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o5/26l200 la 46 =-=7-1 -__1i= =:.R,_ Est <br /> LL WESTER' �_sb���� �L-����. sr�Er <br /> �'.. GEC -E1GINE.ERS - �c��{� D c3 - <br /> _ `U) 568-5_--6 Q <br /> C AL3 CG.`� 1 133 - A% ;,6^_ <br /> 1 RLCIS7c:E: _�_` _T c _ <br /> Mfr Michael J lrifar,.a Jr Fecitiian 9 2000 <br /> San Joaquin Count) £HD <br /> LOP,Site R11tiLyatlon Unit IV <br /> 304 East Weber :fix e , Third Fleor <br /> Stockton CA 95201-0388 <br /> Dear ti1r Infurna <br /> Please find enclosed one cop, of '%A"-s-ern Geo-Eng.neei's "October-Dere-Icer 1999 <br /> Quarterly Giounditiaier Monitoring Report for Sanchez Prepero. 1876 Cot.rtry C'ab <br /> Blvd , Stockton, CA' dated Februar) 4, 2000 <br /> Tlhe recommendations of this 1nost resent quarterly giotuhdvlater ir-oinitor1rl;y repent <br /> include <br /> The installation of one off-site monitor tell NNest of M%t'1 to define the downaradlert <br /> extent of the gr•ourrdvtater conlaininat�on ITie <br /> O Conducting a pump test at the existing ,non -or �N ells to deter i ine the :ecsioilin of <br /> dewatering during the possible oNeie-,,caiation of the f'ormei UST area and;or <br /> dev,atelin- in conjunction v,ith ti apor e%tractlor. <br /> o Conducting an airparging \apor emiacuor, pilo- test Lsing air suarging in ccnjL1,-c-,o. <br /> ith the installation of horizontal N ap or ex-zaction piping within a cackf.led ,rerc <br /> that tray er ses the former UST area <br /> We have recently received pre-appro%al of costs from the UST Cleanup Fund 1,1 :tile <br /> amount of $26_ 799 85 to implement these -ecommendations and use the resulTm.0 <br /> lnfoririation to prepare a Conean e Action?]a- for the site <br /> Please ret me knoxN soon if -,our off-1c ]' req_irc a %%orl�clu: :tc 3~sj_'cv.'c_ 1_g <br /> any of all of these pioposals <br /> Thank you for your help, / <br /> DaN id elfall <br /> Western Geo-Engineers <br /> . cc Mi and Mrs Manuel Sanchez C/o 0 <br />