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FE-B-18-99 THU 09:56 AM P. 15 <br /> FEB. -11' 99(THU) 15:20 UNOCAL 'woo'T NORTH R£ TEL;510 94,,,E781 P. 014 <br /> DR AFT <br /> would entail a stzbstantial disruption of street, businesses. sewers and other utilities while <br /> producing little or no benefit to curren or anticipated beneficial uses of the min mal area <br /> of groundwater not westing Basan Plan obje raivtes, <br /> Furthermore, if complete removal of detertable tracers of pevoleum constituents <br /> be mes the standard for UST cosac'tive actions, the statewide technical and ecmmude <br /> implications will be enormou& For example, disposal of soils from comparable areas of <br /> excavaaion throughout the state would greatly impact already limited landfill,space. In <br /> light of the minimal if any benefit to be gained,the rAd=ce of cottiimiag ammmadon of <br /> resWmW petmic um conoet-atwus,and the precedent*at would be set by requirieg <br /> additional excavation at this site,attaining badkgretmd water quafiq in this Ibuited A=.is <br /> not fcast'ble. VvWle it is impossible to determine the precise level of water quality that will <br /> be attained given the residual petroleum coot ze=that rartain at the site, =E&of all <br /> the factors diwALssed above, a level of water gLa&y will be attained that is consist vAtb <br /> the benefit to the people of the Stare. <br /> The final step in determining whetber cleamip to a level of watts-quality less <br /> stnn=W than badammmd is appmopriate for this sit mqumn a detaminatiou that the <br /> alternatives Level of waxer quality will tax result in water cluality�lass than that prescribed is <br /> the relevant Basin Plan. P+urstiaut to SWRCB Resobition No. 9249,a site may be closed <br /> if the Basin Plan raquire@ents will be met witbun a reasonable time frame. <br /> ` in approving an altersove level of water any I=stxiuVw than badVaund, the SWR®has also <br /> intsdesad the fel=5 C=ZdnW to ChliforNa COOL OfItesdadoa5,title 23,S1Ctio2550.4,StbdfvjSlelrt <br /> (d). As desk a mom,the adverse P40—an dmDa er Smandwaar va be adnieasl god I*CWix4 and <br /> there will be esu adverse effect ca the groundwater contained in deeper ael+sder.,,sive n the pltysiml and <br /> chemic?d wCseriStim orpehniwrn es nstimeraw.the hydrogwWgiad charactaisd=of tlftr skc mW <br /> smyouaftg laeatt:and the quapt9 of the groamdwater and direction a the groandwma flow. ht addittort, <br /> the p aamdal for adverse an beaestw aces of gtamdvrater is low.in light of the praximiw of <br /> WoundwMe r supply vid1s; rhe&tears am popeotttal!'Clara rasa of Brea SdWaier is Me area:the e:xsiieg <br /> qtadixy of gruandwater,the pmenbal for heatih tics messed by human expdsttter:the potentW damp to <br /> wildlife,aam vgtaaoq and physical sttunwri,ad tttC pexsask=and petntatt we of paeceAdal <br /> effects. <br /> Funny,a kvd of water duality less stringent sheat bwagraand is awikeiy to leave my iatp=on <br /> =Ma water cluaii[y, in light of the volum and pta sisal and cbemieal charasxcristics of petrokurn <br /> s WxxIuU K ft hedmSe Wcoal dsanotcristics of the site and sarrvq"ng Lind:the quantity aad-,Wnlity <br /> Of gron�tcr and the alrecuon of groundwater now, the patterns of prcapotauort in elft a *O%and the <br /> R t7 of residual pamle m to Sorfe=vratem <br /> iI <br />