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u.Jr i.�r tuck 1-. uu LCJ740[5.74.3.3 hlr IH I-L-UL" PAGE 62 <br /> ENVIRONMENTAL HEALTH DEPARTMENT <br /> FA -SAN-JOAQ-U1N COUNTY-- ----- <br /> - , -- Donna If.Horan,R.EMS <br /> Director 304 East Weber Avenue, TWrd Floor Carl Boig=n,R E H S <br /> Al Olsen,RX 19.8 Stockton, California 95202-2708 MlkO Rug.,g=,R.F H S R,D l <br /> c`d .p Program Manager Douglas W Wilson.RE H S <br /> ti'd Laurie A Catalla,PL E H.S Telephone (209) 468-3420 Matgw=Lagono,R>c H S <br /> Program Manager Fax (209) 4o4-0138 Robcwt McClellon,R E11 S <br /> Mark Barccilos,R E H S <br /> PAUL SiJPPLE <br /> ATLANTIC RICHF28LD COMPANY <br /> P O BOX 6549 <br /> MORAGA CA 95470 <br /> RE ARCO Station#4932 Sitc Codc #1136 <br /> 16 E.Hardmg Way <br /> Stockton CA 95204 <br /> WORK PLAN Addendum to Work Flan ffor AddtitorW Site Assessment and Feasibility Testing dated Jan 15,2002- <br /> D-&-ZM- March 11,2002 <br /> REP BY S£COR Intcmadonal Incorporated <br /> TMP"O <br /> SIIMIF}UMF- � n <br /> ADEOUAV.AND NFCP_SSAXX FT:FMF7y"15 OF 7FM WORKpU N[H&S 2579937,subd(c)(3)] <br /> Approved changer,to dxc ongmal work plan are as fallows <br /> 1 A total of two,instead of three,shallow groundumter monitotxng wcUs will be inssalled ofEsim in the down- <br /> gradtenr direction. <br /> 2 A total of two,instead of one,groundwater extracuou wells will be uxstaKed The origmal work,plan <br /> proposed one extraction well on site 'Ibe addendum adds another cmacuon weed offu Also,the <br /> constructton of rbcs,,wells has been changed from 4-mch diameter PVC screens to 6-mch diameter wire <br /> gypped screens <br /> 3 The project schedules have been modified to fit the deadlines set by S]C/EHD m their 02/14/02 later <br /> CDI+r bw� =AI`ID_CONDITIONS <br /> Onsite well msca mons have been scheduled for March 14-15.2W4 SJC/EHD well pernut# 0029071 has ljeca issued <br /> OEC waIl installations will take place its soon as City of Stockton revocable axed encroachment pw=ts are obtain& <br /> Intcnm wmcdmuon treasures of groundwater extraction by puxrTwg arc tea begun the week of�4rch is,2002,and wffi <br /> be expanded io include the offsite gmundwater c=actton well once it is installed The extracnon events are expected to <br /> take place every two wccks <br /> 3 13 6 `Z 13Y <br /> 0 LgnJlyrj& ear T <br /> cc ]dirty Hattzcll,CVRWQCB <br /> Cleat Hamas,SECOR-lay fax <br />