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WESTERN 1 386 1 A51 131 AM) R S I W I I
<br /> GEO-ENGINEERS WOODI AND CA 95776-6001
<br /> c Al 11 CONI RAC I OR 11513'i57 (530) 668-5300
<br /> 121 c,151 t RI !)c�! t]I Oc,Eti I ti I AX(510)662-0271
<br /> �ug�[u`onc�tlt�1 unn
<br /> Mr Larry Williams Deccillbcl 27, 1909
<br /> SC11101 L11V1i011111elltal Control Of lit,ci
<br /> City of StOLII t011
<br /> Dcpt of Munlc,lpal Utilities
<br /> 2500 Navy Drive
<br /> Stockton, C A 95206
<br /> (209) 944-8722
<br /> Ria WaSlexVatel Dischaigc Petmit UPDAITC 1150 fol Wlc,kland I'loperllc5 Site 8603, locatcd i(
<br /> 6425 Pac,lfic, AVCI1UC, Stockton, Calilointa
<br /> Deal MI �1�IIha[115
<br /> ]lis iettel IS the Update Status Repol( #50 L01ILclning (he above. W IStcwatc.r (li1,LIlalge pc-llllit
<br /> SPILL 1)RI VI.N'I ION PLAN
<br /> AS IcgUll(-d by tllc Wa%tewatel Disdlalgc, Permit fol (Ills SItC, a SI)III I)ICVClltloll plait has bcLil
<br /> pl epal cd
<br /> I Ile wast( till e1111 is tl Bated gl ountlwatCJ L011dCnSatC pi odULCcI It 0111 the v,11101 C\tI ac,tI011 of 1110111tor
<br /> wells MWI MW2, MW3, and MWIO, Mid file pUtged watct plodULcd dUltllg the qualtelly ground
<br /> water Sa111pl111g Of all the WLII', assoc,lated Willi this Site
<br /> Lawrence f ani. resting,s (I, n ) vac,uunl punll) Set VILL wcd lieu vacuum pump (o hull the watci
<br /> frons MWti .incl MW12, thlotlgh dt,dIL,1lc,d one, lndi Sc,h 40 PVC pipe.,, Into a IOU gallon St.unic%s
<br /> steel tank
<br /> 1111% Wate.1 lti UICII tlallSfCIICCI to the "COI1VaUlt" lot t1LdtillCllt by "(a11k aciation", with the Vapoi
<br /> dcSttuetlon aec..onlpllshcd uSing air sU 1pping Ll I has Stopped (August 1993) pulging Monitor
<br /> wells MWI MW2, MW3 and M W I O 1 he vapol LXtl action SyStcM 11-IS bCCII ten1lx11 al I ly tut lied
<br /> ()If IWaII1J1g the San loaqulll Cou111y Ilealth declSlun lot no lul(Ilc,l action at 11W, 51te (:0I1dLIl%dte.
<br /> VY-M,1 IMOdULLA 110111 d1C Va1)01 CKuac,t1011 Sy,,tc-111 IS I)1dLCc1 IlltO the ` COI1VaUIt" 101 Vaelllllll
<br /> Strlppnlg tica(mcllt
<br /> I Ile "ConVanit" tank is a double contamcd Steel tank shioudcd III e011LIC1C I Ill; tleatI11Cnt Of the
<br /> gloundwalLI oec,tus In batc,llcs Alter ticalmcnt the walcl is thLIl c1tu11ped Itolll tic. ttc.allllcllt tank,
<br /> via the ec.li(irftlgal pump, (1110ugh a totalrvei water meter 1 tic watci IS then paSSed through a
<br /> L11,1111KI L011ta1n111g an LLL MCLet iclay callbiatcd to Shut off the SyStcnl if Va1)()1S 110111 the ellluell(
<br /> ever icac h the 10% LLL level "I he c.lcarl ticatcd water is discharged to the thICC-HIL11 ycwcl c,lcarl
<br /> 1 IZ-603 W WN50 12/27/99
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