Superfund Information Systems: Site Profile

Superfund Site:

TREASURE ISLAND NAVAL STATION-HUNTERS POINT ANNEX
SAN FRANCISCO, CA

Operable Units

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Below, EPA has provided a list of the remedial actions selected pertaining to each operable unit.

EPA issues Records of Decision (RODs) to explain which cleanup methods will be used at Superfund National Priorities List sites. EPA has two primary documents that it may use to identify changes to the remedies selected in RODs. EPA uses a ROD Amendment when it needs to make a fundamental change to the remedy. EPA publishes an Explanation of Significant Differences (ESD) for significant changes.

During cleanup, complex sites may be divided into several distinct areas to make the response more efficient. These areas, called operable units (OUs), may address geographic areas, specific problems, or medium (e.g., groundwater, soil) where a specific action is required. The remedies are displayed for the OU numbers indicated in the original decision document. OU numbers may change over time.

EPA is working to improve data quality. The information presented on this page is undergoing review for accuracy and completeness, and may be subject to change.

OU ID Name Decision Document Cleanup Technologies Selected
in the Decision Document
00 SITEWIDE No decision document
01 PARCEL A Record of Decision
November 28, 1995
No Action
02 PARCEL B Record of Decision
October 09, 1997
Containment (other, NOS, onsite)
Disposal (offsite)
Drainage/Erosion Control (other, NOS)
Excavation
Institutional Controls
Monitoring
Solidification/Stabilization (insitu)
02 PARCEL B Explanation of Significant Differences
October 20, 1998
ESD - Nonfundamental Change (other)
02 PARCEL B Explanation of Significant Differences
May 05, 2000
ESD - Nonfundamental Change (other)
02 PARCEL B Record of Decision Amendment
January 28, 2009
Bioremediation (other, NOS, insitu)
Cap (engineered cap)
Cover (soil)
Decontamination
Demolition
Disposal (offsite)
Excavation
Institutional Controls
Monitoring
Monitoring (ambient air)
Shoreline Stabilization
Soil Vapor Extraction (insitu)
Wetlands Replacement
03 PARCEL C Record of Decision
September 20, 2010
Bioremediation (other, NOS, insitu)
Cap (engineered cap)
Chemical Reduction (insitu)
Decontamination
Demolition
Disposal (offsite)
Excavation
Institutional Controls
Monitored Natural Attenuation
Monitoring
Soil Vapor Extraction (insitu)
03 PARCEL C Explanation of Significant Differences
October 22, 2014
ESD/Amd - Cleanup/Performance Standard Change
ESD/Amd - Remedy Component Removal
ESD/Amd - Significant Cost Change
ESD/Amd - Significant Volume Change
ESD/Amd - Treatment Area Change
04 PARCEL D-1 Record of Decision
September 11, 2009
Bioremediation (other, NOS, insitu)
Cover (soil)
Decontamination
Disposal (offsite)
Excavation
Institutional Controls
Monitoring
Sampling
05 PARCEL E Record of Decision
December 31, 2013
Bioremediation (other, NOS, insitu)
Bottom Liner
Cap (engineered cap)
Cover (soil)
Decontamination
Demolition
Disposal (offsite)
Drainage/Erosion Control (other, NOS)
Excavation
Free Product Recovery (active or passive, excluding MPE and bioslurping)
Institutional Controls
Monitored Natural Attenuation
Monitoring (groundwater)
Physical Separation (exsitu, onsite)
Soil Vapor Extraction (insitu)
Solidification/Stabilization (insitu)
Thermal Treatment (insitu)
Vertical Engineered Barrier (other)
06 PARCEL F No decision document
07 PARCEL E-2 (LANDFILL) Record of Decision
November 20, 2012
COC Only
Cap (engineered cap)
Carbon Adsorption (vapor phase)
Consolidate (onsite)
Discharge (POTW)
Disposal (offsite)
Drainage/Erosion Control (other, NOS)
Excavation
Extraction (recovery trench/subsurface collection drain)
Flame Flare (enclosed, open, other, NOS)
Hydraulic Control (containment)
Institutional Controls
Monitoring (groundwater)
Monitoring (landfill gas)
Monitoring (sediment)
Monitoring (soil)
Physical Separation (exsitu, onsite)
Recycling (onsite)
Shoreline Stabilization
Vertical Engineered Barrier (other)
Wetlands Replacement
Wetlands Restoration
08 PARCEL D-2 (BLDGS 813+819) Record of Decision
June 22, 2010
No Further Action
09 PARCEL G Record of Decision
February 18, 2009
Cap (engineered cap)
Chemical Reduction (insitu)
Decontamination
Demolition
Disposal (offsite)
Excavation
Institutional Controls
Monitoring (soil gas)
Sampling
10 UTILITY CORRIDORS Record of Decision
December 17, 2009
Cover (soil)
Decontamination
Disposal (offsite)
Excavation
Institutional Controls
Monitored Natural Attenuation
Monitoring
10 UTILITY CORRIDORS Record of Decision
January 24, 2014
Bioremediation (other, NOS, insitu)
Cap (engineered cap)
Decontamination
Disposal (offsite)
Excavation
Institutional Controls
Monitored Natural Attenuation
Monitoring (soil gas)

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