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Naval Air Station (NAS) Jacksonville
Naval Air Station (NAS) JacksonvilleEPA ID: FL6170024412
Location: Jacksonville, Duval County, FL
Congressional District: 03
NPL Status: Proposed: 07/14/89; Final: 11/21/89
Project Manager
Documents:
- Site Profile
- Additional Site Documents including Five Year Reviews, Records of Decisions (ROD) and Explanation of Significant Differences (ESD).
- For documents not available on the website, please contact the Region 4 Freedom of Information Office (http://www.epa.gov/region4/foiapgs/submit.htm).
Site Background:
NAS Jacksonville is located in Duval County on the western bank of the
St. John's river. The facility is approximately 3800 acres in size and
its mission is to provide facilities and support for the operation and
maintenance of naval weapons and aircraft. The cleanup program is being
conducted under the Navy's Installation Restoration (IR) program. As a
result of IR activities, 51 sites were identified as needing additional
investigation. A Hazardous and Solid Waste Amendments Act (HSWA) permit
was issued by EPA to the installation in June 1987 and a Resource Conservation
and Recovery Act (RCRA) Facility Assessment (RFA) was included in the EPA
issued permit. The site was placed in the National Priorities List (NPL)
in November 1989. Subsequently, a Federal Facilities Agreement (FFA) was
signed that decreed that the cleanup of these potential sources of contamination
(PSCs) would be conducted under the Comprehensive Environmental Response,
Compensation and Liability Act (CERCLA), with RCRA as an Applicable or
Relevant and Appropriate Requirement (ARAR). In addition to the IR/CERCLA
program, the facility has other active regulatory programs. A Florida RCRA
permit was issued to NAS Jacksonville by the Florida Department of Environmental
Protection (FDEP). An Underground Storage Tank Program is currently investigating
over 50 tanks as provided for in Florida Administrative Code Section 17-770.
Cleanup Progress: Actual Construction Underway
Operable Unit One contains a landfill and a PCB disposal area. The area drains
into a St. Johns River estuary and adjoining wetlands and abuts a military housing
area. The final remedy for the site included a cap for the landfill, continuation
of the LNAPL disposal system and monitored natural attenuation for the groundwater. This
was completed on March 18, 2005. Operable Unit Two, the Wastewater Treatment
Area, contains several PSCs: 2, 3, 4, 41, 42, and 43. The risks posed by these
PSCs were addressed by Interim Remedial Actions that were completed on March
5, 1999. The final Remedy selected on March 19, 1999, was No Further Action needed,
with Land Use Controls for soil, and No Action for the groundwater.
Operable Unit Three, the Industrial Area, is under construction. It has known
chlorinated solvent contamination at several locations and sediments contaminated
with Poly-Aromatic Hydrocarbons and lead near a sewer outfall (PSC 16). Additional
plume delineation is required in this area. Two interim removal actions (IRAs)
have been implemented at Operable Unit Three. An air sparging and soil vapor
extraction (SVE) system at PSC 48 was brought online in March 1998. This system
is removing significant contaminants. The second IRA, conducted at Building 780
beginning on April 1998, includes groundwater extraction and treatment, and SVE.
This system appears to be removing contaminants from the groundwater and the
vadose zone. A ROD was signed on September 28, 2000 selecting these two IRA as
the final remedy. These two remedies had an optimization review in 2004-2005
as part of the five year review to determine their effectiveness and whether
additional treatment train is needed. As a result of the optimization
review the two systems are temporarily shut down since July 2005 and additional
delineation work is being performed to determine if the systems can be redesigned
or replaced with new remedies.
Operable Unit Four is Casa Linda Lake (PSC-21), a storm-water retention basin.
Sediments are contaminated with PAHs and fish tissue contains elevated levels
of PCBs. The Navy is currently implementing a remedy, which calls for monitoring
of storm-water, institutional controls to prevent exposure, and passive habit
control to reduce or eliminate exposure to ecologic receptors.
There are four other Operable Units, which are currently under investigation.
Cleanup decisions were implemented for two operable units, Five and Seven in
2005. Operable Unit Five is located at the South Antenna Farm where a former
fire training and aircraft disassembly area existed. A soil removal was performed
in early 1998 to address the contamination source. Monitored natural attenuation
for groundwater and land use control for soil has been implemented since 2005.
Operable Unit Six is the Hanger 1000 groundwater plume. A ROD was finalized in
2007 with monitored natural attenuation and land use control as the selected
remedies. Operable Unit Seven consists of the Defense Reutilization and Marketing
Office (DRMO) Yard. A ROD proposing source removal of areas not covered by concrete
with land use control was signed September 22, 2005. Operable Unit Eight is the
Pesticide Shop. The environmental investigation for OU Eight was completed
in early 2005. A pilot study evaluated potential remedies,
and a supplemental investigation was performed to help further delineate
source area contamination and for consideration of cost effective remedies. An
interim remedial action was performed in late 2007 and will continue into 2008
to remove source area soil to Industrial use and prevent leaching to groundwater. It
is projected that a record of decision will select the remedy for this Operable
Unit in 2008.