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tI e <br /> J ' 4 <br /> The property is supplied by city water; according uo the San �� Il, ? r <br /> Joaquin County Flood Control District map , (Plate V, ) tnere are <br /> no private or domestic wells within 1.12 mile of the site. <br /> Available records reveal that most wells are completed below <br /> feet due to the lack of sufficient aquifers auow e that death. r y <br /> vy` <br /> PRIOR USAGE OF UST <br /> The jo,000 gallon UST sad been installed sometime prior to i9E34 <br /> for the purpose of fueling Canteen Corp. delivery trucks and <br /> company vehicles. According to company personel , it had only <br /> contained unleaded gasoline. Records of fusel purcnase and <br /> vol "aces used are riot available. The pump island hao been w ocateo <br /> can the southeast side of the tanP , .dust at the edge of the <br /> e, isti ng carport roof . <br /> SUMMARY OF PRIOR WORK <br /> On March 31 , 1992, the UST was removed b1 Capital Tank Services. <br /> Soil samples were taken at the north and south ends of the tans . <br /> and one from the middle, all at depths of prom 12 to 14 feet. <br /> Minor contamination was removed from tt-e location of the pump <br /> • island , but a sail sampla_ was not taken i rom that ar-ea.. <br /> Sail ;ampler taken from the site of the removed r_a-,k ansa she we-�t <br /> en€a of th12 spoil stores on location were teGted *or- FS E ' , TFH-G, <br /> EDb, and total lean. Labor-atory results revealed that -che three <br /> �- , samples from the excavation and the one f ron-i the west eno of <br /> the spoil pile were below detection limits- However , the sample <br /> +r-om the east end of the spoil pile revealed significant levels <br /> of Toluene , Ethylbenzene, Xylene, and TFIA-G. Table Y aumni�t -z �4� <br /> thrice laboratory test results. <br /> t,£t r sort _�arrapiing wa,s comp -eted , the remo',ec> spoil wav ret��rns=❑ <br /> to trte exca,,at 3 o€a and covered with clean ill ! . The site was Lnen <br /> a�,al �cf wi to asphalt to allow full L'se o-f the urea. <br /> Because the contaminated spoil was returned to the hole instead <br /> Qf being rernedi ated or removed from the site , the County EHD <br /> would not approve site closure. <br /> of, September 29, 19+ 2, dim Thorpe Oil prepared a work plan to <br /> ree�.cavate and resampl e the site under the ss_tpes' vi si os, of a <br /> r-egist erect pro-Fessional : refer to Exhibit 8 - or 1 c opk az trlaL <br /> workpla�i. <br /> Prinr to beginning the work , Jim Thorpe Oil personei obtained :woo <br /> _a€nnies of i_he spoil vrhich hao returraecf to tr~e hole b r remov- rnq <br /> • <br /> J <br />