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08/18/2603 14:28 20983251 WRIGHT ENVIRONMEN1 PAGE 63/03 <br /> Page 3 of 3 <br /> 0006 the system is in oparatiors the£allowing constituents should be monitored on a <br /> bimonthly basis' injected owns/air flow-rates;injesxion well pressure;monitoring well <br /> Pte;ground water meaRwanms-A aoA&xdv",dissolved omen, and ozoac. <br /> Ferrous iron ifpfewt in conmtratic=over 25 milligrams per liter cm precipitate and <br /> Owse plugging afthe spam point and aquifer materials. 'Therefore we recommend <br /> aealyremg growW WSW samples for kft at the next quarterly monitoriqg gv m, <br /> We will analyze ops ing data and eseimMe the 02me mone of irdue e,and <br /> effectiveness of ozone in reducing dissolved grouaci water conte, If tbo first tw 3 <br /> quarters of operation indicate that ownre injection is feasible,we will develop addition4 <br /> recomtt►endanom:for larger-scale implementation if appropriate.A report of the tindinga <br /> of the pilot operation will W prepared for submittal to PHS EHD, The report wM <br /> dts3cxibc and iutwpret system operatlug rasttlts and ground water analytical data. <br /> If you have Zltiv questions,please call the unden4ned. <br /> Sincerely, <br /> Wrkht Eavireameatal Semi"$,Inc. <br /> V/Yp--1 � 4-0�% <br /> John Lynch R. NUgbool Qadir,PE(Enpro SohmoM Ittc) <br /> President CH 4757 <br /> Aitachmeaa:Figum I and 2 <br /> des <br /> Wri& Enviroaettental Serviom June 24, 2003 (Wright 2003a) Project No. 4233-3 tc <br /> Trust of Mary Gardella 525 2n0 Street, Sams Crttr,Calif Tnla 95060,Attm: Ms. Winifnec <br /> Alexander Re. Monkoritj$ Well Inallatian, Sampling and Assess , Addendum tz <br /> WorlVan Dated April 25,2003, Stews Owiine 1419 Cir Way, stcteluon, CA, 5 <br /> P - <br /> Wright Environmental Servioes,July 28,2003 (Wri&2003b)Project No. 4233-3 to <br /> Trust afl4 UY Crsardella 525 TO Street,Sants Cruz,California 95o6o,Amt.: Ms. Winifred <br /> Alexander Ra, Quarterly Ground water Monitoring Rep^Former Stefims Gasolime <br /> Station 1419 Twat Charter Way Std4lOM Califorais,S pages with attachments. <br /> GfW In Situ ice.,Environrporat l npott datod March 8,2002,most of Cone <br /> Penetrometer Test Date, Stefams On 1419 East Charter Wary Stooluan,Cttlifom* 5 <br /> pages whit attachmextts_ <br /> Ramage Eavironme ntal report dated April 25,2003,Ground Water Mouboring Report <br /> First Quarter 2003,Fortner Stofanos Gasoline Station 1419 East Charts;Wavy Stodmmp <br /> California,8 paw with attachments. <br />