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Title:1995 Quality Assurance Report: NADP/NTN Deposition Monitoring
Author(s):James, Kenni O.W.
Subject(s):Atmospheric Chemistry Laboratory
precipitation collection
Central Analytical Laboratory
Abstract:The Atmospheric Chemistry Laboratory at the Illinois State Water Survey (ISWS) was selected in the summer of 1978 to be the Central Analytical Laboratory (CAL) for the National Atmospheric Deposition Program (NADP). CAL operations began on October 1, 1978, with 14 NADP sites. Thirty-five sites were in operation by December 1979. In 1995, the NADP CAL is still at the ISWS, and there are 200 NADP/National Trends Network (NTN) sites collecting precipitation throughout the United States. The samples are collected in buckets using a specified wet/dry sampler. The buckets are removed each Tuesday. Beginning in January 1994, the sample is decanted from the collection bucket into a 1-liter wide-mouth high-density polyethylene (HDPE) bottle and shipped, with the dirty bucket, to the CAL each week. Figure I-1 illustrates the sample's journey after its arrival at the CAL.
Issue Date:1997
Publisher:Illinois State Water Survey
Series/Report:ISWS Miscellaneous Publication MP-185
Genre:Technical Report
Publication Status:published or submitted for publication
Peer Reviewed:is peer reviewed
Rights Information:Copyright ... University of Illinois Board of Trustees. All rights reserved.
Date Available in IDEALS:2014-06-02

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