EPA 840-B.
- Publisher: United States Environmental Protection Agency, Office of Water
- Print ISSN:
- Electronic ISSN:
- OCLC Number: 216931154
- Subject: Water quality United States.
- Subject code: T
- Publication history:
Print Holdings
| Archiving Institution | Program | Holdings Description | Retention |
|---|---|---|---|
| HathiTrust (HATHI) | HTDL | 00-002 | permanent |