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f • CAMBRIA Work Tasks Permit An appropriate permit for well destruction will be obtained from EHD Site Safety Plan Cambria will prepare a Site Safety Plan for field work Utility Clearance: Cambria will mark proposed work location and clear it through Underground Service Alert prior to commencing work Well Destruction The well to be destroyed is a six-inch diameter steel cased water supply well The well was properly abandoned in the past by welding a steel plate over the top of the well casing The steel plate has already been removed and replaced with a PVC slip cap Gregg Drilling and Testing, Inc (Gregg), of Martinez, California will be the drilling contractor performing the well destruction activities A Cambria geologist will supervise the destruction activities The steel casing will be perforated, by Gregg, utilizing a casing ripper tool Cement grout will be placed in the well from the bottom up The perforations in the casing will allow the cement grout to penetrate the soils surrounding the well casing The well casing will be cut off three feet below grade The well casing will be topped off with cement and the cement will be allowed to flow over the top of the casing creating a mushroom cement cap at the well head The remaining hole will be backfilled with native soil up to the ground surface Any water generated from the well during well destruction activities will be contained and stored onsite in drums or other suitable container pending proper disposal Report Preparation Following completion of well destruction activities, Cambria will prepare a report which documents the well destruction and submit it to EHD The scope of work described in this work plan will be performed under the supervision of a registered geologist or engineer Schedule Cambria is prepared to begin work upon written approval of this work plan by EHD and receipt of an appropriate drilling permit We have scheduled this work for February 12 and 13, 2003 0813 2