Program: HathiTrust Digital Library
- Publisher: U.S. Environmental Protection Agency
- Print ISSN: 0161-9780
- Electronic ISSN:
- OCLC Number: 4064344
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
1978 1978; 1979 1979; 1980 1980; 1981 1981; 1984; no.2; 977
|
committed to retain | 2017-12-16 | HTDL |
|