Program: HathiTrust Digital Library
- Publisher: U.S. Dept. of Health, Education, and Welfare, Public Health Service, Consumer Protection and Environmental Health Service, National Air Pollution Control Administration, Division of Air Quality and Emission Data
- Print ISSN: 0565-4289
- Electronic ISSN:
- OCLC Number: 5632825
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
Materials | Archive Action | Date of Action | Program | Status/Note |
---|---|---|---|---|
1967
|
committed to retain | 2009-02-28 | HTDL |
|