Science & Technology
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Superfund Chemical Data Matrix (SCDM)
Learn about the Superfund Chemical Data Matrix (SCDM), a source for factor values and screening concentration benchmarks that can be applied when evaluating potential National Priorities List (NPL) sites using the Hazard Ranking System (HRS).
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Groundwater Cleanup Flexibilities
The groundwater cleanup approach may incorporate one or more flexible provisions that are found in existing Superfund laws, regulations, policy and guidance. The four provisions described here may be selected and adjusted to meet site-specific conditions.
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Analytical Methods, Fish Tissue Mass and Suitable Container Materials
Recommended aliquot weights, suggested method for analysis and appropriate container materials for various analyses.
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Sample Analysis
Sample analysis describes the process of testing a sample to determine the presence and concentrations of certain contaminants.
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Analytical Methods
Analytical Methods
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Historical Perspective of Fish and Shellfish Consumption Advisory Guidance
Historical Perspective of Fish and Shellfish Consumption Advisory Guidance
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Sampling Sites
Sampling Sites
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Diving Case Study: Wyckoff-Eagle Harbor Cleanup
Summary of EPA scientific diving support for the Wyckoff-Eagle Harbor Superfund site since 1980.
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National Water Reuse Action Plan: Quarterly Update for July 2020
WRAP Quarterly Update #1, July 2020
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Risk Evaluation for Dicyclohexyl Phthalate (DCHP)
EPA designated dicyclohexyl phthalate as a high priority chemical in December 2019 and the chemical is currently undergoing risk evaluation.
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Risk Evaluation for Di-ethylhexyl phthalate - (1,2-Benzene- dicarboxylic acid, 1,2- bis(2-ethylhexyl) ester) (DEHP)
EPA designated di-ethylhexyl phthalate - (1,2-Benzene- dicarboxylic acid, 1,2- bis(2-ethylhexyl) ester) as a high priority chemical in December 2019 and the chemical is currently undergoing risk evaluation.
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Community-Based Water Resiliency Initiative
The Community Based Water Resiliency Initative provides communities with the tools and resources to effectively and resiliently plan or respond to emergencies.
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Risk Evaluation for Diisobutyl Phthalate (1,2-Benzene- dicarboxylic acid, 1,2- bis-(2methylpropyl) ester) (DIBP)
EPA designated di-isobutyl phthalate - (1,2-Benzene- dicarboxylic acid, 1,2- bis-(2methylpropyl) ester) as a high priority chemical in December 2019 and the chemical is currently undergoing risk evaluation.
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Seismic Borehole Geophysics
seismic borehole geophysics
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Borehole Gamma Active Source
Borehole Gamma Active Source
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Borehole Electromagnetic Induction
Borehole Electromagnetic Induction
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Borehole Self-Potential
borehole single point resistivity and self-potential
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Borehole Nuclear Magnetic Resonance (bNMR)
borehole nuclear magnetic resonance
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Logging Techniques and Tools: Nuclear Logging
Nuclear logging includes all techniques that either detect the presence of unstable isotopes, or that create such isotopes in the vicinity of a borehole.
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National Water Quality Monitoring Council
This page is meant to temporarily replace the defunct NWQMC webpage while the Council is inactive