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Technical Memorandum: 2020 Sampling Report
Lower Beaverdam Creek Polychlorinated Biphenyl (PCB) Source Trackdown Study
Land Restoration Program
Maryland Department of the Environment
June 2021 https://mde.maryland.gov/programs/land/MarylandBrownfieldVCP/Documents/2020%20LBC%20Sampling%20Technical%20Memorandum.pdf |
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Technical Memorandum: 2020 Sampling Report
Lower Beaverdam Creek Polychlorinated Biphenyl (PCB) Source Trackdown Study
Land Restoration Program
Maryland Department of the Environment
June 2021 https://mde.maryland.gov/programs/land/MarylandBrownfieldVCP/Documents/2020%20LBC%20Sampling%20Technical%20Memorandum.pdf |
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Elizabeth Green (Retired)
Benjamin J. Daniels, Ph.D., P.G.
Remedial Project Manager
Federal Assessment and Remediation Division Land and Materials Administration
Maryland Department of the Environment
1800 Washington Boulevard, Suite 625
Baltimore, Maryland 21230
ben.daniels@maryland.gov
410-537-3346 (O) |
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<DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>This technical memorandum presents a summary of the sampling for polychlorinated biphenyls (PCBs)</SPAN></P><P><SPAN>conducted in 2020 in Lower Beaverdam Creek (LBC), in Prince George’s County, Maryland by the</SPAN></P><P><SPAN>Maryland Department of the Environment (MDE) Land Restoration Program (LRP). Field activities for this</SPAN></P><P><SPAN>investigation included sediment, surface water, and fish sampling. The objective of this sampling is to</SPAN></P><P><SPAN>further refine the conceptual site model for the PCB contamination that was found previously in LBC</SPAN></P><P><SPAN>sediment and surface water in November 2019, and to aid in the ongoing source track-down effort in</SPAN></P><P><SPAN>the LBC watershed.</SPAN></P><P><SPAN>MDE conducted surface water and sediment sampling for PCBs along the entire length of LBC in</SPAN></P><P><SPAN>November 2019 (MDE, 2021). Both surface water and sediment data indicated two primary areas of</SPAN></P><P><SPAN>concern for PCBs in LBC: the stretch of LBC parallel to Pennsy Drive (just north of the Landover</SPAN></P><P><SPAN>Road/Route 202 bridge), and the area adjacent to the I-295-US-50 Interchange. To further delineate</SPAN></P><P><SPAN>these two areas of concern, additional sediment and surface water sampling was conducted in these</SPAN></P><P><SPAN>areas in August and September 2020. In addition, in October of 2020, small fish were collected for</SPAN></P><P><SPAN>analysis of PCBs in fish tissue. </SPAN></P><P><SPAN /></P><P><SPAN /></P><P><SPAN>* A sample was not able to be collected from OF-12, or between the outfall and the stream, so this </SPAN></P><P><SPAN>sample was taken in creek sediments where the outfall spills. </SPAN></P><P><SPAN>** These samples were analyzed via EPA Method 1668. </SPAN></P></DIV></DIV></DIV> |
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