Quality Assurance Report, NADP/NTN Deposition Monitoring: Laboratory Operations, Central Analytical Laboratory, January 1986 through December 1986.

The National Atmospheric Deposition Program (NADP) was organized in 1978 by the North Central Region of the State Agricultural Experiment Stations as Project NC-141 to address the problem of atmospheric deposition and its effects on agriculture, forest, rangelands, and fresh water streams and lakes. In 1982 the program was endorsed by all four regions of the State Agricultural Experiment Stations and subsequently became Interregional Project IR-7.published or submitted for publicationis peer reviewe