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t I�1 1LTH SERVIC,�SPUBLIC H� ,�. <br /> Ya <br /> k.N joAQUE4 COUL ►TY « <br /> EvVIRO1v`tii +-TAL. HE.-k ri 0 rVISTOIN f - <br /> r�l <br /> Karen Furst, Health Officer <br /> 30� East Weber �venxze, T iird Floor * Stockton, CA 95202 <br /> 209/4-68-3-:00 <br /> Agus l'__ [999 <br /> EDW D C AN TON. C.-=' <br /> DIVISION OF CLi.Asv w,�TER PROGR.",MS <br /> R ESO0RCLS CONTROL 30ARD <br /> P 0 BOX 94;1212 <br /> SACR-\,MEy_CO CA W444-2120 <br /> ILWOCAL F DEN-U\L <br /> RE: PL"ZTION OF( G�4DERGRO LrDSTORGE T `iK S OCLOS`R3 O� <br /> PE ROLA_ <br /> 1503 P ACIFTC P Va4LE� STOC:{TON. CA <br /> San Joaquin County ?ubac Health Services. Envircrunental E-1-e2lth Division (PI-ISr'E:RD) leas <br /> reviewed, your correscondence dated July "�, 1999. �garciiug he above ,:.te:encs site Our <br /> coalmen are as follow: <br /> • PHSr EIS does :ot agree that there would be ao water quality benent wined by urdzer <br /> invesL2a.tion anc de=- 'rioa or rhe contaminant iurne ar his site_ ,Imp tests and ocher <br /> studies peribmied during site investigations in our area gene-311v support he conclusion chat <br /> :he roundwater acuirers are Rvd�ulicaily connec.ed.. i tris is itlrt`ller supponea oy he mc: <br /> :hat Z ounawater direction of Clow at =ost sites i .owards he nearest waxer aroducdaa wells <br /> and changes occ:ir when ?roduc on well =Jsagge is modiae^ <br /> • P:-ISrT�� does aoc agree that rhe site information ;adeemed .o dace :supnors the canc:urian <br /> that biode '"on gas reducsd the levers of avdmcarbon conramiuntion. yamrai attenuation <br /> throuab disne:sotvdiiution caused by ;he inc;e:sed amount of: water nee wirer. as saow-n <br /> by the change :n :enol to groundwater over he we--xs. has :-educed rhe i �•els of hy�oc=rbon <br /> contamination. H-oweven he aYisting down gament monitoring wells do not =:ctend .o he <br /> de:,rh where rhe aigaest ?oundwater conraminaric canezzivaaons lave been aoc=eziT_ed on <br /> sire. i ne site information does sunporz he ac: d= valor w;trac-don may be effe--aveiv used <br /> to reduce the aydrocarbon contamination at chis sir-e- <br /> • <br /> ite• PHSiEh-D is aware taat saline intrusion 'aas contifomed m water quality problems in the <br /> Stocicon gree However, goundwater continues to be he orincival source of drinking, <br /> indusLL-=a1. and agr±c:iltuuai water in San Joaquin County. Even hough sunace water morn to <br /> Stoc'.cton Easi mater Disaic: :s used :o suttavlement municipal water suzolies in rhe CIcy of <br /> Stoc:con durnQ periods of availabilim. water prurvevors within the City of Stoc-i'a.,on <br /> orimarily rely on a-oundwater, wets to meet overall water suu iv demands. :aere ore lie <br /> orotecb.on of --oundwarer in he area of his site `or future beneficial uses Mould not tie <br /> discounted. <br /> • P c.i S/1 D has .e:uesed and continues ro ,ewes that LN OCAL sedne the dxLent a r une <br /> cont:minarion and 1e-corm a 'easioiiief SZLI ;o .'.vvinare .at !e^.s: :wo viable remedial <br /> aice:raiiVes :or tis rate, so that a Correcdve a.caoa Plan tCa..P) may be oreoared. Cue to tue <br /> k;ivision �eairth C.re <br />