0% |
0.0% |
0.0% |
0.0% |
0.0% |
123 |
| SUBTOTAL | 56.6% |
0.0% |
0.0% |
43.3% |
0.0% |
602 | |
| Code | Occupation Description (1980) | No Control |
Resp Prot |
Other PPE |
Vent |
Other Control |
Exposures |
| 216 | ENGINEERING TECHNICIANS, N.E.C. | 0.0% |
0.0% |
0.0% |
0.0% |
100.0% |
167 |
| 724 | HEAT TREATING EQUIPMENT OPERATORS | 0.0% |
0.0% |
100.0% |
0.0% |
0.0% |
6 |
| 783 | WELDERS AND CUTTERS | 100.0% |
0.0% |
0.0% |
0.0% |
0.0% |
262 |
| 785 | ASSEMBLERS | 100.0% |
0.0% |
0.0% |
0.0% |
0.0% |
1,624 |
| SUBTOTAL | 91.5% |
0.0% |
0.2% |
0.0% |
8.1% |
2,059 | |
| Code | Occupation Description (1980) | No Control |
Resp Prot |
Other PPE |
Vent |
Other Control |
Exposures |
| 215 | MECHANICAL ENGINEERING TECHNICIANS | 100.0% |
0.0% |
0.0% |
0.0% |
0.0% |
58 |
| 453 | JANITORS AND CLEANERS | 94.3% |
0.0% |
0.0% |
5.7% |
0.0% |
502 |
| 645 | PATTERNMAKERS AND MODEL MAKERS, METAL | 100.0% |
0.0% |
0.0% |
0.0% |
0.0% |
514 |
| 774 | PHOTOGRAPHIC PROCESS MACHINE OPERATORS | 0.0% |
0.0% |
0.0% |
0.0% |
100.0% |
90 |
| 783 | WELDERS AND CUTTERS | 0.0% |
0.0% |
100.0% |
0.0% |
0.0% |
3,418 |
| 785 | ASSEMBLERS | 68.9% |
0.0% |
0.0% |
0.0% |
31.1% |
304 |
| SUBTOTAL | 25.6% |
0.0% |
69.9% |
0.5% |
3.7% |
4,886 | |
| Code | Occupation Description (1980) | No Control |
Resp Prot |
Other PPE |
Vent |
Other Control |
Exposures |
| 213 | ELECTRICAL AND ELECTRONIC TECHNICIANS | 35.5% |
0.0% |
0.0% |
3.9% |
60.6% |
1,030 |
| 225 | SCIENCE TECHNICIANS, N.E.C. | 0.0% |
31.3% |
68.8% |
0.0% |
0.0% |
394 |
| 453 | JANITORS AND CLEANERS | 44.7% |
26.9% |
26.9% |
0.0% |
1.6% |
2,294 |
| 633 | SUPERVISORS, PRODUCTION OCCUPATIONS | 0.0% |
0.0% |
100.0% |
0.0% |
0.0% |
78 |
| 637 | MACHINISTS | 100.0% |
0.0% |
0.0% |
0.0% |
0.0% |
86 |
| 683 | ELECTRICAL AND ELECTRONIC EQUIPMENT ASSEMBLERS | 100.0% |
0.0% |
0.0% |
0.0% |
0.0% |
35 |
| 689 | INSPECTORS, TESTERS, AND GRADERS | 100.0% |
0.0% |
0.0% |
0.0% |
0.0% |
588 |
| 703 | LATHE AND TURNING MACHINE SET-UP OPERATORS | 100.0% |
0.0% |
0.0% |
0.0% |
0.0% |
9 |
| 709 | GRINDING, ABRADING, BUFFING, AND POLISHING MACHINE OPERATORS | 0.0% |
0.0% |
0.0% |
0.0% |
100.0% |
29 |
| 777 | MISCELLANEOUS MACHINE OPERATORS, N.E.C. | 96.0% |
0.0% |
0.0% |
0.0% |
4.0% |
286 |
| 779 | MACHINE OPERATORS, NOT SPECIFIED | 100.0% |
0.0% |
0.0% |
0.0% |
0.0% |
35 |
| 783 | WELDERS AND CUTTERS | 100.0% |
0.0% |
0.0% |
0.0% |
0.0% |
39 |
| 784 | SOLDERERS AND BRAZERS | 100.0% |
0.0% |
0.0% |
0.0% |
0.0% |
164 |
| 785 | ASSEMBLERS | 10.2% |
0.0% |
13.7% |
29.7% |
46.4% |
1,321 |
| 796 | PRODUCTION INSPECTORS, CHECKERS, AND EXAMINERS | 97.3% |
0.0% |
0.0% |
0.0% |
2.7% |
86 |
| SUBTOTAL | 43.8% |
11.4% |
17.7% |
6.6% |
20.3% |
6,474 | |
| Code | Occupation Description (1980) | No Control |
Resp Prot |
