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0311012005 15:57 5306761;P05 STRATUS NO CALIF- PAGE 01110 <br /> i <br /> STRA MS EnvironmentA' c <br /> 3330 Cameron Park Drive,'Suite 550, Cameron Park, California 95682 <br /> Phone:.(530)676-6004; Fax: `(530)676-6005 <br /> a <br /> r <br /> FXX <br /> Margaret Lagorio and Nuel.` <br /> Cornpany San Joaquin County Env Heaith Dept. <br /> `10 Henderson <br /> Phone. 209)4-68 344` - Fax: (209 468 3433 <br /> FroGc:wri Kowtha <br /> 1 late: March 11.2005 <br /> Phone: (530?676-6001 pages: 10 (including covert <br /> Urgent }+ dor Review ❑Please comment ❑Please Reply Cl Please Recycle <br /> Regarding: Joe's Truck Plaza 15600 Harlan Road, Lathrop. <br /> ;E <br /> Message: Tear Margaret and Nuel: <br /> l <br /> Thank you for taking the tune to talk to me this morns and having a good technical discussion <br /> regarding the site.As I mentioned,we might not have a choice but the extract water from three well <br /> mentioned in the IRAP,because all iother alternatives are either not viable or cannot be implemented <br /> immediately.;I understand your concern regarding the need for a pump test and related data that can be <br />{ used to evaluate the proposed alternative in the TRAP.I'believe that the relevant data can be gathered <br /> r during the operation of the interim system. The effectiveness of the proposed corrective action can be <br /> k. hydrocarbon concesrtrttions in floe surrounding <br /> completed by monitoring the reduction in petroleum <br /> monitoring tells and change in groundwater flow direction and gradient, rather than mass removal <br /> i rates, <br /> 1 <br /> 1 <br /> 3 I have attached a spreadsheet that.shows mass removal rates at different extraction <br /> l pumping from wells l'~W-2 and Mlvtr-3..At million gallons X27$days at 2-5 7y�d constant <br /> concentration of approximately 500 pg/L,MTBE concentration,the anticipated truss removed <br /> will be 4.21bs. <br />{ <br /> Tope this helps in your decision nriai ing process <br /> I <br /> Please call me if you have any quest tions or concerns. <br /> Gowri S.Kowtha,P-E, <br /> i <br />