Status of the Environmental Cleanup Program Naval Station Treasure - PowerPoint PPT Presentation

Status of the Environmental Cleanup Program Naval Station Treasure Island Presented to the Treasure Island Development Authority Keith Forman BRAC Environmental Coordinator November 19, 2014 1 BRAC Program Management Office

Presentation Outline • Overview of Cleanup Process • Progress and Status of CERCLA Sites • Radiological Program • Transfer Update 11/19/2014 2 BRAC Program Management Office

CERCLA Process The steps of the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) Remedial Record of Feasibility Proposed Remedial Remedial Investigation Decision Study (FS) Plan (PP) Design (RD) Action (RA) (RI) (ROD) 11/19/2014 3 BRAC Program Management Office

Status of CERCLA Sites • Thirteen sites have been closed • Eight open CERCLA sites on Treasure Island  4 of 8 are post-Record of Decision (21, 27, 30, 31)  3 of 8 are Proposed Plan stage (6, 24, 32)  1 of 8 is Feasibility Study Stage (12) • Three open CERCLA sites on Yerba Buena Island (8, 11, 29), all three are on Caltrans property 11/19/2014 4 BRAC Program Management Office

Open CERCLA Sites Post-Record of Decision Proposed Plan Feasibility Study 11/19/2014 5 BRAC Program Management Office

Site 6 – Former Fire Training School Site 6 • Fire training area for 50 years • Used as temporary storage area for soil bins from Site 12 • The Record of Decision currently in review, to be finalized December 2014 • Navy proposes removing soil with dioxins, furans, benzene, and manganese; test groundwater for VOCs, manganese, arsenic, and petroleum 11/19/2014 6 BRAC Program Management Office

Site 12 – Old Bunker Area/Current Residential Neighborhood Site 12 SWDA North Point SWDA Bayside • Historically used for ammunition bunkers, incineration and disposal of solid waste • Data Gaps Investigation was completed SWDA Westside in October, this data will support a Feasibility Study Addendum in 2015 • Soil contaminants include PCBs, PAHs, dioxins, and metals, including lead, aluminum, and copper • Groundwater contamination in one area (arsenic and weathered petroleum) • Low-level radiological items are being addressed under the radiological program • Work in Solid Waste Disposal Areas will be complete in 2016. Fieldwork SWDA Bigelow Ct includes demolition of buildings, digging up remainder of solid waste, and doing radiological screening and confirmation • Remainder of Site 12 to be complete in 2021 11/19/2014 7 BRAC Program Management Office

Site 12 – Old Bunker Area/Current Residential Neighborhood (Continued) Demolition of Building 1121 11/19/2014 8 BRAC Program Management Office

Site 12 – Old Bunker Area/Current Residential Neighborhood (Continued) Completed SWDA Bigelow Court radiological, lead, and PCB cleanup in October 2014 Land Surveyor verifies depth of excavation at Bigelow Court Completed excavation, prior to backfill 11/19/2014 9 BRAC Program Management Office

Site 21 – Vessel Waste Oil Recovery Area Site 21 • Oil recovery area operated from 1946 to 1995 • Successfully cleaned up groundwater contamination with bioremediation treatment technologies • Groundwater and soil gas monitored semi-annually for chlorinated VOCs 11/19/2014 10 BRAC Program Management Office

Site 24 – Dry Cleaning Facility Site 24 • Groundwater area of contamination reduced from 20 acres to ½ acre • A Proposed Plan for the remainder of the cleanup is being developed; Navy will issue in 2015 • Groundwater is monitored semi-annually • Site boundary has been modified to support property transfer 11/19/2014 11 BRAC Program Management Office

Site 27 – Clipper Cove Skeet Range Site 27 • Cleanup objective is protecting diving ducks; no human health risk • Dredged 8,766 cubic yards of sediments. Placed rock at the bottom of the excavation • Project is complete • Marina controls to protect rock are being coordinated with TIDA 11/19/2014 12 BRAC Program Management Office

Site 30 – Daycare Center Site 30 • Navy annually inspects foundation of daycare center • In 2015, Navy will perform follow-up to state health and safety radiological survey conducted because of proximity to an historical recycling yard 11/19/2014 13 BRAC Program Management Office

Site 31 – Former Storage Yard Site 31 • Used during the 1970s as a storage yard, buried construction and burned debris. Also a radiologically impacted area • Contaminants include lead, dioxins, petroleum, and PAHs • Post-Record of Decision excavation is complete; radiological survey is complete • The site has been restored and the fences have been removed • The Navy is currently seeking radiological free release of the site 11/19/2014 14 BRAC Program Management Office

Site 32 – Former Training and Storage Area Site 32 • PCBs, dioxins and metals removed in 2010 • Radiological survey is complete and results are pending; Navy will issue survey report in early 2015 • Next step will be the Record of Decision 11/19/2014 15 BRAC Program Management Office

Site 33 – Water Line Replacement Area Site 33 • Record of Decision directed excavation of arsenic and lead; excavation is complete and the site has been restored • Precautionary radiological screening is complete; no radiological contamination was found • The site was closed in October 2014 11/19/2014 16 BRAC Program Management Office

Radiological Program Navy Laydown Area Building 461 Area Waste & Clean Soil Stockpile and Truck Loading & Decontamination Site Solid Waste Disposal Areas Pandemonium Site II, IR Site 32 Former Salvage Yard and Current Sewage Treatment Plant Pandemonium Site I Navy Contractor Compound IR Site 12 Scoping Survey Area IR Site 31 IR Site 30 Petroleum Site 20 Sanitary Sewer Line Former Storage Yard Areas Former Supply Department Salvage Yard (Lot 69) Building 342 and Yard Area Building 343 and 344 Building 233 Building 233 Sanitary Sewer and Storm Lines Building 3 Sanitary Sewer Line Building 3 11/19/2014 17 BRAC Program Management Office

Radiological Program – Site 12 Radiological Surveys - Site 12 • Housing area scans were completed on August 19, 2014, after 50 full days of surveying. Two weeks after each scan was complete, the housing provider was given a copy of the results to forward to tenants. A survey completion report issued today (November 19, 2014). • Samples collected in the 1400 series housing area for radiological soil concentration data; draft report issued November 6, 2014 • Gamma walkover survey and scanning conducted in all common Technicians scan the interior of a residence areas and backyards; draft report will be issued in December 2014 11/19/2014 18 BRAC Program Management Office

Transfer Update • Completed four FOSTs between 2006 and October 2014 • The goal is to complete the initial transfer to the City of San Francisco in December 2014 11/19/2014 19 BRAC Program Management Office

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