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s <br /> OPTION III PROVIDE AN ALTERNATE SOURCE OF POTABLE <br /> - DOMESTIC WATER <br /> ent AeroPure Water source for <br /> p � othe potable aaff,ec� <br /> As an alternative to the currd <br /> recommends the use of a wellhead treatment systemr a <br /> domestic wells. Properly designed and installed <br /> wellhead itsatment deliverysystems <br /> to he <br /> can - remediate the MTBE from the groun p <br /> property plumbing system. This option fiedotinuJull 2000 tbecauseproblem the <br /> with the domestic wells was originally iden <br /> temporary tanks were more readily available, <br /> less expensive than a wellhead <br /> a in a <br /> days versus <br /> treatment system, and could be up and running <br /> allowed foraecessr.to f the impacted <br /> months. Using the temporary tanks also <br /> wells for purpose of collecting a video-log cement-bond log <br /> and a . <br /> systes On the <br /> There exists two widely-used methods of wellhead <br /> ff off-the-shelf treatment <br /> components mond both <br /> market. Both are basically comprised of <br /> require very little operation and maintenance Procedures. <br /> f centtrationsbelow 100 P�11 o ds <br /> which treats MTBE-impacted water at co <br /> granulated activated carbon (GAC). This method could be used at the <br /> majority of the affected properties due to the low concentrations identified <br /> in their wells. Groundwater removed from <br /> minimum of two GAC canisters plumbed in seri�es well <br /> lnl stored in pumped he existingthrough <br /> holding tank where it can be used by the residents. A system would be <br /> designed specifically for each property taking into consideration the well's <br /> flow rate, the concentration of MTBE in the groundwater, and the number of <br /> residents at the property. ASE has already installed this type of system at <br /> ies, and it appears to be working as designed. <br /> one of the affected propert <br /> method of wellhead treatment systems, which treats MTBE- <br /> The second <br /> impacted water at concentrations above la movged from theng well d snpulmped <br /> stripper with a GAC polish. Groundwater <br /> i through the air-stripper (blowing the hydrocarbons from the water <br /> then stored i n <br /> molecules) followed by twwhereCitacantebe used rs plumbed <br /> by the sresidents. A system <br /> + the existing holding tank <br /> would be designed specifically for each property taking into consideration <br /> � groundwater, and the <br /> the well's flow rate, the concentration of MTBE in the b <br /> number of residents at the property. ASE has already prepared a quotation <br /> to install such a system at one of the affected properties; we are nahtave <br /> USTCF pre-approval of the costs. Once both systems are installed and <br /> _ had a chance to operate for a period of time, ASE will evaluate t1�e <br /> performance of each system and determine the feasibility of installing <br /> additional systems at the remaining residences. <br /> -5 - <br />