PFAS
PFAS
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Hydrologic and Water Quality Studies of PFAS in Pennsylvania
USGS is working with federal, state, and local partners to monitor and evaluate perfluoroalkyl and polyfluoroalkyl substances (PFAS) in Pennsylvania's groundwater and surface waters. A recent study sampled tap water in Pennsylvania (and other states) and detected PFAS chemicals in some samples.
Improving Understanding and Coordination of Science Activities for Per- and Polyfluoroalkyl Substances (PFAS) in the Chesapeake Bay Watershed
Issue: Per- and polyfluoroalkyl substances (PFAS) have been manufactured and used in a variety of industries in the United States since the 1940s. PFAS are ubiquitous and persistent in the environment and have the potential to have adverse human and ecological health effects. The Chesapeake Bay Program (CBP) partnerships has concerns about how PFAS will affect the Chesapeake Bay ecosystem. The CBP...
Contaminant Fate and Transport Studies in Fractured Sedimentary Rock Aquifers at the former Naval Air Warfare Center (NAWC), West Trenton, N.J.
Contaminants associated with industrial, airport, and other activities are present in groundwater in fractured-rock aquifers, posing long-term hazards to drinking-water supplies and ecosystems. The heterogeneous character of fractured rock challenges our understanding, monitoring, and remediation of such sites.
Pennsylvania Statewide Surface Water-Quality Monitoring Network - Per- and polyfluoroalkyl Substances Sampling Preparation
In partnership with Pennsylvania Department of Environmental Protection and Susquehanna River Basin Commission, rigorous and innovative PFAS sampling techniques were created for low-level detections.