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Ms. Victoria McCartney <br /> ARCO 5450 Well Destruction Work Plan <br /> August 4, 2006 <br /> Page 2 <br /> Well Destruction - The destruction of the wells will be supervised by the BP execution <br /> contractor. A licensed drilling company will complete the well destruction work following the <br /> California Well Standards bulletin 74-90 Part lll, Section 19 and 23. <br /> The wells will be pressure grouted from total depth to approximately ground surface using <br /> neat cement. After pressure grouting the upper five feet of the well casing will be <br /> overdrilled. The drilling contractor will remove each traffic rated well box. The former well <br /> will be capped with appropriate materials to match existing grade. <br /> REPORTING <br /> A letter summarizing the well destruction and soil disposal activities will be prepared and <br /> submitted to the RWQCB and San Joaquin County Environmental Health Department <br /> (SJEHD). The letter will include copies of the well destruction permits. Submittal of the <br /> report will complete the final requirements of RWQCB to obtain a "No Further Action" <br /> designation for the site. <br /> SCHEDULE <br /> Permits for destruction of the wells will be submitted to SJEHD under separate cover. The <br /> fieldwork can be started after permit approval by SJEHD. The well destruction summary <br /> report will be completed 30 days after completion of the field work. <br /> I:IBP-ARCOI04 BP Valley Portfolio154501Work Plan15450 well destruction WP.doc <br />