"This document was submitted by Technos, Inc., in fulfillment of Contract No. 68-03-3050 to Lockheed Engineering and Management Services Company, Inc., under the sponsorship of the U.S. Environmental Protection Agency. This report covers a period from August 1, 1981 to December 31, 1982, and work was completed as of December 31, 1982"--Page iv. Reprint. Originally published: Las Vegas, Nev. : Environmental Monitoring Systems Laboratory, Office of Research and Development, U.S. Environmental Protection Agency, 1982. Errata sheet included. Includes bibliographical references (pages 233-236).