Program: HathiTrust Digital Library
- Publisher: U.S. Environmental Protection Agency, Office of Research and Development
- Print ISSN: 0193-6573
- Electronic ISSN:
- OCLC Number: 2569727
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
1975:MR,D; 1976:MR, JE; 1976:D; Dec 1976
|
committed to retain | 2018-08-17 | HTDL |
|