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Remedial Investigation Work Plan
Decades of industrial and urban activities throughout the Anacostia River’s watershed have increasingly degraded the river and caused the substantial loss of tidal fringe wetlands and marshes. Elevated concentrations of hazardous substances, including polychlorinated biphenyls (PCBs), polycyclic aromatic hydrocarbons (PAHs), lead, other trace elements, and pesticides are all present in sediment throughout the river, posing a risk to aquatic organisms and to humans.
To complement and supplement previous and existing restoration efforts, DDOE is conducting a remedial investigation and feasibility study (RI/FS) of the Anacostia River sediments. The comprehensive and never-done-before remedial investigation is currently underway. Its purpose is to assess the nature and extent of pollution in the river by sampling river sediment and fish for a wide variety of chemicals. As part of the RI, studies will also integrate sampling and data collection to support a study for the Natural Resources Damage Assessment (NRDA) of the river. The RI work plan is posted below, as well as responses to public comments on the plan. After the RI is complete, the FS will evaluate potential remedial actions.
As seen in the table below, DDOE finished the first round of sampling in late October. Analysis of this data is an on-going process.
|Progress as of late October|
|July 7, 2014||Complete||100%|
|July 7, 2014||Complete||100%|
Sediment Pore Water
|August 15, 2014||Complete||100%|
|Surface Water Sampling||August 15, 2014||Complete||100%|
|Deep Sediment Sampling||September 27, 2014||Complete||100%|
|Fish Tissue Sampling||October 13, 2014||Complete||100%|
Update as of April 14, 2015: Follow-up investigations to augment the completed sampling at Anacostia River Sediment Site
The enclosed memorandum (attached below) presents an addendum to DDOE Final Anacostia River Sediment Project Remedial Investigation (RI) Work Plan dated June 16, 2014 (Tetra Tech, 2014a) (the Addendum). The Addendum covers additional environmental sampling tasks at a total of fifty-five (55) additional locations within the District of Columbia portion of the RI study area. The study will be performed to augment the completed sampling for the RI and will be performed as an extension of the current phase of the investigation. The memorandum with selected locations and their sample rationale is attached below. The field mobilization is planned for April 20, 2015 and field activities is expected to continue through May 20, 2015.
Community Involvement Plan
DDOE has also prepared a Community Involvement Plan (CIP) that serves as a planning tool to promote mutual communication between the public, stakeholders, and parties potentially responsible for the pollution, throughout the investigative phase and, any remedial cleanup phase. DDOE is fully committed to involving the public in every phase of the investigation and cleanup efforts in a substantial and significant manner to meet established goals. The Community Involved Plan is posted below, as well as responses to public comments on the plan.
If you have any questions or comments on the Anacostia River sediment project, please contact Dev Murali, Remedial Project Manager at firstname.lastname@example.org.
Administrative Record File
The administrative record file provides public access to Anacostia River Sediment Project documents. The link below contains:
To utilize the administrative record file, please open the index file within the link below, which provides a list of all documents and their respective locations within folders and subfolders.
The DDOE is providing hard copies of the Work Plan and the Community Involvement Plan at three repository sites: