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i I� I left in place after the electrical wiring and hose have been removed. The above mentioned laterals will be removed from the 24 inch square traffic/junction" box and the box removed, with the void compacted backfilled with road base and resurfaced with asphalt. i Due to well construction or possibility of soil contamination, the following wells will be drilled out.' Vapor wells SG-1, SG-2, SG-3, SG-4 and SG-5. Due to the likelihood of residual soil contamination the following groundwater monitoring wells will be drilled out; MW6A and MW6B. SURFACE RESTORATION. The surface of the wells destroyed in the San Joaquin County right of way(Country Club Blvd (MW9A and MW9B)and Mission Street(Soil Gas Wells SG-3, SG-4, SG-5 and monitor wells MW6A, MW6B,MW7A and MW7B)will be resurface with hot patch asphalt as per San Joaquin County guidelines. Onsite wells MW2,MW3,MW4 and'soil gas wells SG-1, SG-2 will be resurfaced with concrete with color black to match the asphalt surface.. REMEDIATION SYSTEM AND LATERALS I All above ground remediation equipment will be removed for disposal or reuse. The below ground PVC pipe laterals that remain will be backfilled with neat cement and left in place. ENCROACHMENT AND PERMITS Well destruction permits will be obtained from SJCPHS, EHD and this workplan approved prior to destroying any wells.. -Also encroachment agreements and/or permits will be obtained from the property owners that the wells are situated on: . i s EXCAVATED WELL MATERIALS ANDFLUIDS , III I All materials excavated during well destruction will be placed on plastic liner and covered for Iater disposal inside the fenced back lot of the property. A four point composite sample analyzed for TPHg, and BTEX will be obtained to document the soil condition prior to removal for disposal at a Class 11 landfill. All fluids generated by the well destruction procedures will be placed into 55-gallon drums- The drums will be place in the fenced back lot of the property for temporary storage to allow the solids to settle to the bottom of the drums. In two to three days the drums will be inspected and all clear I fluids will be transferred to InStrat for disposal. All solids will be placed with the excavated materials generated during well destruction. NOTIFICATIONS Upon approval of this work plan the necessary permits will be acquired and a 4$-hour notice will be given to all concern parties prior to start of well destruction procedures. I 3 Sanchez site restoration WP 1-2012 i I