This primary source comes from the Records of the Environmental Protection Agency.
National Archives Identifier:
549625Full Citation: At the Statewide Air Pollution Research Center, University of California at Riverside, Scientist Works with Machine for the Detection of Sulfur Compounds in the Air.; 5/1972; Records of the Environmental Protection Agency, Record Group 412. [Online Version, https://docsteach.org/documents/document/at-the-statewide-air-pollution-research-center-university-of-california-at-riverside-scientist-works-with-machine-for-the-detection-of-sulfur-compounds-in-the-air, April 28, 2024]