Science & Technology

ECM for Bispyribac-sodium in Soil - MRID 45243501

Environmental Chemistry Methods for Bispyribac-sodium in Soil - MRID 45243501

ECM for Bifenthrin & 4'-OH Degradate in Soil - MRID 41673103

Environmental Chemistry Methods for Bifenthrin & 4'-OH Degradate in Soil - MRID 41673103

ECM for Benomyl & Degradates MBC & 2-AB in Soil - MRID 44295402

Environmental Chemistry Methods for Benomyl & Degradates MBC & 2-AB in Soil - MRID 44295402

ECM for Aminopyralid in Water - MRID 47572602

Environmental Chemistry Methods for Aminopyralid in Water - MRID 47572602

ECM for Ametryn & Degradates in Soil - MRID 41701601

Environmental Chemistry Methods for Ametryn & Degradates in Soil - MRID 41701601

ECM for Endothall in Soil/Sediment - MRID 44093402

These documents include the analytical method for Endothall in sediment,

ECM for Valifenalate & Degradates in Soil - MRID 49807289

ECM for Valifenalate & Degradates in Water - MRID 49807180

Environmental Chemistry Methods for Valifenalate MRID 49807180

Frequent Questions About Healthy Watersheds

This page list all the frequently asked questions.

Urban Waters and the Mystic River Watershed (MA)

Mystic River Watershed (MA) location landing page

Surface Drinking Water Provided by Intermittent, Ephemeral, and Headwater Streams: National Map

Regional patterns of dependence on intermittent, ephemeral, and headwater streams for surface drinking water by county.

Best Practices for Clearance of Scientific Products at EPA

Best Practices for Clearance of Scientific Documents at EPA

Scientific Integrity at EPA: Results of the 2016 EPA Employee Survey

Scientific Integrity at EPA Results of the 2016 EPA Employee Survey

Washington County Lead District National Priorities List (NPL) Superfund Sites: Furnace Creek, Old Mines, Potosi and Richwoods; Washington County, Missouri – Fact Sheet, January 2023

EPA Interim Record of Decision to Address Lead in Private, Domestic Drinking Water Wells

Children's Health Research regarding Impacts on Behavior, Learning and IQ

EPA and others are researching the possible link between exposure environmental contaminants and various developmental disabilities.

Sediment Pond Removal and Enhanced Designs

Presentation: Sediment Pond Removal Considerations; Scheduling, Baseflow diversion, Dewatering provisions, Sediment handling, Potential to discharge sediment, Down‐gradient sediment control, Erosion control(s), Stream reconstruction, Riparian vegetation.

Deed Restrictions/Conservation Easements and Appropriate Considerations When Perpetual Protection Is Not Provided

Presentation: Basic requirements for mitigation site protection “…mitigation project must be provided
long-term protection through real estate instruments or other available instruments or other available mechanisms, as appropriate.” 33 CFR 332.7(a)(1)