Science & Technology
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Big River Mine Tailings/St. Joe Minerals Corp. National Priorities List (NPL) Superfund Site, St. Francois County, Missouri - Fact Sheet, August 2018
Public Meeting and Public Comment Period - EPA Proposes Plan for Early Interim Remedial Action for Big River and Floodplain in St. Francois County
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Canada-United States Transboundary Particulate Matter Science Assessment
This 2004 document summarizes the findings of the Canada-U.S. subcommittee on Scientific Cooperation concerning the transboundary transport of particulate matter (PM) and PM precursors between the two countries.
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Washington County Lead District - Potosi, Old Mines, and Richwoods Superfund Sites, Washington County, Missouri - Fact Sheet, September 2016
EPA Conducting Remedial Investigation/Feasibility Study and Remedial Action: Operable Units 1, 2, 3 and 4
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JS Testing - SAM 2022 Radiochemical Methods Query
Laboratories measuring target chemical, radiochemical, pathogens, and biotoxin analytes in environmental samples can use this online query tool to identify analytical methods in EPA's Selected Analytical Methods for Environmental Remediation and Recovery
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Newton County Mine Tailings National Priorities List (NPL) Superfund Site, Newton County, Missouri - Fact Sheet, February 2020
EPA to Host Three Open Houses and Update Public on Remedial and Removal Actions
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Washington County Lead District - Furnace Creek, Old Mines, Potosi and Richwoods National Priorities List (NPL) Superfund Sites, Washington County, Missouri - Fact Sheet, March 2019
Lead Testing and Cleanup Opportunity - Residential Soils and Private Drinking Water Wells - Remedial Actions at the Four NPL Sites
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JS Testing - SAM 2022 Chemical Methods Query
Laboratories measuring target chemical, radiochemical, pathogens, and biotoxin analytes in environmental samples can use this online query tool to identify analytical methods in EPA's Selected Analytical Methods for Environmental Remediation and Recovery
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Southwest Jefferson County Mining National Priority List (NPL) Superfund Site, Jefferson County, Missouri - Fact Sheet, January 2020
Open House/Public Availability Session Announcement and Site Update; Free Lead Testing for Residential Yards and Private Drinking Water Wells – Big River
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Southwest Jefferson County Mining National Priority List (NPL) Superfund Site, Jefferson County, Missouri - Fact Sheet, May 2019
Lead Testing and Cleanup Opportunity; Residential Soils and Private Drinking Water Wells; Remedial Actions at the Site
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Madison County Mines National Priorities List (NPL) Superfund Site, Madison County, Missouri - Fact Sheet, June 2019
EPA to Host Public Availability Session
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Meet EPA Researcher Jacqueline Bangma, Ph.D.
Jacqueline Bangma investigates the impact of per- and polyfluoroalkyl substances in both wildlife and the placenta.
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Chemical Safety Alert: Fire Hazard from Carbon Adsorption Deodorizing Systems
Activated carbon systems used to adsorb vapors for odor control may pose a fire hazard when used for certain types of substances, such as crude sulfate turpentine. Facilities should take precautions and proper procedures to avoid or mitigate these hazards.
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The Big River and Floodplain - St. Francois, Jefferson and Washington Counties in Missouri - Fact Sheet, July 2019
Free Lead Testing and Residential Cleanup Opportunity; Protect Public Health and Prevent Lead Poisoning
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Chemical Safety Alert: Use Multiple Data Sources for Safer Emergency Response
Increases awareness of Material Safety Data Sheet (MSDS) limitations so that first responders to accidental releases can take proper precautions and identify additional sources of chemical information, such as reactivity and incompatibility.
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Chemical Safety Alert: Emergency Isolation for Hazardous Material Fluid Transfer Systems - Application and Limitations of Excess Flow Valves
While excess flow valves (EFV) are in extensive service and have prevented numerous pipe or hose breaks from becoming much more serious incidents, experience shows that in some cases the EFV did not perform as intended, usually because of misapplication.
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Chemical Safety Alert: Hazards of Delayed Coker Unit (DCU) Operations
EPA and OSHA jointly publish this Chemical Safety Alert/Safety and Health Information Bulletin (CSA/SHIB) to increase awareness. DCU is a severe form of thermal cracking requiring high temperatures for long periods, for refining crude oils.