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• TZ) t t T CZ l� <br /> ENVIRONMENTAL HEALTH DIVISION <br /> 904 E. Weber Ave.Third Floor <br /> t: O. Box 388, Stockjon CA 95201-0388 <br /> Approved <br /> Denied ❑ <br /> uJ/ Conditions :5Er, �„utt�-w3 br7 c)yl! <br /> ._�_ ► 4"1 by qO-tJ <br /> o t; <br /> sRm t- a a cb mU J�.J5 ��s ,1170mc Advanced - <br /> t to k'AS . <br /> GeoEnvlronmental Inc. =-. �=;: <br /> Z. obl�►N onti s�nr� r-�¢a>t� t� , <br /> 'o►[pMf Flu( 176t�E(Lt (.FT'OWL61�KA2- tON1.( nl,Vr�rtltent Cctliir rr+rrf <br /> 09 July 1997 <br /> 1�M`Z�-`(jam CYtZ6� FUZ /1�b5�M� QE�Mtr"i�SiLi !r AGE-NC Project No.9:-0135 <br /> 17a6t t`/1 Nlt) <br /> 15'10ft * C.6 9-16o N tor,�. <br /> 1Ze--W" VWIZ r-tAID 101&)9 1 tU h-- Mr.Ron Rowe <br /> ` San Joaquin County PIIS-EHD Q <br /> 3. W 5 �bvSz�'ttOt�3 AALG-V P.0.Box 338 <br /> Stockton.CA 95201 <br /> C:WtJ51,1�t"S2. tE►SNSZ►crl'c. G►¢otJ1�-lJt�tK�. ��� �)t�.t, �l�ilwlT <br /> t'I.d✓iKC1� I�f�PiLPrlflhlS. (Zt�/I�/ �Qlla(A)10►na�? !l= <br /> Subject: Results of Site Investigation <br /> I�►�JT11>?i1Gy1L D T74 � �� A DEN'S AuTo REPAIR <br /> � j}I W ML+E W Rte D&SY"TE 308 South EI Dorado Strect,Stockton,California <br /> kQk b`gT1t't�`/a;U m5Sea bef:)AA5 LA 19 UMOA-D TWL. <br /> 1 f nwL41\) AV Dear Mr.Rowe: <br /> M.5 5�7�� AL,A,`) SITE }I p(tp�t�t✓OCiy In accordance with a request from \Ir. Den Ueda of Den's Auto Repair. Advanced <br /> r0 Ar�R _ C t17� GeoEnvironmental.Inc.(AGE)proposes the installation of three ground water monitoring wells <br /> under procedures in the approved work plan fin the site at 303 South Irl Dorado Street in Stockton, <br /> 11,40 AJ -3 -rD C4rY691&T5 California. <br /> LJ C.0 LD,,,bTW 1(#U(biFT?qLs), The results of the limited subsurface urve�,ti_ation of 23 Jure 1997, indicated that hydrocarbon <br /> impacted ground water%gas present at the site.Ground water beneath the former UST location,,vas <br /> ? � �)� tfa.r}�j lnJ impacted with total peirnleu:n hydrocari:ons yt:antified as gasoline.benzene,toluene.ethylbenzene <br /> and xylene(BTEC\)..\dair,a::ally the.eater samples contained ntcd:yl tertiary butyl ether(MTBE). <br /> (LE�MKnk7�5 The investigation also indicted that impacted suil was limited to a depth of 35 feet and the lateral <br /> area surrounding the former UST tank cxcavation. <br /> t<� ct? nb r N A �G�6 <br /> Q QdP6$l�- Three wells will be installed at the site nn determine the lateral extent of the gasoline,BTE&:C and <br /> RJR,e L'Oue PV0V\X & MTBE plume in the up gradient and down gradient directions.The attached site plan indicates the <br /> � , .7�(/Ibi proposed locations of the three wells. Also attached is the draft results of the preliminary site <br /> AJ I <br /> V investigation. <br /> 1 <br /> The borings will be advanced to a depth of approximately 45 feet. The well design will utilizing 25 <br /> feet of perforated screen and 20 feet of blank tt\u-inch blank casing,to allow for an adequate water <br /> 6, W � 'QQ 11✓� dtJ interface over the course the site investigation. Fach new monitoring well will be developed <br /> utilizing a submersible dump until water is essentially sediment free.Quarter sampling will then be <br /> V16W5 scheduled x ith your of:ice. initial findin_x from the June subsurface investigation and the well <br /> installation results .gill be presented in a Prclintirary Investigation and Evaluation Report(PIER). <br /> C.0 { 5 r�vt'16 1 V(t,� i <br /> U I� d F 119 511 <br /> 1803 West March Lane.Sone A.Stockton.California 95207 <br /> Telephone(209)956-0264 FAX(209)956-0700 <br /> {�JIDIn/C� uA�ItiE� N iY 7�' <br /> (;al, 10iftfl 5AIWNa <br /> V. W>;�1,5 QQA�6�v�D AC?,�. �vl��''I �• �Mh��� 'fNtL Y►'ttS`ati I 'fMr►'t�� �tPc:1 E1� <br /> uw�i�IwG� 1,11 tat (tkh�'� To pa,��h�j. 1rvP.tnW� <br /> a I1carLInv low <br /> (Ulu 4 vkRk'm6IAS).-116 A)S 1D60 <br /> 5ITt V05frtt -ry M�'�>✓t�- ��u "L Cali- �� IN ��► <br /> CPO bm(4, �- 5t tlfi G�� v�linlL �PDI�N� I� �IYQ/1L, <br />