Science & Technology
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Common Effects Methodology National Stakeholder Meeting December 1, 2010 White Papers
EPA is exploring how to build on the substantial high quality science developed under both OPP programs to develop additional tools and approaches to support a consistent and common set of effects characterization methods using best available information.
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Three Decades of Increasingly Useful Information in Ohio
Case Studies: Benefits of using bioassessment data during biocriteria development
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Research Supporting Development of the 2012 Recreational Water Quality Criteria
Information related to the 2012 Recreational Water Quality Criteria for Scientific Workshop and Research
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Ohio's Tiered Aquatic Life Use Designations Turn 20 Years Old
Ohio's Tiered Aquatic Life Use Designations Turn 20 Years Old
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Epidemiology and Health Effects of Cyanobacteria Research
harmful algal bloom and cyanobacteria research related to epidemiology and health effects
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MODFLOW Instructional Manual
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TMDLs Where Mercury Loadings are Predominantly from Air Deposition
A presentation documenting Total Maximum Daily Load (TMDL) approaches for cases in which mercury loadings are predominantly from air deposition into waters.
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Watershed and Water Quality Modeling Technical Support Center Factsheet
The factsheet provides an overview of the Watershed and Water Quality Modeling Technical Support Center.
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Using Microbial Source Tracking to Support TMDL Development and Implementation
A guide for TMDL practitioners on microbial source tracking, detailing how it can be used to support TMDL development and implementation.
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Listing Waters Impaired by Atmospheric Mercury: Voluntary Subcategory 5m for States with Comprehensive Mercury Reduction Programs
The document presents information regarding a voluntary approach for listing waters impaired by mercury predominantly from atmospheric sources pursuant to Clean Water Act Section 303(d), also known as “subcategory 5m.”
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Options for Expressing Daily Loads in TMDLs
The draft document provides technical options for developing daily load expressions in TMDLs calculated using time frames greater than daily allocations.
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TMDL Modeling ToolBox Factsheet
The factsheet provides an overview of the TMDL Modeling Toolbox.
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Watershed Academy Webcast: Improve Water Quality by Using Cover Crops and Other Conservation Systems
This page contains a description and documentation associated with the webcast on improving water quality through the use of cover crops and other agricultural conservation systems.
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Watershed Academy Webcast: USDA's National Water Quality Initiative
This page contains a description and documentation associated with the webcast on how USDA’s NWQI is working in priority watersheds to help farmers, ranchers and forest landowners improve water quality.
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TSCA Work Plan Chemical Problem Formulation and Initial Assessment 1,4-Dioxane
1,4-Dioxane Problem Formulation and Initial Assessment
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Methylene Chloride Scope Document and Supplemental Files
scope document and supplemental files for methylene chloride
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Trichloroethylene (TCE) Scope Document and Supplemental Files
Scope document and supplemental files for Trichloroethylene (TCE)
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Asbestos Scope Document and Supplemental Files
Scope document and supplemental files for asbestos
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1-Bromopropane (1-BP) Scope Document and Supplemental Files
scope document and supplemental files for 1-BP
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N-Methylpyrrolidone (NMP) Scope Document and Supplemental Files
scope document and supplemental files for NMP