Program: HathiTrust Digital Library

  • Publisher: U.S. Environmental Protection Agency, Office of Research and Development, National Environmental Research Center
  • Print ISSN:
  • Electronic ISSN:
  • OCLC Number: 351551385
  • Validation: None
  • Retention: permanent
  • Institution: HathiTrust
  • Facility:
  • OCLC Symbol: HATHI
  • Holdings Format: Print
Materials Archive Action Date of Action Program Status/Note
74-004 1974:May; 74-007
committed to retain 2013-04-04 HTDL