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California Regional Water Quality Control Board <br /> Central Valley Region <br /> Steven T.Butler,Chair f '' �/f�. F <br /> Winston H.Hickox Gray Davis <br /> Secretaryfor Sacramento Main Office 5 E f 2 PM 12: 56 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•DoD FAX(916)255-3052 <br /> 28 September 1999 <br /> Mr. Alfonso T. Jesena, Jr. <br /> Navy Environmental Facility Activity-West <br /> Code 6424 <br /> 900 Commodore Drive <br /> San Bruno, CA 94066-2402 <br /> DRAFT FIELD INVESTIGATION WORK PLAN FOR UNDERGROUND STORAGE TANK <br /> (UST)SITES AT BUILDINGS 24 AND 128, NAVAL COMPUTER AND <br /> TELECOMMUNICATIONS STATION(NCTS), SAN DIEGO DETACHMENT, STOCKTON <br /> We have reviewed the Draft Field Investigation Work Plan for Underground Storage Tank Sites at <br /> Buildings 24 and 128, dated September 1999, at NCTS, Stockton. The work plan has been prepared <br /> for the purpose of characterizing soil and ground water conditions at the two former UST sites. <br /> Results of soil and ground water samples will also be used to verify previous chemical analytical <br /> data collected at the UST sites. <br /> We have determined that the work plan is complete and recommend that field activities begin at your <br /> earliest convenience. This approval is conditioned upon the Navy following the conditions listed <br /> below: <br /> 1. The Navy should use precise quality control and quality assurance when physically sampling <br /> ground water because of the nature of the volatile organics. <br /> 2. The Board requests that notification of field activities should be given at least 48 hours prior to <br /> work so we may plan to observe operations. <br /> If you have any questions please contact me at (916) 255-3078 or schwabk(a)rb5s.swrcb.ca.,gov. <br /> Kim A. Schwab <br /> Associate Engineering Geologist <br /> cc: Mr. Jim Austreng, DTSC, Region 1, Sacramento <br /> Mr. Ron Rowe, San Joaquin County Environmental Health, Stockton <br /> Mr. Brad Beeman,NCTS, Stockton <br /> Mr. Jay Jahangiri,Port of Stockton <br /> Mr. Christopher M. Fennessy, Tetra Tech EMI, Rancho Cordova <br /> KAS:NCTS UST 24& 128 <br /> California Environmental Protection Agency <br /> ca Recycled Paper <br />