Science & Technology
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EPA Research in Michigan
EPA researchers are working hard to protect communities across the nation. Learn about some of the work EPA researchers are doing in Michigan.
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EPA Research in Kentucky
EPA researchers are working hard to protect communities across the nation. Learn about some of the work EPA researchers are doing in Kentucky.
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EPA Research in Hawai'i
EPA researchers are working hard to protect communities across the nation. Learn about some of the work EPA researchers are doing in Hawaii.
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EPA Research in Florida
EPA researchers are working hard to protect communities across the nation. Learn about some of the work EPA researchers are doing in Florida.
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EPA Research in the Pacific Islands
EPA researchers are working hard to protect communities across the nation. Learn about some of the work EPA researchers are doing in the U.S. Pacific Territories of American Samoa, the Commonwealth of the Northern Mariana Islands (CNMI), and Guam; U.S. Min
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EPA Research in Colorado
EPA researchers are working hard to protect communities across the nation. Learn about some of the work EPA researchers are doing in Colorado.
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EPA Expands Air Monitoring Capabilities to Support Wildfire-Impacted States, Tribes and Their Frontline Firefighters
During the 2021 wildfire season, EPA is helping federal, state, local and tribal organizations monitor and map smoke during wildfire events by sharing equipment in areas that are affected by wildfire smoke.
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Keeping Fertilizer in the Ground and Dollars in Farmers’ Pockets
EPA researchers worked to examine the influence of certain crops and nutrient management practices on nitrate leaching into ground water.
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EPA’s EnviroAtlas Publishes Data on Three New Urban Areas, Including Philadelphia and Salt Lake City
Researchers have added fine-scale data and maps for three new urban areas to EnviroAtlas: Philadelphia, PA, Salt Lake City, UT, and Sonoma County, CA, which collectively include over 300 cities and towns not previously covered.
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Meet EPA Scientist Cissy Ma, Ph.D., P.E.
As an EPA research engineer Dr. Cissy Ma thinks big and seeks holistic and sustainable solutions to different environmental problems.
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EPA Scientists Test Non-Targeted Analysis Methods Using Drinking Water Filters
Today, researchers can rapidly search for thousands of never-before studied chemical compounds in a wide variety of environmental, residential, and biological media. This approach is called “non-targeted analysis” (NTA).
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Meet EPA Environmental Engineer and Interdisciplinary Scientist Santosh Raj Ghimire, Ph.D.
Dr. Santosh R. Ghimire analyzes the potential trade-offs of green infrastructure to support more sustainable water systems.
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Recommended Use of Body Weight 3/4 as the Default Method in Derivation of the Oral Reference Dose
This document promotes the use of BW3/4 as a default method to convert data between species for both categories of endpoints.
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Appendix B: Summary of TEM Particle Size Distribution Datasets
As discussed in the main text (see Section 5.3.2), calculation of the concentration of asbestos fibers in each of the bins of potential interest requires particle size distribution data derived using transmission electron microscopy (TEM).
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Appendix C: Characterization of Uncertainty and Bias in Asbestos Epidemiological Data
Each of the epidemiological studies utilized in the fitting exercise described in this report provide data on the level of cumulative exposure in groups of workers and on the incidence of lung cancer or mesothelioma observed in those workers.
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Proposed Approach for Estimation of BIN-Specific Cancer Potency Factors for Inhalation Exposure to Asbestos
Inhalation exposure to asbestos increases the risk of lung cancer and mesothelioma in humans.
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Guidance for Data Useability in Risk Assessment: Quick Reference Fact Sheet, September, 1990
The guidance manual provides direction for planning and assessing analytical data collection activities for the baseline human health risk assessment, conducted as part of the Remedial Investigation (RI) process.
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Guidance for Data Useability in Risk Assessment (Part A-10a), Final, April, 1992
The purpose of this appendix is to familiarize the reader with the variety of EPA methods that are available for analysis of pollutants of concern in risk assessment.
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Guidance for Data Useability in Risk Assessment (Part A-7), Final, April, 1992
This chapter provides guidance for integrating the assessment of data useability to determine the overall level of uncertainty of risk assessment.
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Ecological Risk Assessment Guidance for Superfund: Process for Designing and Conducting Ecological Risk Assessments, Appendix A, June, 1997
Example ecological risk assessments for hypothetical sites