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Main Title Perspectives on Environmental Monitoring: An Introduction to the U.S. EPA Long-Term Monitoring (LTM) Project.
Author Ford, J. ; Stoddard, J. L. ; Powers, C. F. ;
CORP Author Corvallis Environmental Research Lab., OR. ;ManTech Environmental Technology, Inc., Corvallis, OR.
Publisher c1993
Year Published 1993
Report Number EPA/600/J-93/409;
Stock Number PB93-236461
Additional Subjects Water pollution sampling ; Long term effects ; Environmental monitoring ; Water chemistry ; Acidification ; Surface waters ; US EPA ; Regional analysis ; Implementation ; Trends ; pH ; Ecology ; Water quality data ; Data collection ; Networks ; Reprints ;
Library Call Number Additional Info Location Last
NTIS  PB93-236461 Some EPA libraries have a fiche copy filed under the call number shown. 07/26/2022
Collation 9p
The U.S. Environmental Protection Agency's Long-Term Monitoring (LTM) Project is a network implemented to study long-term changes in the chemistry of acid-sensitive surface waters in six regions of the U.S. The project was implemented in 1983 and has, not surprisingly, undergone various types of challenges and changes in each of the six regions. The paper describes five basic principles of monitoring network design that the authors believe are necessary (although not necessarily sufficient) for implementation and operation of a useful and professionally reputable network. The results of the first 9 years of the LTM Project are discussed here in the context of these 5 principles. (Copyright (c) 1993 Kluwer Academic Publishers.)