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r'a <br /> ` EXCELTECH <br /> 41674 CHRISTY STREET • FREMONT, CA 94538 <br /> PHONE 415 659-0404 • CONTR. LIC. NO. 464324 <br /> AUG'311987 <br /> August 27, 1987 ENVIROMENTAL H <br /> LTN <br /> PERMIT/SERVICES <br /> Mr. Mike Flores <br /> Stockton Service Station <br /> Equipment Co., Inc. <br /> __ .r.�....... �. r. <br /> .14 <br /> Stockton, CA 95201 <br /> Re: Proposal for Soil Sampling Plant Beneath Subsurface Storage Tank <br /> Exceltech Project-No. 1.603G <br /> Dear Mr. Flores: <br /> r <br /> I spoke with Dan Moe at the San Joaquin Local Health District concerning the tank closure at <br /> Lancaster's Van and Storage at 1250 Main Street in Manteca. I believe that we have coma to an <br /> agreement on the scope of the project. This letter serves as an addendum to our proposal of!,August <br /> 18, 1987. <br /> The District would like to have samples collected from above the water table at each end of the tank. <br /> To accomplish this, two'separate angle borings will be drilled. Mr. Moe has confirmed that only the <br /> two lowermost samples from each boring need to be analyzed. Each boring will be backfilled with <br /> cement grout after sample collection. Analysis and reporting will be as previously agreed upon. <br /> Exceltech will perform the above scope of work for a fixed fee of It Itis our <br /> understanding that the boring site is easily accessible and not obstructed by overhead wires and <br /> underground utilities and the price is dependent upon this assumption. <br /> `The Health District-will'need-to-reviev.-and-approve 4hese changes.«.A-drilling-date-w,".I-be-desgnated— <br /> when approval is granted. We will advise you of the date at that time. <br /> If you have any questions, please contact our office. <br /> Sincerely, 6 <br /> EXCELTECH,INC. i <br /> f , <br /> I` <br /> Christopher M. Palmer, C.E.G. #1262 Stephen Costello <br /> Manager, Geotechnical Services Staff Geologist <br /> i <br /> F. <br /> CMP/SC/da <br /> cc: Mr. Dan Moe IIS <br /> San Joaquin Local Health District <br />