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C:;�11.WRNIA.ULI=CRNu :NVL9CNM(:NIAL PFOTbLC' NAGZC'.'' TEMucrt C w <br /> %7E WATER RESOURCES CONTROL SaARD J't <br /> .'R'3CNDEi•lS:N 9UL^!NG f/�� <br /> .3C;IM <br /> CAMFORNLA 2W.24100 <br /> 6) 657-0941 <br /> 6) 657-0953 (F AXn <br /> Ail Regional `Nater Board Chair anicns OE - ? t99S <br /> Al Region! Water Board r ct^srivc ()M=c'.s <br /> All LOP Agtncy Directors <br /> LAWRFNC LJVE-p_M0RE NA TIONA r LA301L471ORY (LI`i.) REFU!C"iON La-l'KING <br /> U1vDLRGROUND STOR.?C-E TANG (US?) CLEANUP <br /> in Octobcr 1995, the SNL presumed io the Smic Warr Rcsoures Control Board (SWRCE) its final <br /> rC-on, RC^on mendations Lo ImDrovthe Cleanyo Yiic= .or Csii;onia's irakin^ Undereroand �ucl <br /> c <br /> T -ks. "lae <br /> !.!-NL t a found Lhat the impacs to ttc azvironm=at from lesirg US7s were net as <br /> severe as we once thought. The ,cion also presents a convincing a.;lrncnr that passive <br /> 6ic-mcdiwicn should be considered as the Primas,.• remcdt_ on tool in -host c s:.s onto the c; <br /> source has E:—n M-ac"d_ <br /> !,hc t s NL „wort hasalso ::cin pres,:=cd io in-_ S3 1764 Advisory Comminr_ whlcii will, <br /> in tum, provide =,ommcnaanoMq m the SWRC13 by rl,c and of laouary 1996. The S =D may <br /> C:Dose to Lmnle:ne^.t reco:arnend: tioas =gym the IJ-NL sport and the SE 1754 Advisory Comminc_ <br /> tilrouail. revisions to SWRCS Rcscludon 9349 in early 1996. <br /> In the intcti= and in itght. Of rhe findings and r commcndariorts in the 1_DN`L trport, WC bclIav: <br /> Cicanun CYCr;t�__.Ilt c2e.^.-'-:es ihnnld oroc_� aaresSiYe17 Eo ciose low risk soil uttly cases. For c_scs <br /> -3 rcC:Int: low.riek _croundv.•srer (for instrncc, s.Ajlo groundwarer with ma m77— um acptah to water less <br /> [nan 50 ie'_t and no urmxirr wa Q- wells sui....r,=d in the shallow grouTidwarct zone within 250 Cc= of <br /> !Ihe leak) we recommend [hat aCZ1 a redia tier 17z tcvlacc with nortitoring to determine if the f__! <br /> Irak plume is stable-. Obviously good judgment is required in all of th= decisions. liowcyer, that <br /> judgment should now include knowledge provided by the I N. L repot" <br /> ik'Ihat I preocse to you isnot in anyway 1 consisacat Frith e%sang policies or e2uIadors: 1 eH-vuT. <br /> it does r nrescnr a major departure rrom how we !lave viewed the thr^....t ucm lcwkiag liSTS. Tf Is <br /> miidancc s consistent with_ the resulis of a'disc:ssiori o:'his_subject artiong the State Beard Chair.and <br /> 1Ce2ional 13oard Chairs on D ersitic 51 I9o,5. . lf'yoti have- any questions on dl .natt_r:We= tail: <br /> Mr. lrs cs Giaartvnoulos, our m-avec^ of the andcresotmd ,-mrage ank program. at (416) "?7 <br /> Sinccrcly,� <br /> Walt i crit _ <br /> r_;.^curive Dircctor - - <br /> AQ Resional Water Board/LOY UST. ?rogr m Nlaraac- <br />