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ME <br /> PM "IT91 <br /> Problem Assessment Report December 5, 1989 <br /> USA Petroleum Station No. 65, Lodi, California AGS 87050.3 <br /> same lateral limits as the TPH map; however,.Rhp.highes4,,benzcne concentration is rt,.l�tQ <br /> CONCLUSIONS <br /> ! <br /> Based on the chemical results of field and laboratory we .corirlude;::tlitt <br /> 1 <br /> _._. <br /> y v_ earbotri�ntartiliTataari nF groundatec;diaes.exist beyonri the ptaperty:baund�riNs <br /> The lateral extent of TPH extends slightly south of well NNW-G and west of 1h1W-5. iese'"t <br /> 1 E,t1�t8�:,Ori(��c�t@��.�ie�ground^water.,cortta�ittnatioii�eK�ends�naer ttc'prnpt�rty"'til'"ihe:Sotith ' <br /> a <br /> lzmai.nsteal=owne *ley t1W,%Voodridge Irrigatian.District-and offsite. <br /> e <br /> 1 The City.of Lodi well approximately 1,500 feet downgradient from the site is perforated <br /> from 200 to 400 feet below the ground surface. We,Geolagic- rC o"s'Secfions`sfiW oiti' <br /> aontirmoms-and-no et)ntenuous-rfay-iayem-acrciss-tb"ite.-This study indicates ground- <br /> water is first encountered at approximately 42 below grade and the Logs of Borings show <br /> ltrwera-temiinated•iit nquita td: Based on the presence of sill and clay <br /> in the soli below 42 feet, it is our opinion that gr uttd L(61—Vi thLiy_p aq tier s i <br /> II <br /> L ,irig`'dieper i qqt�ets: <br /> i <br /> 37 <br /> i <br /> �= Apailed GeoSystems <br />