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California� Regional Water Quality Control Board <br /> Central Valley Region 6` ' <br /> Steven T.Butler,Chair, 1J <br /> Winston H.Hickox Gray Davis <br /> Secretary for Sacramento Main Office Governor <br /> Environmental Internet Address: http://www.swrcb.ca.gov/—rwgcb5 <br /> Protection 3443 Routier Road,Suite A,Sacramento,California 95827-3003 <br /> Phone(916)255-3000•FAX(916)255-3015 <br /> 3 May 2000 <br /> Mr. Richard Powell <br /> Naval Facilities Engineering Command, West <br /> Environmental Compliance, Mail Code 6423 <br /> 900 Commodore Drive <br /> San Bruno, CA 94066-2402 <br /> SITE INVESTIGATION AND REMOVAL OF SOIL/CONSTRUCTION DEBRIS PILES FROM <br /> SITE 19, PARCEL 150, NAVAL COMPUTER AND TELECOMMUNICATIONS STATION, SAN <br /> DIEGO DETACHMENT, STOCKTON <br /> We have reviewed the Navy's response to comments regarding the Site Investigation and Removal of <br /> Soil/Construction Debris Piles from Site 19, Parcel 150. This site was formerly funded through <br /> Operation & Maintenance (O&M) funds at NCTS, Stockton and is now considered part of the <br /> Installation Restoration Program (IRP). The Navy's comments suggest that they neither willing to <br /> perform additional sampling of the stockpiles on Site 19 nor compare sampling results to established <br /> background concentrations. The Navy proposes to spread the stockpiled soil over Site 19 and maintain <br /> siltation fences to preclude sediment from impacting the adjacent drainage ditch. <br /> We do not concur with the Navy's responses to our letter of 3 March 2000. We reiterate the need to take <br /> representative samples from each stockpile, compare results to established background concentrations <br /> for metals and pesticides in order to protect surface water and groundwater, dispose of the stockpiles <br /> accordingly, and provide a sampling and analysis plan for surface and subsurface soil beneath the piles, <br /> and possibly groundwater sampling, as necessary. Now that the site has been incorporated into the IR <br /> Program, we anticipate EFA, West to include this site in the revised IRP schedule for further <br /> investigation. <br /> If you have any questions please contact me at (916) 255-3078 or schwabk @rb s.swrcb.ca.gov. <br /> Kim A. Schwab <br /> Associate Engineering Geologist <br /> cc: Mr. Richard Powell, EFA, West, San Bruno <br /> Mr. Randy Adams, Region 1, DTSC <br /> Mr. Ron Rowe, San Joaquin Environmental Health Dept., Stockton <br /> Mr. Scott Flint, Dept. of Fish and Game, Sacramento <br /> Mr. Jay Jahangiri, Port of Stockton <br /> Ms. Christine Baumgardt, Luce, Forward, Hamilton and Scripps, San Diego <br /> KAS:NCTS Site 19 IRP <br /> California Environmental Protection Agency <br /> ca Recycled Paper <br />