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IL Jt�YJh�J G .....•..y i, .. .. - t6nMiaj'1P .nt <br /> A D,v—of OJ Rectrves y Sys,rms.Inc <br /> 5047 CLAWTON ROAD•CONCORD,CA 9452f•(4 IS)671.7a1 <br /> May 15, 1986 <br /> Dave Lewis <br /> v * 7-Eleven Stores <br /> p.O. Box 104 <br /> Pleasanton, Ca. 94566-0040 <br /> Re: 7-Eleven Store, 9110 Thornton Road, Stockton, California <br /> Dear Dave, - .� __ •_:,_ _. +rljilr� :: <br /> This letter report presents the preliminary results of our <br /> leak investigation at the 7-Eleven Stare in Stockton, California. <br /> Groundwater Technology was contracted to evaluate the site after <br /> a reviewof inventory records indicated a 3,000 to 5,000 gallon <br /> _._ ' <br /> "16 <br /> loss o pleaded product and inte ity.,test of tt lead . <br /> produc d vapor line system in aa'1ea3c:trThe purpose a <br /> our in tigation was to determin eRdeg„ f .subsurface <br /> hydro^_a„ bon contamination and if acaAt propose a r:?te - . <br /> 3+' <br /> assessment and groundwater clean <br /> On May 5, 1986 the product lines between the pump island and <br /> tank pit were exposed and visual inspection of the lines in this <br /> _ <br /> area did not reveal a point source o: leakacc although sianifican <br /> corrasion was noted. An area of contaminates soil was detected <br /> under the cement pad of tie pump island suggesting a lire leak <br /> had occurred under t;1e pad. <br /> ysJ:c'L,i,m R J <br /> fi <br /> Robert Juncal <br /> TECK\o�,octi <br /> f�ni RIS kll,slt yn.l'ik M, - .. -.. - <br />