{ "culture": "en-US", "name": "", "guid": "", "catalogPath": "", "snippet": "NPS Background Tributary Study - Samples collected from November 27 to Decmber 1, 2018.\n\nFinal NPS Tributary Sediment\nSampling Study Report\nAnacostia River Sediment Project Site\nNational Capital Region\nPrepared by\nThis National Park Service (NPS) https://app.box.com/s/6cqd7wu1a87fqkd3sggrwhsorr5xi48t/folder/217792400050 \n\nTributary sampling investigation was conducted to support the\nDistrict of Columbia Department of Energy and Environment\u2019s (DOEE) Anacostia River\nSediment Project (ARSP). DOEE, with participation by NPS, is conducting a Remedial\nInvestigation (RI) and Feasibility Study (FS) in accordance with the Comprehensive\nEnvironmental Response, Compensation, and Liability Act (CERCLA) and the framework\nprovided in the National Oil and Hazardous Substances Pollution Contingency Plan (also known\nas the National Contingency Plan or NCP) to address contaminated sediments located within the\nriverbed of the tidal portion of the Anacostia River in Washington, D.C. (the Site). The riverbed\nof the Anacostia is owned by the United States, and the National Capital Region of NPS\nadministers the riverbed resource within the boundaries of the District of Columbia (the District).\nNPS conducted this tributary sampling investigation to obtain additional data from the five major\ntributaries to the Anacostia River to assist in determination of anthropogenic background\nconcentrations4 of the ARSP contaminants of concern (COCs) in bottom sediment5 (0 to 0.5 feet\nbelow the sediment surface [fbss]). This study was performed by The Johnson Company (JCO)\nunder contract to NPS.", "description": "

NPS conducted the tributary sediment sampling on November 27, 2018 through December 1,<\/SPAN><\/SPAN><\/P>

2018. The location where each sediment sample was collected is shown on Figure 4. Table 3<\/SPAN><\/SPAN><\/P>

provides the sample identifications, northing and easting, sampling date, sampling method, and a<\/SPAN><\/SPAN><\/P>

description of the sampling location, in addition to any changes to the sampling location from the<\/SPAN><\/SPAN><\/P>

proposed location. Samples were collected from four locations within HR, nine locations from<\/SPAN><\/SPAN><\/P>

LBC, 18 locations from NEB, 14 locations from NWB, and ten locations from WB, for a total of<\/SPAN><\/SPAN><\/P>

55 locations sampled. A total of three duplicate samples and three matrix spike (MS) and matrix<\/SPAN><\/SPAN><\/P>

spike duplicate (MSD) samples were also collected during this investigation, resulting in a total<\/SPAN><\/SPAN><\/P>

of 64 samples collected.<\/SPAN><\/SPAN><\/P>

Collected bottom sediment samples (top 6 inches of sediment) from 55 locations in<\/SPAN><\/P>

the five major tributaries<\/SPAN><\/SPAN><\/P>

 Analyzed for following compounds:<\/SPAN><\/SPAN><\/P>

PCB Congeners<\/SPAN><\/SPAN><\/P>

Dioxins and Furans<\/SPAN><\/SPAN><\/P>

Parent and alkylated PAHs<\/SPAN><\/SPAN><\/P>

Pesticides<\/SPAN><\/SPAN><\/P>

Mercury<\/SPAN><\/SPAN><\/P>

Also analyzed for TOC and grain size<\/SPAN><\/SPAN><\/P><\/DIV><\/DIV><\/DIV>", "summary": "NPS Background Tributary Study - Samples collected from November 27 to Decmber 1, 2018.\n\nFinal NPS Tributary Sediment\nSampling Study Report\nAnacostia River Sediment Project Site\nNational Capital Region\nPrepared by\nThis National Park Service (NPS) https://app.box.com/s/6cqd7wu1a87fqkd3sggrwhsorr5xi48t/folder/217792400050 \n\nTributary sampling investigation was conducted to support the\nDistrict of Columbia Department of Energy and Environment\u2019s (DOEE) Anacostia River\nSediment Project (ARSP). DOEE, with participation by NPS, is conducting a Remedial\nInvestigation (RI) and Feasibility Study (FS) in accordance with the Comprehensive\nEnvironmental Response, Compensation, and Liability Act (CERCLA) and the framework\nprovided in the National Oil and Hazardous Substances Pollution Contingency Plan (also known\nas the National Contingency Plan or NCP) to address contaminated sediments located within the\nriverbed of the tidal portion of the Anacostia River in Washington, D.C. (the Site). The riverbed\nof the Anacostia is owned by the United States, and the National Capital Region of NPS\nadministers the riverbed resource within the boundaries of the District of Columbia (the District).\nNPS conducted this tributary sampling investigation to obtain additional data from the five major\ntributaries to the Anacostia River to assist in determination of anthropogenic background\nconcentrations4 of the ARSP contaminants of concern (COCs) in bottom sediment5 (0 to 0.5 feet\nbelow the sediment surface [fbss]). This study was performed by The Johnson Company (JCO)\nunder contract to NPS.", "title": "NPS_Tributary_PCB_Homologs", "tags": [], "type": "", "typeKeywords": [], "thumbnail": "", "url": "", "minScale": 150000000, "maxScale": 5000, "spatialReference": "", "accessInformation": "Donna Davies\nCERCLA Project Manager\n484-663-1043\n\nhttps://app.box.com/s/6cqd7wu1a87fqkd3sggrwhsorr5xi48t/folder/217792400050", "licenseInfo": "" }