| Title | | Description | Date Approved |
| Home Page | Required | Put appropriate information on the home page: a brief introduction to the area and links to the most critical information. | 03/12/2007 |
| Link Text and Printing URLs | Required | Use accurate text that is long enough to convey where a link goes; use the default link color except in special circumstances. | 03/12/2007 |
| Lists | Required | Use standard formats for lists. | 04/26/2006 |
| National and Regional Organization | Required | Split up national and regional information and use a look and feel appropriate to the scope. | 03/12/2007 |
| Text and Heading Styles | Required | Use default colors and styles specified in the master style sheet. | 03/13/2006 |
| Timeless Text | Required | Write timeless text to clarify when actions were taken or documents were posted; avoid words like today, recently, etc. | 09/28/2005 |
| Writing Style | Required | Follow EPA's writing style standards. If our standards are silent on an issue, follow the Associated Press Stylebook. | 03/12/2007 |
| Scannable Text | Recommended | Lay pages out so they are easy to scan. | 03/12/2007 |
| Translating Web Content into Alternate Languages | Recommended | Translate materials into other languages when appropriate. | 01/17/2007 |