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