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1 <br /> • <br />' The levels of the top of these two wells will be measured and will be reported to us The next <br /> monitoring event will be in October, 2005 <br />' All the drill cuttings were placed in steel drums and have been removed and will be disposed of <br /> properly <br /> GEOLOGY <br />' The site and all nearby terrain are underlain by non-marine fine grained sediments which are <br /> tentatively assigned to the Modesto Formation of Pleistocene age ( USGS Bulletin 1470 <br /> Marchand and Awordt, 1981) Although the Modesto is typically composed of coarser-grained <br />' material such as sands and gravels it is reasonable on the basis of stratigraphic position, to <br /> consider these finer-grained sediments to be a distal portion of the large alluvial fans, which make <br /> up the Modesto The materials penetrated in this site bonngs are chiefly clay, silty clay and clayey <br />' silt Sandy strata are present in the bonngs between 25 and 30 feet and below 50 feet bgs <br /> interbedded with silts and silty clay Bedding is absent or non-distinct but appears to be <br /> essentially horizontal <br /> Yours truly �fRED� <br /> " C& <br /> o s . <br /> John Cussen No 6S6 <br /> RG #6506 <br /> Enclosures OF CAL <br /> 1 Figure <br /> 1 Cross-section <br /> 3 Boring Logs <br /> 2 Laboratory Reports and Chain of Custodies <br /> Distribution <br /> Mr Roger Liston, Beneto Inc <br /> Mr James Barton, RWQCB Sacramento <br /> I <br /> f <br /> I <br /> • 5 <br /> I <br />