Science & Technology
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Remedy Resilience Technical Fact Sheet: Contaminated Sediment Sites
Use this fact sheet as a planning tool to address the climate resilience of Superfund remedies at sites with contaminated sediment.
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Wet Deposition Maps
Annual average wet deposition estimated with the TDep Measurement Model Fusion method using the concentrations in precipitation and precipitation amounts measured by NADP/NTN and the modeled precipitation amounts estimated by the PRISM model.
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Bioassessment and Biocriteria Program Status for Kansas: Streams and Wadeable Rivers
Biocriteria Program Status of Alabama
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Remedy Resilience: Adaptive Capacity
Learn about adaptive capacity, a Superfund remedy resilience effort that assures that a site remedy involves implementing new measures to increase resilience, and establishing plans for periodically reassessing the remedy and site vulnerabilities.
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Responses to 40 CFR Part 75 Petitions - 2011
Find responses to petitions submitted by affected units subject to 40 CFR Part 75 in 2011.
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Responses to 40 CFR Part 75 Petitions - 2017
Approval for an alternative data substitution methodology.
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Responses to 40 CFR Part 75 Petitions - 2021
The Agency response to the Sarpy County petition request..
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Bioassessment and Biocriteria Program Status for Connecticut: Streams and Wadeable Rivers
Biocriteria Program Status of Alabama
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Eliminating Bias in Monitoring Systems
Learn how to eliminate bias from monitoring systems by instituting appropriate installation, operation, and quality assurance procedures. Provides links to download An Operator's Guide to Eliminating Bias in CEM Systems.
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Remedy Resilience: Resilience Measures
Learn about resilience measures taken by Superfund to achieve resilient site remedies.
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Bioassessment and Biocriteria Program Status for Mississippi: Streams and Wadeable Rivers
Biocriteria Program Status of Mississippi
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What emissions data are available for 2018 and 2019?
EPA has NEI point source data for 2018 and 2019, available upon request by using the Contact Us form, and selecting "Point Sources." Note that some of these sources reuse 2017 data by carrying it forward, but many sources have updated values in these interim year datasets. Emissions inventories and…
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RFC 18003 - OAR MON RTR Rulemaking
This action finalizes the residual risk and technology review (RTR) conducted for the Miscellaneous Organic Chemical Manufacturing source category regulated under national emission standards for hazardous air pollutants (NESHAP).
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RFC 21002 - Carbon Tetrachloride
This is a Request for Correction Risk Evaluation for Carbon Tetrachloride; EPA-HQ-OPPT-2019-0499
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RFR 18003A - Request for Reconsideration Received 3/14/2022
Document page for RFR 18003A with attachments
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RFC 18003 - Signed Response to W Gulledge of ACC, dated 12/13/2021
Signed response letter to Mr. William P. Gulledge on behalf of the Ethylene Oxide Panel for RFC 18003RFC 18003 - issued 12/13/2021
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PCS Phosphate Company Inc. - Mine Continuation Permit Proposed Additional Avoidance to Respond to EPA & ASA concerns
Contains e-mail cover & outline from PCS regarding Proposed Additional Avoidance to Respond to EPA & ASA concerns, May 14, 2009
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PCS Phosphate Company Inc. Mine Continuation Permit
Contains email correspondence on complete proposal with graphics to further modify Alternative L to meet requests to the ASA & EPA for further avoidance, Beaufort County, NC, May 18, 2009
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Detailed Components on Proposed PCS Phosphate Mine Expansion, Section 404 Permit
Contains referral that EPA finds discharge from PCS phosphate mine expansion will result in substantial & unacceptable impacts to waters in the Pamlico River Estuary System, ARNI
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Planner's Guide to Wetland Buffers for Local Governments
Contains compilation of scientific literature on wetland buffers & techniques & legislative choices made by local governments in the United States, March 2008