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uaht C Q ' y itrol Board <br /> California RE anal Water <br /> Central Valley Region i <br /> Robert Schneider,Chair Gray Davis <br /> Winston H.Hickox Governor <br /> Secretaryfor Sacramento Main Office <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 /> Richard Powell 23 March 2001 <br /> Naval Facilities Engineering Command, West <br /> Environmental Compliance, Mail Code 6423 <br /> 900 Commodore Drive <br /> San Bruno, CA 94066-2402 <br /> DRAFT FINAL ENVIRONMENTAL INVESTIGATION REPORT, UNDERGROUND STORAGE <br /> TANK SITES(UST)AT BUILDINGS 120 AND 210, NAVAL COMPUTER AND <br /> TELECOMMUNICATIONS STATION, SAN DIEGO DETACHIVENT, STOCKTON <br /> We are pleased to have received the subject document prepared by AGS, Inc. dated February 2001. <br /> Because the two UST sites have different funding mechanisms for reimbursement of Board time, we <br /> propose to submit comments separately. UST work on Building 120 is DERA funded and UST work on <br /> Building 210 is funded by the Station. Therefore, the Board's review for UST Building 210 will be <br /> forwarded under separate cover. <br /> An investigation was performed by AGS to characterize potential residual soil and groundwater <br /> contamination at the former UST 120 sites by collecting and analyzing additional soil samples and <br /> installing and sampling groundwater monitoring wells. Residual contamination was found at UST 120-4 <br /> in the form of BTEX and TEH-Gasoline. Recommendations include additional sampling of soil and <br /> continued monitoring of existing groundwater monitoring wells. We concur with the recommendations <br /> presented in section 5.2 with one exception. The Navy should continue quarterly groundwater sampling <br /> to ensure that seasonal fluctuations/flow direction in the shallow water-bearing zone (SWBZ) is <br /> monitored. <br /> Thank you for a comprehensive and well-written document. The Navy should submit a subsequent <br /> document with the sampling and analysis of the soil data with an update of the groundwater quality. <br /> If you have any questions contact me at (916) 255-3078. <br /> K A. SCHWAB <br /> Associate Engineering Geologist <br /> Cc: San Joaquin Environmental Health Department, Stockton <br /> Brad Beeman,NCTS, Stockton <br /> Gail Qatsha, NCTS, Stockton <br /> Randall Young, AGS, Inc., 111 New Montgomery Street, Ste. 500, San Francisco, CA 94105 <br /> Kas:NCTS UST 120 Draft Final <br /> California Environmental Protection Agency <br /> 01 Recycled Paper <br /> The energy challenge facing California is real. Every Californian needs to take immediate action to reduce energy consumption. <br /> For a list of simple ways you can reduce demand and cut your energy costs,see our Web-site at http://www.swrcb.ca.gov/rwgcb5 <br />