Science & Technology

Report: EPA Reported Its Fiscal Year 2017 Second Quarter Financial and Award Data in Accordance With the DATA Act

Report #18-P-0037, November 9, 2017. The DATA Act requires the EPA to report and display accurate financial and award data on USASpending.gov.

Report: Improved Acquisition Planning Will Help EPA Reduce Hundreds of Millions of Dollars in High-Risk Contracts

Report #18-P-0038, November 15, 2017. Without improving its acquisition planning process, the EPA may continue to spend hundreds of millions of dollars on high-risk contracts that waste taxpayer resources.

Report: EPA's Fiscal Years 2017 and 2016 Consolidated Financial Statements

Report #18-F-0039, November 15, 2017. We found the EPA’s financial statements to be fairly presented and free of material misstatements.

Report: Audit of the U.S. Chemical Safety and Hazard Investigation Board’s Fiscal Years 2017 and 2016 Financial Statements

Report #18-F-0040, November 15, 2017. The CSB received an unmodified opinion on its fiscal years 2017 and 2016 financial statements.

Semiannual Report: April 1, 2017 - September 30, 2017

Semiannual Report: #EPA-350-R-17-002, November 17, 2017. During this 6-month period (April 1, 2017 - September 30), the OIG issued a variety of audit and evaluation reports to help the EPA meet its mission to protect human health and the environment.

Report: Self-Insurance for Companies With Multiple Cleanup Liabilities Presents Financial and Environmental Risks for EPA and the Public

Report #18-P-0059, December 22, 2017. The EPA's ability to oversee self-insurance instruments is impaired, leaving the agency and taxpayers vulnerable to billions of dollars in financial risk and the public vulnerable to environmental risk.

2020 AirToxScreen

Background information on the 2020 version of AirToxScreen

AirToxScreen Overview

Background information about the Air Toxics Screening Assessment (AirToxScreen) - what it is and how to use the data

AirToxScreen Mapping Tool

Link to the AirToxScreen Mapping Tool

AirToxScreen Glossary of Terms

Glossary of key terms used in AirToxScreen and other risk assessments

Cesium’s Interaction in the Built Environment

EPA experimentally assessed the migration of cesium into urban materials, including asphalt, brick, concrete, limestone, and granite.

Chemical Fate & Transport

EPA conducts research to help responders and decision makers understand the fate and transport of chemical warfare agents (CWAs) so that they can minimize human health effects and environmental impacts following the release of a CWA.

Contaminant Fate, Transport & Exposure

Large scale contamination incidents can affect a wide variety of surfaces, environments, and infrastructure. Knowledge of the persistence, life cycle, and movement of of these contaminants can help inform sampling, cleanup, and remediation decisions.

Considering Trade-offs in Contamination Cleanup Webinar

EPA's ORD offers free public webinars on recent research results. Watch a webinar on the Trade-off Tool for Sampling, a GIS-based tool to help responders develop sampling plans and consider the costs and trade-offs during contamination cleanup/response.