Other PPE |
Vent |
Other Control |
Exposures |
| 213 | ELECTRICAL AND ELECTRONIC TECHNICIANS | 100.0% |
0.0% |
0.0% |
0.0% |
0.0% |
43 |
| 215 | MECHANICAL ENGINEERING TECHNICIANS | 100.0% |
0.0% |
0.0% |
0.0% |
0.0% |
58 |
| 216 | ENGINEERING TECHNICIANS, N.E.C. | 76.0% |
0.0% |
0.0% |
0.0% |
24.0% |
47 |
| 224 | CHEMICAL TECHNICIANS | 100.0% |
0.0% |
0.0% |
0.0% |
0.0% |
17 |
| 235 | TECHNICIANS, N.E.C. | 0.0% |
0.0% |
0.0% |
0.0% |
100.0% |
22 |
| 636 | PRECISION ASSEMBLERS, METAL | 100.0% |
0.0% |
0.0% |
0.0% |
0.0% |
22 |
| 723 | METAL PLATING MACHINE OPERATORS | 0.0% |
0.0% |
50.0% |
50.0% |
0.0% |
68 |
| 724 | HEAT TREATING EQUIPMENT OPERATORS | 0.0% |
0.0% |
0.0% |
50.0% |
50.0% |
851 |
| 753 | CEMENTING AND GLUING MACHINE OPERATORS | 100.0% |
0.0% |
0.0% |
0.0% |
0.0% |
7 |
| 759 | PAINTING AND PAINT SPRAYING MACHINE OPERATORS | 0.0% |
0.0% |
0.0% |
0.0% |
100.0% |
50 |
| 779 | MACHINE OPERATORS, NOT SPECIFIED | 100.0% |
0.0% |
0.0% |
0.0% |
0.0% |
567 |
| 783 | WELDERS AND CUTTERS | 0.0% |
0.0% |
100.0% |
0.0% |
0.0% |
44 |
| 785 | ASSEMBLERS | 0.0% |
0.0% |
0.0% |
0.0% |
100.0% |
190 |
| 797 | PRODUCTION TESTERS | 100.0% |
0.0% |
0.0% |
0.0% |
0.0% |
14 |
| SUBTOTAL | 38.1% |
0.0% |
3.9% |
22.9% |
34.9% |
2,000 | |
| Code | Occupation Description (1980) | No Control |
Resp Prot |
Other PPE |
Vent |
Other Control |
Exposures |
| 216 | ENGINEERING TECHNICIANS, N.E.C. | 0.0% |
0.0% |
0.0% |
100.0% |
0.0% |
116 |
| 235 | TECHNICIANS, N.E.C. | 50.0% |
0.0% |
0.0% |
0.0% |
50.0% |
118 |
| SUBTOTAL | 25.2% |
0.0% |
0.0% |
49.5% |
25.2% |
234 | |
| Code | Occupation Description (1980) | No Control |
Resp Prot |
Other PPE |
Vent |
Other Control |
Exposures |
| 633 | SUPERVISORS, PRODUCTION OCCUPATIONS | 0.0% |
0.0% |
0.0% |
0.0% |
100.0% |
1,757 |
| SUBTOTAL | 0.0% |
0.0% |
0.0% |
0.0% |
100.0% |
1,757 | |
| Code | Occupation Description (1980) | No Control |
Resp Prot |
Other PPE |
Vent |
Other Control |
Exposures |
| 216 | ENGINEERING TECHNICIANS, N.E.C. | 0.0% |
0.0% |
0.0% |
0.0% |
100.0% |
437 |
| 699 | MISCELLANEOUS PLANT AND SYSTEM OPERATORS | 0.0% |
0.0% |
0.0% |
0.0% |
100.0% |
1,537 |
| SUBTOTAL | 0.0% |
0.0% |
0.0% |
0.0% |
100.0% |
1,974 | |
| Code | Occupation Description (1980) | No Control |
Resp Prot |
Other PPE |
Vent |
Other Control |
Exposures |
| 754 | PACKAGING AND FILLING MACHINE OPERATORS | 0.0% |
0.0% |
0.0% |
100.0% |
0.0% |
1,545 |
| SUBTOTAL | 0.0% |
0.0% |
0.0% |
100.0% |
0.0% |
1,545 | |
| Code | Occupation Description (1980) | No Control |
Resp Prot |
Other PPE |
Vent |
Other Control |
Exposures |
| 069 | PHYSICISTS AND ASTRONOMERS | 100.0% |
0.0% |
0.0% |
0.0% |
0.0% |
775 |
| 073 | CHEMISTS, EXCEPT BIOCHEMISTS | 11.9% |
0.0% |
0.6% |
86.7% |
0.8% |
3,597 |
