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i we <br /> i { <br /> PHASE I HYDROGEOLOGIC INVFSTTGATION WORK PLAN <br /> 4491 West Derham Ferry Road,Tracy,Califomia <br /> Dela Project No.40-91-732 <br /> Page 7 <br /> 1 . <br /> SA Mlscellaneous Checks of Accura <br /> Where trace analysis is involved,purity of the solvents,reagents,and gases employed is of great concern. <br /> The laboratory maintains a service contract on all major instrumentation; gas chromatograph, atomic <br /> absorption,ion chromatography,and total organic carbon analyzers are all serviced and maintained regularly. <br /> i <br /> t <br /> 6.0 SCHEDULE <br /> i <br /> " Drilling of four soil borings,installation of two monitoring wells,soil sampling,monitoring well development <br /> -� and ground water sampling,and the monitoring well survey will be conducted within 2 weeks of ap:imval <br /> # of this work plan,pending well and encroachment permit approval, right-of-eniry agreement,and utility <br /> x, clearance. The report will be submitted approximately 2 to 3 weeks after receipt of laboratory test mulls <br /> 7.0 REMARKSSIGNATURES <br /> The recommendations contained in this report represent our professional opinions,and are based in part, <br /> r.. on information supplied by the client. These opinions are based on currently available inl'c emation and are <br /> { j arrived at in accordance with currently accepted hydrogeologic and engineering practices at this time and <br /> lavation. Other than this,no warranty is implied or intended. <br /> W, <br /> } DMXA.3t'.4VIROYMENTAL CONSULTANTS,INC. <br /> PREPARED BY: <br /> � I <br /> — Date <br /> I O'DriehJ <br /> Hydrogeologist <br /> The work performed in this report was done under the <br /> as supervision of a California Professional Geologist: <br /> C <br /> mrd ,C�AED Q O <br /> Brownell -- — -- <br /> - - Registered Geologist#5078 <br /> oaata <br /> ,. rof <br /> No.5075 <br /> J FOr CAt.f <br /> y . <br />