Program: HathiTrust Digital Library
- Publisher: Air Pollution Control Directorate, Environmental Protection Service, Dept. of the Environment
- Print ISSN: 0381-3177
- Electronic ISSN:
- OCLC Number: 2241106
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
1977/1978-1981/1982; 1982-84; 1984/1985-1985/1986
|
committed to retain | 2020-02-21 | HTDL |
|