Kenilworth Park Landfill Site Public Informational Meeting October 17, 2018 Contaminated Sites Program Kenilworth Park Landfill National Park Service National Park Service Environmental Compliance and Response Branch Contaminated Site Team U.S. Department of the Interior U.S. Department of the Interior
Agenda • What is the History of Kenilworth Park Landfill Site? • What work has NPS completed at the Site? • What are the plans for the future? Contaminated Sites Program National Park Service Environmental Compliance and Response Branch U.S. Department of the Interior
Kenilworth Park Landfill Site Location Contaminated Sites Program National Park Service National Capital Parks - East National Park Service Environmental Compliance and Response Branch U.S. Department of the Interior Kenilworth Park Landfill U.S. Department of the Interior
Site Orientation Kenilworth Marsh Kenilworth Park North Kenilworth Paradise at Parkside (Mayfair) Eastland Gardens Kenilworth Mayfair Mansions Park South Neval Thomas Elementary School Contaminated Sites Program National Park Service National Capital Parks - East National Park Service Environmental Compliance and Response Branch U.S. Department of the Interior Kenilworth Park Landfill U.S. Department of the Interior
Kenilworth Landfill History Landfill Operations Timeline • 1942 - District received permit from War Department to burn trash on approximately 20 acres of Kenilworth Park • 1968 - In February, open-burning operations ended • 1970 - All landfill operations end in January (soil cover placed and seeded) • 1980 - Recreational areas of Kenilworth Park opened Contaminated Sites Program National Park Service Environmental Compliance and Response Branch U.S. Department of the Interior
Kenilworth Landfill History Contaminated Sites Program National Park Service Environmental Compliance and Response Branch U.S. Department of the Interior
Kenilworth Park Landfill North Contaminated Sites Program National Park Service Environmental Compliance and Response Branch U.S. Department of the Interior
Kenilworth Park Landfill North Contaminated Sites Program National Park Service Environmental Compliance and Response Branch U.S. Department of the Interior
1900 USGS Map Contaminated Sites Program National Park Service National Capital Parks - East National Park Service Environmental Compliance and Response Branch U.S. Department of the Interior Kenilworth Park Landfill U.S. Department of the Interior
1945 USGS Map Contaminated Sites Program National Park Service National Capital Parks - East National Park Service Environmental Compliance and Response Branch U.S. Department of the Interior Kenilworth Park Landfill U.S. Department of the Interior
1963 Aerial Photo; Fill Progression Contaminated Sites Program National Park Service National Capital Parks - East National Park Service Environmental Compliance and Response Branch U.S. Department of the Interior Kenilworth Park Landfill U.S. Department of the Interior
1970 Aerial Photo; Landfill Closure Contaminated Sites Program National Park Service National Capital Parks - East National Park Service Environmental Compliance and Response Branch U.S. Department of the Interior Kenilworth Park Landfill U.S. Department of the Interior
Fill Material • Open Burning of Municipal Waste (1942 to 1968) • Incinerator Ash (1942 to 1970) • Raw Municipal Waste (1968 to 1970) • Soil Cover (3 to 15 feet; early 1970s) • Soil/Construction Debris (2 to 20 feet at KPS; 1997 - 1998) Contaminated Sites Program National Park Service National Capital Parks - East National Park Service Environmental Compliance and Response Branch U.S. Department of the Interior Kenilworth Park Landfill U.S. Department of the Interior
CERCLA Cleanup Process CERCLA = The Comprehensive Environmental Response, Compensation, and Liability Act, commonly known as Superfund Preliminary Remedial Remedial Post Assessment/ Investigation/ Proposed Record of Design/ Construction Site Feasibility Plan Decision Remedial Inspection Inspection Study Action Contaminated Sites Program National Park Service National Capital Parks - East National Park Service Environmental Compliance and Response Branch U.S. Department of the Interior Kenilworth Park Landfill U.S. Department of the Interior
Status of NPS CERCLA Activities • 2007/2008 Remedial Investigation Findings o Possible risk associated with contaminants in soil o Impacts to surface water unlikely o Impacts to groundwater unlikely but required confirmation • 2012 Feasibility Study completed to review alternatives to address soil contamination • 2013 NPS issued Proposed Plan - Soil Cap • Also in 2013, NPS initiated additional groundwater investigation to confirm 2007/2008 Remedial Investigations findings • Based in part on public comments received, the Proposed Plan deferred until additional investigations completed Contaminated Sites Program National Park Service Environmental Compliance and Response Branch U.S. Department of the Interior
Studies Done 2013 - 2018 Supplemental Groundwater Study Porewater Study Groundwater Study Seep Characterization Study Surface Soil Study Updated Human Health Risk Assessment Updated Ecological Risk Assessment Contaminated Sites Program National Park Service Environmental Compliance and Response Branch U.S. Department of the Interior
Site Contaminants Surface Soil (top 6 inches) • Polycyclic Aromatic Hydrocarbons (PAHs) • Polychlorinated Biphenyls (PCBs) Subsurface Soil (includes fill) • Lead Groundwater • Iron Contaminated Sites Program National Park Service Environmental Compliance and Response Branch U.S. Department of the Interior
Future Use Kenilworth Park South • NPS will manage as a Natural Resource Recreational Area (wildlife habitat and recreational use such as birder, cyclist, walker [Anacostia River Trail Use]). Kenilworth Park North • Active recreational use (i.e. athletic fields) will continue. • Congress directed NPS to transfer administrative jurisdiction of KPN to the District (PL 108-335 § 334) to be used “for the provision of public recreational facilities, open space, or public outdoor recreational opportunities.” Contaminated Sites Program National Park Service National Capital Parks - East National Park Service Environmental Compliance and Response Branch U.S. Department of the Interior Kenilworth Park Landfill U.S. Department of the Interior
Next Steps Nov. 2018 Jan. 2019 2019 2019 Remedial Investigation Addendum Record of Decision Evaluate possible Report will Public alternatives reassess risk Meeting to cleanup Site Contaminated Sites Program National Park Service Environmental Compliance and Response Branch U.S. Department of the Interior
Public Outreach • https://www.nps.gov/nace/learn/management/kpls.htm • Community Updates • Administrative Record • Email updates • Release Proposed Plan for Public Comment • Hold second public meeting (after proposed plan released for public comment) • Respond to public comments Contaminated Sites Program National Park Service National Capital Parks - East National Park Service Environmental Compliance and Response Branch U.S. Department of the Interior Kenilworth Park Landfill U.S. Department of the Interior
Join Us at the Posters for More Details and Questions 21 Contaminated Sites Program National Park Service National Capital Parks - East National Park Service Environmental Compliance and Response Branch U.S. Department of the Interior Kenilworth Park Landfill U.S. Department of the Interior
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