Science & Technology
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National Beach Guidance and Required Performance Criteria for Grants
National Beach Guidance and Required Performance Criteria for Grants
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Environmental Geophysics: Resources
This overview page describes the Env. Geophysics web site and its offerings
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Very Low Frequency Electromagnetic (VLF)
very low frequency electromagnetics
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Geophysics Software Utilities
geophysical software utilities
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Gravity Method
Gravity Method basic concept
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Potential Field Methods
Magnetic and gravity methods are commonly called potential field methods and are discussed in this section.
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Surface Nuclear Magnetic Resonance (SNMR)
NMR is a method of measuring the quantity of free water in soils and rocks. The method is based on the fact that a hydrogen proton has a magnetic moment and an angular momentum.
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Report: Audit of the EPA’s Fiscal Year 2024 Compliance with the Payment Integrity Information Act of 2019
Report: Audit of the EPA’s Fiscal Year 2024 Compliance with the Payment Integrity Information Act of 2019
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How-to: Modeling Dichotomous Data in BMDS Online
Walk-through of how to conduct a dichotomous analysis in BMDS Online
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Tribal Nonpoint Source Program
Nonpoint Source Water pollution Program for Tribes through Section 319 (h) of the Clean Water Act
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1999 Proceedings of the Ground-Water/Surface-Water Interactions Workshop
To address the technical concerns related to ecological impacts in the transition zone, the EPA’s Office of Solid Waste and Emergency Response (OSWER) sponsored a workshop in January 1999, this document is a summary of the event.
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1999 Proceedings of the Ground-Water/Surface-Water Interactions Workshop
Proceedings from the 2000 GW/SW Workshop
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Final Risk Evaluation for 1,4-Dioxane
Materials supporting and explaining initial risk determination for 1,4-dioxane.
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How's My Waterway
How's My Waterway was designed to provide the general public with information about the condition of their local waters based on data that states, federal, tribal, local agencies and others have provided to EPA. Water quality information is displayed on 3
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Clean Heavy-Duty Vehicles Grant Program Awards
This page has general information about the selected applications for the IRA Clean Heavy-Duty Vehicles Grant Program.
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BMDS 3.x Release History
History and details of BMDS 3.x releases
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Download BMDS 3.3.2 Model Source Code
Procedure for downloading the BMDS model source code.
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About BMDS 3.3.2
Summary of BMDS 3 purpose, acknowledgements
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Benchmark Dose Software (BMDS) Version 3.3 Materials
Links to BMDS 3.3.2 application and documentation downloads
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EPA Approves $87 Million WIFIA Loan to the City of Joliet, Illinois, to Help Transition City’s Drinking Water Supply
Today, U.S. Environmental Protection Agency (EPA) approved an $87 million Water Infrastructure Finance and Innovation Act (WIFIA) loan to help the City of Joliet, Illinois, transition its drinking water supply from an aquifer to water from Lake Michigan.