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IF PIIASE I HYDROGEOLOGIC MVES [GA770N WORE:PIAN <br /> 4491 West Durhar?Ferry Road,Tracy,Califomia <br /> Delta Project No,40-91-732 <br /> we Page 7 - <br /> i <br /> 5.4 Miscellaneous Checks of Accuracy <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 /> w <br /> absorption,ion chromatography,and total organic carbon analyzers are ali serviced and maintained regularly. <br /> r 6.0 SCHEDULE <br /> i. <br /> Drilling of four soil borings,installation of two monitoring wells,soil sampling,monitoring weG,development <br /> and ground water sampling,and the monitoring well survey will be conducted within 2 weeks of approval <br /> of this work plan,pending well and encroachment permit approval, right-of-entry agreement,and utility <br /> „., c.earanm The report will be submitted approximately 2 to 3 weeks after receipt of laboratory test results. <br /> w.. 7.0-RF.MAIiKS1SIGNATiTRE3 . <br /> The recommendations contained in this report represent our professional opinions,and are based in part, <br /> ' on information supplied by the client. These opinions are based on currently available information and are <br /> arrived at in accxrdance with currently accepted hydrogeologic and engineering practices at this time and <br /> location. Other than this,no warranty is implied or intended. <br /> DELTA ENVIRONMENTAL CONSULT.INTS,INC. <br /> - PREPARED BY: <br /> _CJI-O��L, l•� Datc <br /> Michael I O'Brie <br /> Hydrogeologist <br /> The work performed in this report was done under the <br /> supervision of a California Professional Geologist: <br /> - es R.Brownell -- — - 5� 0 - - --- -- ---- — --- ---- - <br /> lifornia Registered Geologist #5078 �S'� gR0,0 <br /> /bf <br /> k No.5078 <br /> LP <br /> �9p NSP <br /> F O%CAI-1F O� <br /> .. ,. 1 <br /> cs y. <br />