Science & Technology

Benchmark Dose Software (BMDS) Version 2.7 Materials

Links to BMDS 2.7 application and documentation downloads, plus the BMDS 2.7 training webinars

Benchmark Dose Software (BMDS) Version 2.7 - Download Model Executable Files

Advanced users can download and run the BMDS Model Code executables without using the BMDS user interface.

Benchmark Dose Software (BMDS) Version 2.7 - ReadMe File

Describes changes, fixes, and enhancements to this version of BMDS.

Benchmark Dose Software (BMDS) Version 2.7 - Model Executable Versions

Table listing each BMDS model executable with its version date; users can refer to this data to ensure their BMDS version is using the most current model versions.

Benchmark Dose Tools Suite

Subpage linking to individual Benchmark Dose Modeling applications

Report: Audit of the EPA’s Compliance with the Federal Information Security Modernization Act for Fiscal Year 2024

Advanced Asset Management Workshop Materials

Advanced asset management training workshop agenda, story line, exercise tables and other materials.

EPA Delivers an Additional 100 Top Environmental Accomplishments, Including in Region 4, for 300 Environmental Wins Highlighted Since President Trump Took Office in January

Release Date: November 20, 2025

Water Quality Standards Variance Building Tool

Variance building tool to help protect waters downstream.

Workshop to Discuss Systematic Review with the NAS (Dec 2018)

NAS held a public workshop to review the progress made on the recommendations from the National Academies' National Research Council's May 2014 report on further improving the scientific quality of IRIS assessments.

IRIS Recent Additions: 2013 - 1997

Find notifications of IRIS Summary and Toxicological Review postings to IRIS, Federal Register notices, peer review meetings and other announcements about the IRIS Program and Web site.

IRIS and the National Academies of Sciences (NAS)

Since the 2011 National Academy of Sciences (NAS) review of the IRIS Program's assessment of Formaldehyde, EPA and NRC have had an ongoing relationship into the improvements of developing the IRIS Assessments.

Developments in the IRIS Program

This announcement includes the informational materials outlining the enhancements that were made to the 2009 IRIS Process for developing assessments.

Basic Information about EPA ExpoBox

EPA ExpoBox is a toolbox for exposure assessors. Its purpose is to provide a compendium of exposure assessment and risk characterization tools that will present comprehensive step-by-step guidance and links to relevant exposure assessment data bases,

EPA ExpoBox Unit Conversion Table

This page in the EPA ExpoBox includes a table with unit conversions used for exposure assessments.

Webinar: Celebrating EPA’s SmartWay Transport Partnership 20th Anniversary and Program Achievements

EPA’s SmartWay program webinar that learn how they’ve used these outputs to drive innovation, improve efficiency and support sustainability goals for their companies.

Sulfur Dioxide Designations - Guidance and Technical Information

Guidance and technical information associated with sulfur dioxide designations

Freshwater Biological Traits Database (Data Sources)

This page contains the information behind the metadata and data sources used in the 2012 released biological traits database.

Press Release: Former U.S. Environmental Protection Agency Official Agrees to Pay Nearly $22,000 to Resolve Conflict-of-Interest Allegations

Former U.S. Environmental Protection Agency Official Agrees to Pay Nearly $22,000 to Resolve Conflict-of-Interest Allegations

WhAEM2000 BBM Files - West Point, Alabama

WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for West Point Quadrangle, Alabama. Files serve as geographic basis for groundwater modeling.