Program: HathiTrust Digital Library
- Publisher: [Environmental Protection Agency, National Water Quality Laboratory]
- Print ISSN:
- Electronic ISSN:
- OCLC Number: 12055915
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
no.1-5 1970-73
|
committed to retain | 2019-01-26 | HTDL |
|