print email comment close National Atmospheric Deposition Program (NADP) URL: http://nadp.sws.uiuc.edu Description: The purpose of this national network is "to collect data on the chemistry of precipitation for monitoring of ... long-term trends." Weekly samples are analyzed to learn acid rain (also known as "atmospheric deposition") content. The site features links to data and reports. The NADP is located at the Illinois State Water Survey, and is a cooperative program of federal, state, and non-governmental groups.  Library of Congress Subject Headings: Acid deposition Acid rain Air -- Pollution LII Database Information: Record 21332 created by Maria Brandt on 04/24/2006 Last modification on 04/24/2006 Published: 04/27/2006   Funding agency: California State Library LII Item ID: http://lii.org/cs/lii/view/item/21332