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� �� ! <br /> M 'l.tTi <br /> "� <br /> y: <br /> pR0j C7` REGAL 60.7 <br /> OE GE <br /> 2-10-89 <br /> below 100 ppm for TPH (sem appendix W. Ground water S=Ples were <br /> obtained from all of the borings (prior to the construction of the,monitor <br /> wells).cexcept to-oring 6 (M-?)• Thrice of the borings were convcded into <br /> ground tvrstcr rnonibor(Borings4,5 and 6)• AH►e sample results indicate that <br /> the shallow ground water is contaminated with the dissolved constituents of <br /> gasoline lre range gasoline flo floatiile MW-3 has a 0.&8 foot ng the ground water ( pthickness) of <br /> araban colt $ <br /> Depth to$rou►aci'water measurements�n�fow the�gradient (sceund wawr slopes�or I)- <br /> 2.5 <br /> }flows <br /> to the south-southeast with a one P� <br /> 2.5 RECOMMENDAfiON-i <br /> The site is to be subleased to EXXON Inc- and is in the process of bestem ing <br /> updated with a double contained prodstorage-dispensing for the ion of the site. <br /> Wickland Oil. Wickland Oil is responsible <br /> In order to have a cmt effective remediation the following is recommended. <br /> A. Obtain the necessary permits to perform exploratory borings (off <br /> site)is order to delineate the extent of ground water con=ine6on. <br /> B. Convert selected (off site) borings into ground watts monitor <br /> wells. <br /> C. Prior to installing the new underground storage tanks and clean <br /> lace a four inch ' <br /> fill (pea gravel)within the existing excavation,p <br /> sloted"PVC" well at the northeast corner of the n i <br /> ex fluid 600- s 11 <br /> Gan fore utlized later as a vapor monitoring,recovery or Fc= <br /> well. <br /> D. As C.above,place a six inch sloted"PVC" well in the northwest <br /> corner of excavation. This well ca j be later utlized as a monitor'welt <br /> for in well sensors, floats.dc- <br /> E. Construct a reme-diationArea meat and compound <br /> �d at the northwest <br /> corner of the site with a security fence <br /> F. Distribute this report to the following regulatory agencies prior to <br /> February 17, 1989. <br /> state of California -RWQCB Environmental Healon Division <br /> Mr.Brian Newman San Joaquin Local HealthDist- <br /> 3443 Routier Road Mrs.Diane Hinson <br /> Sacramento,CA. 95827-3098 1601 East Hazelton Ave. <br /> P.O. Box 2009 <br /> Stockton.CA. 95201 <br /> 34. <br />