Science & Technology
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Using Challenges and Prizes to Create Opportunities for Change in Communities
EPA has used its Challenges and Prizes program to crowdsource creative, community-led solutions that help address critical environmental issues.
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Headwater Streams Studies
An overview of Headwater Streams Studies which produced a field operations manual for assessing hydrologic permanence and the ecological condition of headwater streams.
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CHEMFLO-2000, Interactive Software for Simulating Water and Chemical Movement in Unsaturated Soils
This model simulates water movement and chemical fate and transport in vadose zones.
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Infiltration Models
Water applied to the soil surface through rainfall and irrigation events subsequently enters the soil through the process of infiltration.
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Results of Expanded Adit Sampling at Gold King Mine
Water or sediment samples tested at the request of La Plata County, CO, for an expanded suite of potential contaminants.
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PDFs for Results of Expanded Adit Sampling
Posting page for La Plata County Data PDFs.
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Gold King Mine Data, August 10, 2015
Water Quality Sampling Data Collected After the 2015 Gold King Mine Release, posted August 10 2015
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Quality Management Plan for EPA's Pacific Southwest (Region 9)
Defines the planning and oversight activities that are in place relating to data collection activities conducted in EPA Pacific Southwest, Region 9.
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Biological Response Tools
An inventory and description of response tools and frameworks available to support remediation activities associated with wide-area sampling in a biological contamination incident.
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Risk Evaluation for Methylene Chloride
Fact sheet on Methylene Chloride.
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EPA Offers Webinars on Pollinator Health and Habitat
Office of Pesticide Programs will host a series of public webinars highlighting ongoing work to promote pollinator health and habitat.
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2020 Annual Report on Scientific Integrity
Main page of the 2020 Scientific Integrity Annual Report. Contains the introduction section and outlines the other major sections.
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2020 Chemical Data Reporting Frequent Questions
These Frequent Questions (FQs) are intended to clarify the reporting requirements for Chemical Data Reporting for the 2016 reporting period.
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2020 Chemical Data Reporting Frequent Questions
These Frequently Asked Questions (FAQs) are intended to clarify the reporting requirements for Chemical Data Reporting for the 2016 reporting period.
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EPA Resources for Ecosystems Research
Researchers are developing sophisticated models and tools that are used to protect ecosystems and ecosystem services across the nation.
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Community Public Health Research
EPA is conducting human health-focused research on ways to improve health and well-being as well as promote community sustainability.
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Communicating about Cyanobacterial Blooms and Toxins in Recreational Waters
Information related to tools for water managers to communicate the risks to cyanobacterial blooms and their toxins in recreational waters.
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Developing an Emergency Response Plan for Cyanotoxins
Information related to Developing an Emergency Response Plan for Cyanotoxins
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Summary of California’s Water Reuse Guideline or Regulation for Indirect Potable Water Reuse
Summary of California’s indirect potable water reuse regulation, including specifications.
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Summary of California’s Water Reuse Guideline or Regulation for Direct Potable Water Reuse
Summary of California’s direct potable water reuse regulation, including specifications.