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' Addendum to Corrective Action Plan Page 6 <br /> Former Manna Pro Site <br /> Pro,ect No 2013 <br /> August 12,2002 <br /> Casing 2" Schedule 40 PVC <br />' Screen 0 010 Slotted Schedule 40 PVC <br /> Screened Interval 50-55 feet below ground surface (bgs) <br /> Filter Pack 48-55 feet bgs <br />' Filter Pack Material #3 Monterey sand <br /> Bentonite Transition Seal 45-48 feet bgs <br /> Annular Seal 0-45 feet bgs <br /> 3.3 Well Development <br />' The new wells will not be used for routine groundwater sampling, and may not be <br /> developed if the screened interval is not obstructed by solids If well development is <br />' needed, after the well sealing materials have set for at least 48 hours using mechanical <br /> surging and pumping, or bailing methods until a clear stream of water is generated This <br /> will be done to facilitate better air flow through the well filter pack material All <br />' development water will be containerized in 55 gallon DOT approved containers and <br /> stored on site until its disposal can be arranged <br /> lie 3.4 Waste Disposal <br /> All waste generated during the well installation and development will be containerized in <br />' DOT approved containers to await proper disposal <br /> I <br /> I <br /> 2937 Veneman Ave ,#B240 Geo-Phase Environmental Inc Phone(209)569-0293 <br /> Modesto, CA 95356 Fax(209) 569-0295 <br />