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WALLACE • KUHL <br /> Ei ASSOCIATES INC. <br /> February 25, 1994 <br /> Mrs. Barbara Drake <br /> 8315 Arroyo Way <br /> Stockton, California 95209 <br /> s <br /> PROPOSAL FOR HYDROPUNCH GROUND WATER INVESTIGATION <br /> 26485 THORNTON ROAD <br /> Thornton, California <br /> Dear Mrs. Drake, <br /> 'Y We are pleased to provide you with this cost estimate for a hydropunch <br /> investigation at the above-referenced property. We propose the fallowing <br /> a scope of work: <br /> 4 prepare a workplan for review by the San Joaquin County Public <br /> Health Services (SJCPHS) <br /> � �j obtain necessary permits and coordinate well inspection with the <br /> -�f SJCPHS <br /> drill five to seven soil borings to an anticipated depth of 10 feet <br /> w �a below site grade with a truck-mounted drill rig, equipped with <br /> hollow stem augers. Soil samples will be obtained at approximate <br /> J <br /> I'-nrir ,nnu innl c"„m,iltisi�� <br /> ti five-foot intervals or changes_in lithology with a modified <br /> '` ""`!`""'"``"` California sampler ler containing clean brass tubes. All sam le tubes <br /> "I?o, P g P <br /> will be sealed with TeflonO sheets, plastic end caps, and duct tape <br /> t n,i.r,m Ikm Iny•r,ii,a, r i <br /> j and preserved on ice. Soils encountered during drilling will be <br /> logged by an experienced field engineer/geologist <br /> ' • obtain ground water samples from beneath the site using <br /> Hydropunch technology. At appropriate depths, a Hydropunch I <br /> sampler containing a four-foot disposable <br /> ('A Oibll l <br /> 1=n> X16 37;.'.7567 <br /> h <br />