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4 Titles Match Your Query
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1. National Surface Water Survey (NSWS) [EPA0143]
The "National Surface Water Survey (NSWS)" is a composite program aimed at monitoring the chemical characteristics of surface water in the United States. It includes the National Stream Survey, the ...


2. Historical Database of Hourly O3 Concentrations for Crestline, California, 1963 - 2000 [EPA_CA]
A historical database of hourly O3 concentrations for Crestline, California in 1963-2000 has been developed based on all relevant oxidant/ozone monitoring data taken since 1963. All data were obtained ...


3. Aquatic Resources Monitoring (ARM) [EPA_ARM]
This Web site provides information on monitoring of aquatic resources in the US, primarily focused on design and analysis of probability based surveys. Links are provided to other aquatic resources ...


4. Ecoregion Maps and GIS Resources [EPA_ECOREGION]
Ecoregions denote areas of general similarity in ecosystems and in the type, quality, and quantity of environmental resources. They are designed to serve as a spatial framework for the research, assessment, ...


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