Program: HathiTrust Digital Library
- Publisher: U.S. Environmental Protection Agency, Office of Research and Development, Environmental Monitoring and Support Laborator
- Print ISSN: 0161-5610
- Electronic ISSN: 0161-5610
- OCLC Number: 3124708
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
1976-1977
|
committed to retain | 2010-03-01 | HTDL |
|