National Park Service and District Department of the Environment Washington Gas – East Station Site: OU1 Cleanup Public Meeting
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National Park Service and District Department of the Environment Washington Gas – East Station Site: OU1 Cleanup Public Meeting
National Park Service and District Department of the Environment Washington Gas – East Station Site: OU1 Cleanup Public Meeting
1
Washington Gas – East Station Site Operable Unit 1 Cleanup
Public Meeting
December 11, 2014
Photo credit: DDOT, 1963
National Park Service and District Department of the Environment Washington Gas – East Station Site: OU1 Cleanup Public Meeting
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National Park Service and District Department of the Environment Washington Gas – East Station Site: OU1 Cleanup Public Meeting
2
National Park Service and District Department of the Environment Washington Gas – East Station Site: OU1 Cleanup Public Meeting
National Park Service
(Former land manager)
DDOE (Current land owner)
Washington Gas Light Company
Lead Oversight Agency
Partner Oversight Agency
Company Performing the Cleanup
CONTAMINATED SOIL REMOVAL REMEDIAL ACTION
National Park Service and District Department of the Environment Washington Gas – East Station Site: OU1 Cleanup Public Meeting
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National Park Service and District Department of the Environment Washington Gas – East Station Site: OU1 Cleanup Public Meeting
Site Location Map
Washington Gas East Station – Government
Property
National Park Service
National Park Service and District Department of the Environment Washington Gas – East Station Site: OU1 Cleanup Public Meeting
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Government Property
Former Washington Gas Manufactured
Gas Plant
National Park Service and District Department of the Environment Washington Gas – East Station Site: OU1 Cleanup Public Meeting
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1983-1999 Washington Gas Investigations, Decision Document
2006 Government Property ROD
2012 NPS, DDOE, Washington Gas Consent Decree
2014-2015 OU1 Remedial
Action
2017-2018 Government
Property Reopens
National Park Service and District Department of the Environment Washington Gas – East Station Site: OU1 Cleanup Public Meeting
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Prepare the
property for work
Excavate up to 3
feet
Backfill with clean
fill and topsoil, and plant grass
Keep the remedy
protective
Now through December January through April Two 2 years with
fence, and into the future
National Park Service and District Department of the Environment Washington Gas – East Station Site: OU1 Cleanup Public Meeting
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National Park Service and District Department of the Environment Washington Gas – East Station Site: OU1 Cleanup Public Meeting
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Next steps at the Government Property:
1. Open a safe, accessible park two years after cleanup
1. Investigate subsurface contamination
2. Evaluate contaminant movement to Anacostia River
3. Assess risk to humans and environment
OU1
OU2
National Park Service and District Department of the Environment Washington Gas – East Station Site: OU1 Cleanup Public Meeting
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RI/FS Work Plan
Initiate RI
RI/FS Report and Proposed Plan
Record of Decision
2015
2016* 2017*
OU2 CERCLA Process
*Timing depends on investigation results
National Park Service and District Department of the Environment Washington Gas – East Station Site: OU1 Cleanup Public Meeting
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General scope of the OU2 investigation: Drilling to observe deep soils at the
Government Property Groundwater and soil sampling Monitoring well installation and sampling to
determine contaminant movement in groundwater
Sediment sampling Sampling groundwater beneath the river Surface water sampling
National Park Service and District Department of the Environment Washington Gas – East Station Site: OU1 Cleanup Public Meeting
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For more information: http://www.nps.gov/nace/parkmgmt/ washingtongas.htm or Google “NPS Washington Gas” Or contact National Capital Parks-East headquarters at 202-692-6066.
