Science & Technology

RFC: Perchlorate Environmental Contamination Toxicological Review and Risk Characterization

Submitted by the Perchlorate Study Group

Study Provides New Insights Into Impacts of Wildland Fires on Ozone Monitoring Equipment in Kansas

New research from EPA shows wildland fire smoke may affect the accuracy of some regulatory monitoring instruments that measure ozone. The measurements from these instruments are needed by state, local, and tribal air quality agencies to determine if levels

Landfill Gas Emissions Model (LandGEM)

Landfill Gas Emissions Model is an automated estimation tool with a Microsoft Excel interface that can be used to estimate emission rates from municipal solid waste landfills.

Report: Audit of the EPA’s Central Data Exchange System

Report: Audit Follow-Up: Changes to Grant Information in the EPA’s Grants Management System

Report: Management Implication Report: Terms and Conditions Listed Within the EPA’s Subaward Policy

Report: Audit of the EPA’s Oversight of State Subrecipient Monitoring in the Clean Water State Revolving Fund Program

Report: Audit of the EPA’s Telework and Remote Work Program Locality Pay

Report: System Review Report Final 5.22.25

Evaluation of the U.S. Virgin Islands’ Capacity to Manage and Use Infrastructure Investment and Jobs Act Funds for Clean Water and Drinking Water Infrastructure Improvements

Report: Audit of the U.S. Chemical Safety and Hazard Investigation Board Payment Integrity Information Act Reporting for Fiscal Year 2024

Report: Audit of the EPA’s Fiscal Year 2024 Compliance with the Payment Integrity Information Act of 2019

Report: Semiannual Report to Congress: October 1, 2024–March 31, 2025

Report: Evaluation of EPA Policies, Procedures, and Processes for ASPECT Flight Missions

Report: Evaluation of the South Carolina Clean Water State Revolving Fund Program’s Capacity to Manage Infrastructure Investment and Jobs Act Funding

Report: Audit of the EPA’s Water Infrastructure Set-Aside Grants to Tribes

Report: Audit of the U.S. Chemical Safety and Hazard Investigation Board’s Compliance with the Federal Information Security Modernization Act of 2014 for Fiscal Year 2024