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ENVIRo�mEINTALHEALTH�6EPARTMENT <br /> �.N JOAUIN COUNTY _ <br /> Unit Scrpei•visors <br /> Donna K.Heran,R.E.H.S. <br /> 304 East Weber Avenue,Third Floor Carl Bergman,R.E.H.S, <br /> Director <br /> Al Olsen R.E.H.S: i Mike 1luggins,R.E.H.S.,R.D.I. <br /> • Stockton, California 95202-2208 Douglas Wilson,R.E.H:s. <br /> W� <br /> Program Manager l� Telephone: {209) 468-342:0 Margaret Lagorio,R.E.B.S. <br /> Foto Laurie A.Cotulla R.E.H.S. ' <br /> Program Manager er <br /> 41, <br /> Fax. {209}464-0138 Robert McClellon,R.E.H.S, <br /> Mark Barcellos,R.E.H.S. <br /> ;E <br /> KASHMIR SIN'GH & DALWINDER DHQ£7T <br /> 15600 HARLAN ROAD 1 <br /> LA.THROP CA 95330 �. <br /> RE: Joe's Place <br /> 15600 Harlan Road <br /> Lathrop,CA <br /> WORKPLAN additional Site --assessment and Evaluation ofRemedial Alternatives DATED.1/5/05 <br /> PREPARED BY: Stratus Environmental <br /> APPROVED X <br /> DISAPPROVED ❑ <br /> ADDENDUM G Submit by: <br /> ;. <br /> I, <br /> r; <br /> ADEQUATE AND NECESSARY ELEMENTS OF THE WORKPLAN [Health&Safety Code(H&S) <br /> Section 25296.10(c)(3)]. s' <br /> 1. Installation of two off-site shallow_'sc eened monitoring wells,one on-site shallow screened monitoring <br /> well and one off-site deeper screened,i(Sand B)monitoring well. <br /> 2. Evalutation of remedial options,incl ding C-Sparge ozone injection,batch extraction of groundwater, <br /> DPE,and air sparging. <br /> 3. Laboratory analysis of soil and water samples for TPH as gasoline and diesel using EPA method 8015B <br /> \ITBE,TBA,TAME,ETI, RIPE,1,2-DCA,EDB methanol and ethanol using EPA <br /> and,B I E :, <br /> method 8260B. it <br /> 4. Surveying of the monitoring wells anis submitting a report of the findings. <br /> CO\I\TENTS AND CONDITIONS: <br /> 1. Submit Environmental"Health-Department(EHD)well permit applications(one per parcel,per <br /> driller)and$89 fee per permit-application,an encroachment permit from the Cit} of Lathrop,and an <br /> access agreement vith oFor}>owner;- (Ince the well permits have been approved,notifi <br /> EHD-of the proposed schedule for the work. <br />' II <br /> 2. If a 12-inch conductor casing is to be grouted in place,prior to drilling through it to install a deeper <br /> screened monitoring well,then the original borehole must be at least 16-inches in diameter. The <br /> conducter casing must have a 2-inch annular grout space. <br /> I <br /> I Analysis of samples to assess the necessity of a bench.-scale test prior to ozone remediation is at the <br /> discretion of the Central Valley regional Water Quality Control Board. Please contact Jim Barton for <br /> F <br /> comment on this. <br /> I+ <br /> DATED <br /> c: GVRWQCB—Jim Barton <br /> Stratus—Steve Garter gig, <br /> i <br />