| 213 | ELECTRICAL AND ELECTRONIC TECHNICIANS | 0.0% |
0.0% |
0.0% |
50.0% |
50.0% |
1,480 |
| 216 | ENGINEERING TECHNICIANS, N.E.C. | 0.0% |
0.0% |
0.0% |
62.4% |
37.6% |
3,987 |
| 225 | SCIENCE TECHNICIANS, N.E.C. | 87.6% |
0.0% |
0.0% |
12.4% |
0.0% |
7,109 |
| 235 | TECHNICIANS, N.E.C. | 0.0% |
0.0% |
0.0% |
50.0% |
50.0% |
1,954 |
| 453 | JANITORS AND CLEANERS | 79.6% |
0.0% |
0.0% |
20.4% |
0.0% |
710 |
| 689 | INSPECTORS, TESTERS, AND GRADERS | 100.0% |
0.0% |
0.0% |
0.0% |
0.0% |
156 |
| SUBTOTAL | 41.2% |
0.0% |
0.1% |
42.2% |
16.4% |
19,768 | |
| Code | Occupation Description (1980) | No Control |
Resp Prot |
Other PPE |
Vent |
Other Control |
Exposures |
| 059 | ENGINEERS, N.E.C. | 100.0% |
0.0% |
0.0% |
0.0% |
0.0% |
47 |
| 073 | CHEMISTS, EXCEPT BIOCHEMISTS | 0.0% |
0.0% |
0.0% |
100.0% |
0.0% |
16 |
| 078 | BIOLOGICAL AND LIFE SCIENTISTS | 0.0% |
0.0% |
0.0% |
35.5% |
64.5% |
827 |
| 084 | PHYSICIANS | 100.0% |
0.0% |
0.0% |
0.0% |
0.0% |
246 |
| 095 | REGISTERED NURSES | 0.0% |
0.0% |
0.0% |
0.0% |
100.0% |
684 |
| 098 | INHALATION THERAPISTS | 87.3% |
0.0% |
0.0% |
12.7% |
0.0% |
4,814 |
| 105 | THERAPISTS, N.E.C. | 0.0% |
0.0% |
0.0% |
0.0% |
100.0% |
231 |
| 203 | CLINICAL LABORATORY TECHNOLOGISTS AND TECHNICIANS | 65.1% |
0.0% |
0.0% |
0.0% |
34.9% |
1,046 |
| 207 | LICENSED PRACTICAL NURSES | 0.0% |
0.0% |
0.0% |
0.0% |
100.0% |
28 |
| 208 | HEALTH TECHNOLOGISTS AND TECHNICIANS, N.E.C. | 0.0% |
0.0% |
0.0% |
0.0% |
100.0% |
319 |
| 447 | NURSING AIDES, ORDERLIES, AND ATTENDANTS | 0.0% |
0.0% |
0.0% |
0.0% |
100.0% |
265 |
| SUBTOTAL | 60.7% |
0.0% |
0.0% |
10.8% |
28.4% |
8,523 | |
| TOTAL | 38.1% |
15.7% |
12.3% |
15.0% |
18.5% |
86,265 | |
| RELATED PAGES: Estimates by SIC, Estimates by Occupation, Estimates by Occupation within SIC | |||||||
| ABBREVIATIONS: Resp Prot = Respiratory Protection Other PPE = Personal Protective Equipment Other Than Respiratory Protection Vent = Ventilation | |||||||
*(1) The estimates for each occupation apply only to the 3- and 4-digit SICs surveyed within the 2-digit SIC where the agent was observed. Not all SICs were surveyed, and not all agents were observed in all surveyed SICs. (2) When using the estimated numbers of exposures, 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. (4) For a given occupation, the estimated number of potential exposures is not necessarily equal to the estimated total number of potentially exposed workers. For example, a worker may be exposed to the same agent from multiple sources; thus, it is not the worker that is controlled but the exposure. (5) The presence or absence of controls does not imply that controls are necessary or required. The estimates and the controls are strictly based on observations associated with potential exposures.