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- catalog contributor b5192721.
- catalog created "1969.".
- catalog date "1969".
- catalog date "1969.".
- catalog dateCopyrighted "1969.".
- catalog description "Includes bibliographies.".
- catalog extent "xiv, 211 p. :".
- catalog isPartOf "National Air Pollution Control Administration publication ; no. AP-49".
- catalog issued "1969".
- catalog issued "1969.".
- catalog language "eng".
- catalog publisher "Washington, D.C. : U.S. Dept. of Health, Education, and Welfare, Public Health Service, Consumer Protection and Environmental Health Service, National Air Pollution Control Administration,".
- catalog subject "Air quality Standards.".
- catalog title "Air quality criteria for particulate matter.".
- catalog type "text".