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AW- 5 <br /> I <br /> CONCRETE APRON AIR FLOW REGULATOR/_ ,TRAFFIC RATED WELL COVER <br /> SURFACE GRADE <br /> I <br />' Schedule 40, 2—Inch Diameter Wall Caning <br /> I <br /> Grout Seal (Portland Cement) <br /> I <br /> 15 Foot to 25 5 Feet <br /> PVC Blank Well Caning <br /> from 1 Foot to So Feet <br /> Transition Seal (Bentonite Chips) <br /> 25 5 Feet to 28 Feet <br /> is <br /> (Sohoduie 40) 0020—Inch Motted PVC 8oreaa :~ �� Filter Pack 02/12 Monterey Sand} <br /> Iso Feat, to 38 haat r 28 Feet to 35 Feet <br /> k m <br />' 8—Inch Boring Diameter <br />' Not To Scale <br /> All Measurements Depicted As Feet Below Surface Grade <br />' IN-SITU AIR SPARGING WELL DESIGN AW-5 AdvaDced <br /> SIERRA LUMBER GeoEnvironmental, Inc. <br />' <br /> 375 WEST HAZELT O N AVENUE PROD= NO AGE-98--0448 FILE AW-0PIGvio <br /> STOCKTON, CALIFORNIA DATE 12 AUGUST 2004 DRAW By MAC 5 <br />