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| English thesaurus | |||
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| H.A. (A program sponsored by EPA's Office of Drinking Water (ODW). Provides information on the health effects, analytical methodology, and treatment technology that would be helpful in dealing with the contamination of drinking water); HA (A program sponsored by EPA's Office of Drinking Water (ODW). Provides information on the health effects, analytical methodology, and treatment technology that would be helpful in dealing with the contamination of drinking water) | |||
| Health Advisory: 10 phrases in 4 subjects |
| Economy | 1 |
| General | 2 |
| Health care | 6 |
| Politics | 1 |