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09/02 '00 WED 16 48 FAX 19259469968 ERNWEST WC I]002 <br /> Env-11MMental <br /> Resouxces <br /> b63nagement <br /> ]777 DrA elho Drive <br /> Suite W <br /> WaIMLCreek,CA 94596 <br /> (925)9M-W5 <br /> [925)946-9968(Fax) <br /> 9 February <br /> Mr Marty fWtzell <br /> California Regional Water QuaI'tY Control Board <br /> Centra.l'Milley Legion ERMs. <br /> $443 Routier Road,Suite A <br /> Sacramento,CA 95827-3015 <br /> Subject SupplennentalInfornwion <br /> 1325 and 1515 west Weber Avenue <br /> Stockton, Calrforrua <br /> Dear Mr Hartzell <br /> On behalf of Catellus Development Corporation(Catellus),ERM submits <br /> the enclosed technical memorarAa for the subject properties an re$Ponse <br /> to your 21 December 1999 request for additional irdormatiort to support <br /> your evaluation of tho Request for Site Closure Cam a(San Joaquin <br /> County public Health Services Environmeatal Health Division, <br /> December 1999) <br /> Specifically,these me rands address <br /> 1 The potential preseace of ground water wells witlun a 2,0foot <br /> radius of the site, <br /> 2 An estunate of the volumie of conkammation rexnainmg in the ground <br /> grater, <br /> 3_ An estimate of the length of time it w%n take residual ground water <br /> concentrations to achieve roster duality standards; and <br /> 4. A health risk assessment for site soils and ground water <br /> Additional requested information regarding the July 1999 ground water <br /> sampling procedures was previously provided via facsimile Please feel <br />