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_ I <br /> —0ct=15-97 04:49P she--1-1 0i P.01 <br /> CAMBMA <br /> 7 tr; <br /> 16 Aid 8: l}5 <br /> October 15, 1997 <br /> Mr. Ron Rowe <br /> Environntental Health DiVision <br /> San Joaquin County Public Health Services <br /> 304 East Weiser Avenue, Floor <br /> Stockton,California 95201-0388 <br /> Re: Investigation%york Plant Addendum <br /> Shell Service Station <br /> 341 Main Street .�i <br /> Ripon,Califbrnia" <br /> WIC#204--6562-0804 <br /> Carttbria Project 4,,240-0342 <br /> Dear Mr.Rowe; <br /> As requested in your September 25, 9997 facsimile, Cambria Environmental Technology, Inc, <br /> (Carnbria)is submitting this wort-pilar addendum for a subsurface investigation at the site referenced <br /> above on behalf of Shell Clip Products Company- Our objective is to define the extent of hydrocarbons <br /> in soil and ground water beneath the site: The site background and standard well installation and soil <br /> sampling protocols were included Cambria's work plan submitted July 11, 1497. Our revised proposed <br /> scope of work for this investigation is described*below. <br /> PROPOSE®SCOPE OF WORK <br /> Eased on the data from the tank and product lime removal,at least one ground water monitoring well <br /> li <br /> located in the immediate vicinity of the dispenser where TPHg was detected will be installed to define <br /> CAl1I6Nl�t the vertical extent of hyJ�arbons in soil and deterrab�ie whether hydrocarbons have impacted ground - <br /> water. If hydrocarbmns are`detected in soil or ground water during the installation of the first baring, <br /> E01110N ME N IAL s4 <br /> two additional wells will'be installed during the same mobilization. The San Joaquin County <br /> a. <br /> Tlx imm.my,INC. Department of Public Health Services(SJCPHS)will be notified at least 48 hours prior to field work. <br /> 11446..9ci Sn:rr All Work will be allowed to be witnessed by SJCPHS staff. <br /> Ss lrF A The specific tasks to be p6iformed include: <br /> OAKLAVD, i <br /> Utility LocWion: Cwnbria1*11 notify Underground Service Alert of our drilling activities to identify <br /> tA ' utilities in the site vicinity.' <br /> rll:(stmuat-Irnl� ;I. <br /> rat:610J MN170 <br /> ,I <br />