Program: HathiTrust Digital Library
- Publisher: EPA Information Dissemination Project
- Print ISSN:
- Electronic ISSN:
- OCLC Number: 777035540
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
suppl.34; suppl.31- 1987-; suppl.23-30
|
committed to retain | 2011-12-03 | HTDL |
|