Science & Technology
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FEGS Scoping Tool User Manual
Landing page for the FEGS Scoping Tool User Manual.
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FEGS Scoping Tool Installation
Landing page for the FEGS Scoping Tool download.
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Examples of Ecoregion Applications
A list of examples of Ecoregion applications and references.
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Innovative Ways for Testing Contaminated Soil Factsheet
EPA scientists are developing rapid, reliable, inexpensive methods for assessing the bioavailability of arsenic and lead in contaminated soils.
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RFC 23002 & RFR 23002A - Toxic Substances Control Act Risk Evaluation for 1,4-Dioxane
Request for Reconsideration to deny ACI/ACC’s December 2023 Request for Correction of Information (RFC) on the final final “Risk Evaluation for 1,4-Dioxane CASRN: 123-91-1”
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Monthly User Calls for the Hazardous Waste Electronic Manifest (e-Manifest)
The purpose of this page is to consolidate all user fee call materials into one centralized space.
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Tribal NSR Policy Database
Tribal NSR Information
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Report: IIndependent Audit of the EPA’s Fiscal Years 2023 and 2022 Hazardous Waste Electronic Manifest System Fund Financial Statements
Report: Independent Audit of the EPA’s Fiscal Years 2022 and 2021 (Restated) Toxic Substances Control Act Service Fee Fund Financial Statements
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Recent Activities for the New Chemicals Program under the Toxic Substances Control Act
This page lists recent announcements concerning the EPA's New Chemicals Program going back to July 2012.
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Great Lakes Initiative Technical Support Documents
Links to EPA technical support documents on water quality guidance
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Water Quality Standards Regulations: Nevada
Information related to Water Quality Standards for Nevada.
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What are the security access rule differences between Agency and Screening Group?
AQS "Screening Group" Security Access: Under this model, Monitors are considered "owned" by a Screening Group (one and only one). Users are assigned to one or more Screening Groups. If a user is assigned a security role to a Screening Group that "owns" a monitor, then that user has access…
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AQS Memos - Use of Expanded List of Audit Levels for Annual Performance Evaluation for S02, N02, 03, and CO as Described in 40 CFR Part 58 Appendix A Section 3.2.2
AQS Memos - Use of Expanded List of Audit Levels for Annual Performance Evaluation for S02, N02, 03, and CO as Described in 40 CFR Part 58 Appendix A Section 3.2.2
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EPA IT Password Security Policies
EPA IT Password Security Policies
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AQS "Ask the Experts" Webinar - Nov 2018
Questions and Answers from Nov 2018 Ask the Experts webinar
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Cape Cod Permeable Reactive Barrier (PRB) Pilot Project
Hydrogeological Site Characterizations to Support Permeable Reactive Barrier Pilots on Cape Cod
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RSEI Toxicity-Data and Calculations
Detailed information on how RSEI toxicity weights are constructed and use in RSEI results metrics.
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Whistleblower Protection
The Whistleblower Protection Enhancement Act of 2012 (WPA) and the Whistleblower Protection Act of 1989 Enhanced by the Act of 2012 provides protection rights for Federal employees against retaliation for whistleblowing activities.
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Report: The CSB Needs to Improve Controls over Its Charge Card Program and Comply with Federal Requirements
Report: The CSB Needs to Improve Controls over Its Charge Card Program and Comply with Federal Requirements
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Chemical Safety Board’s Purchase Card Program for Fiscal Year 2022
The OIG plans to initiate an inquiry into the drinking water emergency in Jackson, Mississippi.