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5, ""� .� w F i�'° �' ••�'J�r: .- •' +. a Y Ma" <br /> Mr, <br /> 1386 E. REAMER STREET <br /> RotjT-WEGE- LAND. M 2 i95, 177 <br /> W(IOpL FAR'(916) 662.0273 <br /> WESTERN GEO-ENGINEERS (916) 662-4541 <br /> CALIF. CQEEITORATION <br /> RGISTREDGEOLOGSS <br /> Fnvi.ronM&1-1ta1 <br /> cfal lHc-althD's-tract <br /> l <br /> San <br /> San Joaq- <br /> `inLo <br /> lF,01 East Hazel tc,n Ave. <br /> P.O. 1ery; 20u`J 3`_i:i>1 <br /> St..cl:t-'--n, Cal 1 f. <br /> RE: Wnr1' P1<<n tc� delineate 9aavation of underground <br /> aoline-range by <br /> drocarbon <br /> contamination discovered clur�ng the excundation '21 25 <br /> 64nd <br /> contatanks at the former Regal Servi <br /> ce Sr California• <br /> Pacific Avenue and Do'-lc-"as Avenue, Stockton, <br /> Dear Mrs,. Bins-nn: <br /> John Mar gowsl..3of Regal-A Wickland Oil Company, Y,a5 contracted <br /> I ruceed with the necessary work Aland f r <br /> Western Geo-Engineers to P <br /> r_ntaminati,--n was di5c•_�vered during the excaveate and <br /> assessment of the above-mentioned site (see figures , <br /> Hydrocarbon the site. We propose to delexpl a the <br /> removal at tan1 � at <br /> l-,ratr�ry <br /> vertical and lateral extent of the contamination pr with e•�p <br /> resent a%;cavatian. <br /> borings situated north, east and so1-tth of the p Pr' <br /> ,_,f <br /> 1'XXON, INC. has p,-trcY,ased the mite Regal was in thand piping. <br /> upgrading the site with new d, ,-sble-c=,ntained tanks <br /> _,at the ' rem.-,val and e-4cavan3Octa and <br /> er <br /> Tr__,wn and CauntrY`caerf firmed the required sr_�il sampling <br /> Applied Ge, System, p _n discovery <br /> 1'388 ;:See Fig'.tre 3) , Constr action was baited oma <br /> �� + e sail contamination in the backfill mate immediate <br /> _f gasrlxnc - yP <br /> in tYe s •iI s,trrounding the tanl.. area (See Table 1? . <br /> site a5selssnrrst and review are need&d to expedite the remediation <br /> and upgrade of the site. <br /> EXPL❑RATORy LiORING AND SAMPLING PROCEDURES <br /> timal means Of site asssment will <br /> Western Ge,_�-Engineers conducted a site vises <br /> it n N„vemes 15, 1'38 . <br /> b�_rinps along the perimeter of tyle <br /> We have determined that the op <br /> be to perform expl.-�rat_�rY <br /> e�a;cavation. The borings will be performed, f'LatY'frC.«,rtY',t. i2xitting <br /> r-•ximately 1 analysi`, on w,•il <br /> 5o,_ttI- -•f the excavation. aCertiiied laboratory <br /> margins (See 1±xq,tre 3A: rtion of the e�..cavati•_n indicate <br /> sampjes tal.:en <br /> .:rs. wE=stare p=. e r,_iltamis)ati=�n. <br /> clean of Uasrline-tip <br /> that this area i- t -.f t1 _ e•:cav ,c�_,,. <br /> Theref•.•re, n, borings are anticipated wF•s <br /> 1 <br />