This survey was distributed at the Statewide Conference on Air Pollution Legislation, held in San Francisco on February 21, 1955. Beckman's comments and changes were incorporated into the final version distributed at the conference.
California State Chamber of Commerce, and Arnold O. Beckman. “Opinion Poll on Air Pollution and Its Control Draft with Arnold O. Beckman's Comments,” 1955. Beckman Historical Collection, Box 1, Folder 14. Science History Institute. Philadelphia. https://digital.sciencehistory.org/works/xg94hq387.