Description
| Item Description: | Description based on version consulted; title from Web page (viewed on Dec. 19, 2003). Electronic resource. |
| Physical Description: | Data issued in print version with title: United States. Environmental Protection Agency. EPA national publications catalog; and in CD-ROM version with title: United States. Environmental Protection Agency. EPA national publications catalog(CD-ROM). |
| Publication Frequency: | Frequently updated |
| Format: | Mode of access: Internet at the EPA web site. Address as of 12/23/03: http://yosemite.epa.gov/ncepihom/nsCatalog.nsf/SearchPubs?OpenForm&CartID=9657-113711; current access is available via PURL. |
| Finding Aid: | Includes New publications index. |