Keywords: EMISSION TEST AT THE NATIONAL ENVIRONMENTAL RESEARCH CENTER OF EPA, THE CHEVROLET ENGINE (RED) WITH CHEVROLET'S... - NARA - 553330.jpg Scope and content General notes 553330 Local identifier 412-DA-10871 Environmental Protection Agency 12/02/1970 - NARA-Author Hubbard Tom 1931- Photographer 8464449 <br /> Cincinnati Hamilton Ohio United States North and Central America inhabited place 4201370 39 15 -84 45 <br /> Still Picture Records Section Special Media Archives Services Division NWCS-S National Archives at College Park 8601 Adelphi Road College Park MD 20740-6001 09/1973 Record group Record Group 412 Records of the Environmental Protection Agency 1944 - 2006 Record group ARC 708 DOCUMERICA The Environmental Protection Agency's Program to Photographically Document Subjects of Environmental Concern compiled 1972 - 1977 Series ARC 542493 File unit File unit ARC Variant control numbers Agency-Assigned Identifier 182/11/010871<br /> NAIL Control Number NWDNS-412-DA-10871 Other versions <gallery> File EMISSION_TEST_AT_THE_NATIONAL_ENVIRONMENTAL_RESEARCH_CENTER_OF_EPA _THE_CHEVROLET_ENGINE_ RED _WITH_CHEVROLET'S _-_NARA_-_553330 tif tif File EMISSION_TEST_AT_THE_NATIONAL_ENVIRONMENTAL_RESEARCH_CENTER_OF_EPA _THE_CHEVROLET_ENGINE_ RED _WITH_CHEVROLET'S _-_NARA_-_553330 jpg jpg </gallery> NARA-cooperation PD-USGov Tom Hubbard 1973 in Cincinnati Ohio United States Environmental Protection Agency Catalytic converters |