21. Air Pollution Control Office publication, AP-(series). 38. Pilot study of ultraviolet radiation in Los Angeles, October 1965, report on concurrent measurements made by cooperating organizations by various methods; edited by John S. Nader. Bookmark Corporate/Agency Authors: Air Pollution Control Office and Environmental Protection Agency Publisher: Air Pollution Control Office Date: 1967. [2d printing Sept. 1970.] SuDoc number: HE 20.1309:38