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Per- and polyfluoroalkyl substances (PFAS) and co-occurring inorganic and organic contaminants are widely distributed in the environment and understanding their surface water sources is critical for water resource management. In November 2021, 13 sites were sampled along a stream reach in the Neshaminy Creek basin in southeastern Pennsylvania utilizing a time of travel sampling approach. The reach had known potential PFAS source inputs and documented PFAS detections in water samples. This data release describes the sampling approach, sample processing, laboratory analytical methods, and contains the results. Site (Table_1_NC_2021_Site_Info) and constituent information (Table_2_Constituents) are provided in tab...
Categories: Data;
Tags: Neshaminy Creek,
PFAS,
Pennsylvania,
USGS Science Data Catalog (SDC),
United States,
This data release presents chemical results from investigations of surface-water quality in the Potomac River watershed (encompassing Washington, D.C. and parts of West Virginia, Virginia, Pennsylvania, and Maryland) conducted during low-flow conditions in July through September of 2022 and modeling results that support interpretative products. Water-quality sampling: A sampling campaign was conducted at 32 stream sites throughout the watershed (Table 1). A suite of field parameters and inorganic and organic chemical characteristics at each site were characterized using seven separate analytical methods at five laboratories (Table 2). The water-quality results are presented in Table 3. Analytical methods and laboratories...
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