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** ZO'30Cd �y101 ** <br /> California Regional Water Quality Control Boar <br /> Central Valley Region <br /> Steven T.Outler,Chair Gray D•b <br /> Wiastoa FL tridaax <br /> SecnragJar Sacramento Main Other <br /> EnvL•„wienm! hrtan•r Addy §!. >'apllwuw.sw*ch.ca.@ov/rwgcCS <br /> Prorarria. 3aa3 P=rier Rad.Suite A.Su =tu,Caitfamia 95827-3003 <br /> Phare(9 16)255-3000-FAX(716)255-3015 <br /> 7 May 2001 <br /> Mr. Mark Adams <br /> Lincoln Canter Environmenrnl Remediation Trust O U 26 5 tt2/y� <br /> Point Enviromnental F Z10 <br /> 137 Park Place <br /> PROPOSED Phi SE 1177NTERJMREMEDL4L ACTIONDETATLED PLAN,d.INCOZN 6th L4[a <br /> CENTER STOCKTON, SAN JOAQUIN COUNTY <br /> We have reviewed the 2 April 2001 Proposed Phase7lllnterim Remedial Action DetailedPlrrrt, n <br /> Center, Stockron, California (Phase III M-ADP)submitted by LFR Lcvine Fricke(LYR):fortJ I iit;oht <br /> Center Environmental Remediation Trust(Lincoln Trust). The Phase III IRADP proposes the Ua 10.x14 <br /> • A B-Zone aquifer pumping test <br /> • Groundwater modeling to assess the appropriate layout of the expanded groundwater extraction welt <br /> network <br /> • Detailed design of the groundwater extraction system <br /> We hereby approve the work outlined in the Phase III IRADP. According to the schedule in the Phase lit <br /> IRADP,the groundwater extraction test will be conducted during June 2001. The groundwatermodeling <br /> results and detailed design of the groundwater extraction system should be submitted doting August 2001. <br /> According to the Phase III IRADP,the groundwater extraction system should be installed by AuramA 2014. <br /> Please notify to if this schedule changes. <br /> 1 am leaving the Regional Board and willnc locger be the project msnager for thus site. -yJ <br /> you when a new pmject manager is assigned. If you have any questiom tega'6tigTki°s Inter,you <br /> contact my supervisor,Ms.Wendy Cohen, at(916)255-3075. <br /> JO PO, OAs iat aeologi <br /> cc: Mr. Jim Tjosvold, Department of Toxic Substances Control, Sacramento <br /> Mr.Mute Infurria, San Joaquin County Environmental Health, Stockton <br /> Mr. Morris Allan, City of Stockton, Stockton <br /> Mr.Phil Johnson,Vice President, Sims Grupe Management,Stockton <br /> Mr. Brett Hunter, Chevron Products Co., San Ramun <br /> Mr. Donald T. Bradshaw, LFR Levine Fricke,Emeryville <br /> Ms. Anne Farr,Ph.D.,Farr Associates,Granite Bay <br /> Mr. Donald Moore,AIG Environmental, San Francisco <br /> CaHfornia.Environmental Protection Agency <br /> Recye2ed Paper <br /> MAY as '01 22:33 =—•— — ' '-a Q <br /> 5162371783 PAGE.02 <br /> 2O/CO'd 99£098L9TST 01 906t, 2S9 OTS 371DIbd 3NIn3-1 6.d7 bd TT :OT TO, Lo Nnf <br />