 |
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| department of environmental services (США) | |||
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| Environmental Protection Service (Канада) | |||
| Environmental Protection Service (США) | |||
| Environmental Health Service (HEW, Департамента здравоохранения, образования и социального обеспечения) | |||
| служба охраны окружающей среды: 19 phrases in 8 subjects |
| Ecology | 7 |
| Energy industry | 2 |
| Law | 1 |
| Medical | 2 |
| Oil / petroleum | 1 |
| Oil and gas | 2 |
| Oil and gas technology | 3 |
| Sakhalin | 1 |