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ATTACHMENT 2: MODIFIED BIOVENTING WELL NOTES: <br /> ALDEN PARK MITIGATION: PHASE I <br /> 1. NEW EQUIPMENT. <br /> GROUND <br /> COMPRESSED AIR TO PUMP (NOTE 1) <br /> VAULT <br /> OILY WATER TO TREATMENT (NOTE 1) <br /> / <br /> VENT GAS TO <br /> DEPTH —� VACUUM PUMP <br /> 3'-3• <br /> STRONGER HELL SEAL <br /> (NOTE Il <br /> 4'-8" <br /> GRAVEL PACK <br /> eO p <br /> AIR FLOW °' AIR FLOW <br /> THROUGH SOIL eQ °O 2" HELL CASING THROUGH SOIL <br /> dd i� <br /> O e� HATER <br /> 8'-8' a0 e0 TABLE <br /> a0 °O <br /> e — <br /> a <br /> n <br /> °p ° UBMERGED PUMP <br /> ° (NOTE 1) <br /> aQ. od. <br /> a.. e. <br /> oQ. oQ. <br /> e. <br /> e Oa O'a Oe O" <br /> 4-2G-83 <br /> OHM/5402 <br />