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![Show details for Criteria and Standards Div.](https://webarchive.library.unt.edu/eot2008/20081111091306im_/http://yosemite.epa.gov/icons/expand.gif) | Criteria and Standards Div. |
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![Show details for Economics and Innovation (OPEI)](https://webarchive.library.unt.edu/eot2008/20081111091306im_/http://yosemite.epa.gov/icons/expand.gif) | Economics and Innovation (OPEI) |
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![Hide details for Environmental Criteria and Assessment Office](https://webarchive.library.unt.edu/eot2008/20081111091306im_/http://yosemite.epa.gov/icons/collapse.gif) | Environmental Criteria and Assessment Office |
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| N/A | Ambient Water Quality Criteria Document: Addendum for 2,4-Dichlorophenol | ![](https://webarchive.library.unt.edu/eot2008/20081111091306im_/http://yosemite.epa.gov/icons/ecblank.gif) |
| N/A | Ambient Water Quality Criteria Document: Addendum for 2,4-Dimethylphenol | ![](https://webarchive.library.unt.edu/eot2008/20081111091306im_/http://yosemite.epa.gov/icons/ecblank.gif) |
| N/A | Ambient Water Quality Criteria Document: Addendum for Acenaphthene | ![](https://webarchive.library.unt.edu/eot2008/20081111091306im_/http://yosemite.epa.gov/icons/ecblank.gif) |
| N/A | Ambient Water Quality Criteria Document: Addendum for Acrolein | ![](https://webarchive.library.unt.edu/eot2008/20081111091306im_/http://yosemite.epa.gov/icons/ecblank.gif) |
| N/A | Ambient Water Quality Criteria Document: Addendum for Acrylonitrile | ![](https://webarchive.library.unt.edu/eot2008/20081111091306im_/http://yosemite.epa.gov/icons/ecblank.gif) |
| N/A | Ambient Water Quality Criteria Document: Addendum for Aldrin / Dieldrin | ![](https://webarchive.library.unt.edu/eot2008/20081111091306im_/http://yosemite.epa.gov/icons/ecblank.gif) |
| N/A | Ambient Water Quality Criteria Document: Addendum for Carbon Tetrachloride | ![](https://webarchive.library.unt.edu/eot2008/20081111091306im_/http://yosemite.epa.gov/icons/ecblank.gif) |
| N/A | Ambient Water Quality Criteria Document: Addendum for Chlordane | ![](https://webarchive.library.unt.edu/eot2008/20081111091306im_/http://yosemite.epa.gov/icons/ecblank.gif) |
| N/A | Ambient Water Quality Criteria Document: Addendum for Chlorinated Naphthalenes | ![](https://webarchive.library.unt.edu/eot2008/20081111091306im_/http://yosemite.epa.gov/icons/ecblank.gif) |
| N/A | Ambient Water Quality Criteria Document: Addendum for Chlorinated Phenols | ![](https://webarchive.library.unt.edu/eot2008/20081111091306im_/http://yosemite.epa.gov/icons/ecblank.gif) |
| N/A | Ambient Water Quality Criteria Document: Addendum for Chloroalkyl Ethers | ![](https://webarchive.library.unt.edu/eot2008/20081111091306im_/http://yosemite.epa.gov/icons/ecblank.gif) |
| N/A | Ambient Water Quality Criteria Document: Addendum for Chloroform | ![](https://webarchive.library.unt.edu/eot2008/20081111091306im_/http://yosemite.epa.gov/icons/ecblank.gif) |
| N/A | Ambient Water Quality Criteria Document: Addendum for DDT | ![](https://webarchive.library.unt.edu/eot2008/20081111091306im_/http://yosemite.epa.gov/icons/ecblank.gif) |
| N/A | Ambient Water Quality Criteria Document: Addendum for Diphenylhydrazine | ![](https://webarchive.library.unt.edu/eot2008/20081111091306im_/http://yosemite.epa.gov/icons/ecblank.gif) |
| N/A | Ambient Water Quality Criteria Document: Addendum for Endrin | ![](https://webarchive.library.unt.edu/eot2008/20081111091306im_/http://yosemite.epa.gov/icons/ecblank.gif) |
| N/A | Ambient Water Quality Criteria Document: Addendum for Ethylbenzene | ![](https://webarchive.library.unt.edu/eot2008/20081111091306im_/http://yosemite.epa.gov/icons/ecblank.gif) |
| N/A | Ambient Water Quality Criteria Document: Addendum for Fluoranthene | ![](https://webarchive.library.unt.edu/eot2008/20081111091306im_/http://yosemite.epa.gov/icons/ecblank.gif) |
| N/A | Ambient Water Quality Criteria Document: Addendum for Haloethers | ![](https://webarchive.library.unt.edu/eot2008/20081111091306im_/http://yosemite.epa.gov/icons/ecblank.gif) |
| N/A | Ambient Water Quality Criteria Document: Addendum for Heptachlor | ![](https://webarchive.library.unt.edu/eot2008/20081111091306im_/http://yosemite.epa.gov/icons/ecblank.gif) |
| N/A | Ambient Water Quality Criteria Document: Addendum for Hexachlorobutadiene | ![](https://webarchive.library.unt.edu/eot2008/20081111091306im_/http://yosemite.epa.gov/icons/ecblank.gif) |
| N/A | Ambient Water Quality Criteria Document: Addendum for Hexachlorocyclopentadiene | ![](https://webarchive.library.unt.edu/eot2008/20081111091306im_/http://yosemite.epa.gov/icons/ecblank.gif) |
| N/A | Ambient Water Quality Criteria Document: Addendum for Nitrosamines | ![](https://webarchive.library.unt.edu/eot2008/20081111091306im_/http://yosemite.epa.gov/icons/ecblank.gif) |
| N/A | Drinking Water Criteria Document for 2,4-Dichlorophenoxyacetic Acid (2,4-D) [Final] | ![](https://webarchive.library.unt.edu/eot2008/20081111091306im_/http://yosemite.epa.gov/icons/ecblank.gif) |
| N/A | Drinking Water Criteria Document for DBCP (Dibromochloropropane) [Final Draft] | ![](https://webarchive.library.unt.edu/eot2008/20081111091306im_/http://yosemite.epa.gov/icons/ecblank.gif) |
![Show details for Environmental Studies Div.](https://webarchive.library.unt.edu/eot2008/20081111091306im_/http://yosemite.epa.gov/icons/expand.gif) | Environmental Studies Div. |
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![Show details for EPA Region 1](https://webarchive.library.unt.edu/eot2008/20081111091306im_/http://yosemite.epa.gov/icons/expand.gif) | EPA Region 1 |
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![Show details for EPA REGION 10](https://webarchive.library.unt.edu/eot2008/20081111091306im_/http://yosemite.epa.gov/icons/expand.gif) | EPA REGION 10 |
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