Data and Tools
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Download the MARSSIM Manual and Resources
Download and view the Multi-Agency Radiation Survey and Site Investigation Manual (MARSSIM) and other supporting documents.
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CAP-88 Version 3.0 and Earlier
The latest version of CAP88 is 4.1. Earlier versions of CAP88 are available on this page.
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State/Territory-Designated Top-Priority National Priorities List (NPL) Sites
Section 300.425(c) of the National Contingency Plan allows States or Territories to designate its top-priority site without the need to apply the Hazard Ranking System. Learn about States and Territories that have designated their one top-priority site.
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Superfund Hazard Ranking System Training Course
Learn about the Superfund Hazard Ranking System Training Course, a 4.5 day intermediate-level course designed for personnel tasked to compile, draft, and review preliminary assessments (PAs), site inspections (SIs), and HRS documentation.
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Superfund: Hazard Ranking System (HRS) Quickscore
Learn about the Hazard Ranking System (HRS) Quickscore, the EPA's computer model used to assist in scoring Superfund sites under the HRS.
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Region 4 Superfund: Electronic Data Submission
Access resources pertaining to the submission of environmental data to the Region 4 Data Archival and ReTrieval (DART) systems.
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Quickscore User's Guide Version 3.2
Access the user guide for Quickscore version 3.2, which provides step-by-step information on how to enter site information into Quickscore and calculate a Hazard Ranking System (HRS) score.
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Agency for Toxic Substances and Disease Registry (ATSDR) National Priorities List (NPL) Sites
NPL sites that were listed due to the issuance of ATSDR health advisories.
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Cyanotoxin Management Plan Template and Example Plans
Tools for cyanotoxins in public water systems - cyanotoxin management plan template and example plans.
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Water Treatment Optimization for Cyanotoxins Document
Tools for addressing cyanotoxins in public water systems - water treatment optimization
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Recommendations for Public Water Systems to Manage Cyanotoxins in Drinking Water
Recommendations for public water systems to manage cyanotoxins in drinking water
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Harmful Algal Blooms and Cyanotoxins in Drinking Water: Factsheets and FAQs
General Information from the Drinking Water Cyanotoxin Risk Communication Toolbox.
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2017 Potable Reuse Compendium
Information on the 2017 Potable Reuse Compendium.
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Exceptional Events Documents Particulate Matter - San Joaquin Valley, CA
Exceptional Events Documents Ozone - San Joaquin Valley, CA
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Exceptional Events Documents Ozone - Connecticut
Exceptional Events Documents Ozone - Connecticut
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Federal Register Notice - Proposed revisions to the Exceptional Events Rule
This Federal Register Notice describes the EPA's proposed revisions to certain sections within the regulations that govern the exclusion of event affected air quality data from regulatory decisions.
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Program Snapshot for BRAC Facilities with EPA Involvement
Program Snapshot for BRAC Facilities with EPA Involvement
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Drought Response and Recovery Guide for Water Utilities
Helping drinking water and wastewater utilities handle drought
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Improving Communities Through Restoration and Reuse
Interactive Qlik dashboard about Improving Communities Through Restoration and Reuse
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Information about the Federal Electronic Docket Facilities
Test page for QlikSense Iframe