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SENT BY: 8-17-88 3:06rM rxcu�ryv 'Juvu um-t L "Julu� <br /> s � <br /> t. <br /> R0W - N AND <br /> C A L D W E L L <br /> June 17, 1998 <br /> Mr.Ronald Rowe <br /> San Joaquin County Public Health Services <br /> Enviromnentul Health Division <br /> 304 Webster Avenue <br /> Post Office Box 388 ' <br /> Stockton,California 95201"-0388 017-6271-0111 <br /> Subject: Clarification of Drilling and Sampling Metbods,T&T Trucking, <br /> Dodi,California <br /> Dear Mr. Rowe: <br /> Pursuant to our telephone c nversatiobs of June 12, 15, and 17, 1995,this letter clarifies the <br /> change in 561 sampling protocol that will ba used during field work.at Ibc subject site, <br /> Based on the p6milifity of the planned boreholes to the former LIST excavation, and <br /> evaluation. of the previous investigatibri., we Ido not expect to encounter petroleum <br /> hydrocarbons above the water table. 'We will use continuous core for litholcgy as outlined in <br /> i our March 4, 1998 workplan. if we aticounter any indicatifln of petroleum. hydrocarbons <br /> (1'1D, observation, odor) where the aollcctiun of:a soil sample would be-pnadent, a second, <br /> adjacent borehole will be drilled for the purpose of collecting soil %amples in the appropriate <br /> intmwls. Soil sairnples will be collected Ing the protocol outlined in our workplan. <br /> If you have any questions,please coitiact im at(91.6)444-0123. <br /> Sincerely, <br /> BROWN AND CALDWEL'L !l 15 i rJ�tZ7� <br /> fleQowse- 0 7E, <br /> Tina M. BauertcIlAiS Vl YtT c 60") <br /> Traject Manager (,j&e SA04,CLS 6^7IJ 1JIJ'>! 04— <br /> t}SC� 'fD cau�� 5dt� 5�i,rrvt74:.c��s <br /> TMB.jw cwK�fc <br /> Cc: Mt.Terry Ta rditi,T&T'frucki ng IJ*I ce') <br /> cosi o� <br /> SSt1 <br /> U i,, ; <br /> �NUS <br /> t BC3A4M11V�i0fIf1��7k1EXHRRLSP4i.rRj1.E�1F'rvinunnxrlatLliylfK�rusrllcndCnn.�lAPrcr� Aru�ylir: F;;Yn+irs (S � �""""-' <br /> 46141 MICRON AanNU , eIMY 600, SA(RAMUSTii,CA 95927-26.77 16 <br />€ (916) 4�4412LI FAX {916195(,_5211 <br /> fv �v,- Sri 1 P-r <br />