Science & Technology
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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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Gravity Method
Gravity Method basic concept
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Geophysics Software Utilities
geophysical software utilities
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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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How's My Waterway Webcast Presentation Slides
Presentation Slides for the December 15th How's My Waterway Webcast
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Dec 15th How's My Waterway Webcast Certificate
Webcast Certificate for the December 15th How's My Waterway Webcast
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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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AirToxScreen Limitations
Summary of the limitations of the AirToxScreen assessment.
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Wildland Fire Research to Protect Health and the Environment
EPA is using its expertise in air quality research to fill the gaps in scientific information and to develop tools to prevent and reduce the impact of wildfires and controlled or prescribed burns.
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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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Benefits Reports for Air Pollution Regulations
This page contains links to information supporting benefits analyses prepared by OAQPS.
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About Scientific Leadership
Scientific Leadership Programs provide leadership in cross-Agency science and science policy development and implementation to ensure the best possible use of science at the Agency.
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Tracking Groundwater Remediation Efforts Using Rare Earth Elements
EPA scientists developed a new method to use patterns of rare earth elements to understand whether the contaminated groundwater interacted with the PRB as intended.
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MOU between the USGS and EPA
MOU between USGS and EPA for he Water Quality Portal
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Download BMDS 3.3.2 Model Source Code
Procedure for downloading the BMDS model source code.
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BMDS 3.x Release History
History and details of BMDS 3.x releases
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About BMDS 3.3.2
Summary of BMDS 3 purpose, acknowledgements
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EPA Notification of Draft on RFC 12004
EPA letter to Mr Kovacs notifying that a draft response to RFC 12004 is under internal review