Science & Technology
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WQX Nutrients Best Practices Guide
This document contains best practices for submitting nutrient data using WQX.
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Water Data and Tools
Provides the resources about Office of Water databases and applications as tools for your data research and information.
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Improving parameterizations of airborne pollutants and their implications for health
This project focuses on the use of models to understand organic and inorganic compounds in air from release, through chemical and physical processing, to exposure.
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Science to Achieve Results (STAR) Graduate and Greater Research Opportunities (GRO) Undergraduate Fellowship Programs
Historical GRO fellowship information
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EPA Actions to Address Drinking Water Testing and Quality Control Concerns at CDPHE State Public Health Laboratory
Documents related to EPA's April 2024 revocation of the certification for the Colorado Department of Public Health and Environment State Public Health Laboratory.
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Technologies for Cleaning Up Contaminated Sites
This site provides information on characterization, monitoring, and remediation technologies as well as serves a forum for the hazardous waste remediation community through several technology information transfer initiatives and partnerships.
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Subscribe to the RE-Powering Listserv
Subscription to the RE-Powering America's Land listserv.
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Region 5 Harmful Algal Bloom Clean Water Act/Safe Drinking Water Act Workshop and Public Meeting Chicago, IL
Information related to EPA Region 5 HABs Workshop.
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State & Tribal HAB Programs and Resources
Information related to State HABs Resources
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Laboratories that Analyze for Cyanobacteria and Cyanotoxins
Information related to Laboratories that Analyze for Cyanobacteria and Cyanotoxins
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Health of the Salish Sea Ecosystem Report
The Health of the Salish Sea Report is a collaboration between the U.S. and Canada to examine the health of our shared Salish Sea ecosystem.
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Development of Recommendations and Guidance for Radiological Protection Programs - Closed Announcement FY 2020
EPA’s Office of Air Quality Planning & Standards is soliciting applications from eligible entities to compete for financial assistance through the Targeted Airshed Grant Program.
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Resources Preservation 2017 Annual Monitoring Reports
ARG 2017 Annual Reports for permitted and rule authorized facilities
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Air Emissions Factors and Quantification
Emissions factors are used in developing air emissions inventories for air quality management decisions and in developing emissions control strategies. This area provides technical information on and support for the use of emissions factors.
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Lead and Copper Rule Public Meeting - November 4, 2010
EPA held a public meeting to discuss potential Long-Term Revisions to the LCR. At the meeting, EPA sought stakeholder feedback about key issues and options to address the issues.
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AQUATOX Training Workshops
A one-day short course on AQUATOX was presented as part of the Society of Environmental Toxicology and Chemistry (SETAC) North America 31st Annual Meeting, held November 7-11, 2010 in Portland, OR.
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Potential Applications for AQUATOX
AQUATOX has a myriad of potential applications to water management issues and programs, including water quality criteria and standards, TMDLs (Total Maximum Daily Loads), and ecological risk assessments of aquatic systems.
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What does AQUATOX do?
AQUATOX simulates the transfer of biomass, energy and chemicals from one compartment of the ecosystem to another.
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AQUATOX Basic Information
AQUATOX is an ecosystem simulation model that predicts the fate of various pollutants, such as excess nutrients and organic chemicals, and their effects on aquatic ecosystems, including fish, invertebrates, and aquatic plants.
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AQUATOX 3.1 Download Page
Contains AQUATOX system requirements and installation information. Download the zipped file. Order documentation.