Science & Technology
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Great Lakes Nearshore Waters: National Coastal Condition Assessment 2015
NRSA 2013-14 Results for the Coastal Plains ecoregion
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Northeast Coast Estuaries: National Coastal Condition Assessment 2015
NRSA 2013-14 Results for the Coastal Plains ecoregion
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Relative Extent, Relative Risk and Attributable Risk
This page provides information on the analysis of relative extent, relative risk and attributable risk.
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Background of the National Aquatic Resource Surveys
The National Aquatic Resource Surveys (NARS) are statistical surveys designed to assess the status of and changes in quality of the nation’s coastal waters, lakes and reservoirs, rivers and streams, and wetlands.
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Citing CGEM
CGEM citings
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CGEM Release Notes
CGEM release notes
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CGEM Download
CGEM Installers are provided. You will need to have knowledge on how to install software on your target operating system.
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CGEM Example Files
Example files are available to facilitate user familiarity with CGEM model setup.
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CGEM Documentation
User guides and model theory documentation.
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PEST
PEST (Parameter ESTimation) software. PEST is a model-independent parameter estimation package which can communicate with any model through the model's own input and output files. Apr. 2003
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EPA and Tucson Airport Sign Agreement to Protect Major Drinking Water Source for Tucson
EPA News Release: EPA and Tucson Airport Sign Agreement to Protect Major Drinking Water Source for Tucson
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Superfund and Technology Liaison Program
The Superfund and Technology Liaison (STL) Program was established to facilitate regional access to ORD laboratories, provide technical support, and assist with the integration of science and technology into decision-making for hazardous waste programs.
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National Lakes Assessment 2017 Key Findings
key findings of the national lakes assessment report 2017
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Studies Related to the National Aquatic Resource Surveys
Access to information on tools and data that are related to the National Aquatic Resource Surveys (NARS).
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Selected Analytical Methods for Environmental Remediation and Recovery (SAM) 2022
SAM page provides access to all information provided in EPA's Selected Analytical Methods for Environmental Remediation and Recovery (SAM), and includes a query function allowing users to search methods by analyte, sample type and instrumentation.
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Self-Potential (SP)
self-potential surface geophysical method
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Borehole Resistivity
normal and focused borehole resistivity
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Toxicity Forecasting (ToxCast)
Toxicity ForeCaster (ToxCast) uses high-throughput screening methods and computational toxicology approaches to rank and prioritize chemicals in need of further evaluation.
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NPDES PGP eNOI Tutorials
EPA has developed tutorials to walk you through the process of submitting NOIs, NOTs and Annual Reports.
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Best Management Practices for Lead Outdoor Shooting Ranges
This manual provides owners and operators of outdoor rifle, pistol, trap, skeet and sporting clay ranges with information on lead management at their ranges.