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v v <br /> /GROUND SURFACE VADOSE ZONE <br /> VENT LOCKING WELL MEAD COVEN <br /> • FILL Cap, t GROUTED IN PLACE <br /> NATIVE <br /> BACKFILL <br /> 4-3' Typ. min. nun._ BENTONITE/GROUT SEAL <br /> 2. BENTONITE PELLET SEAL <br /> TANK <br /> BACKFILL 2' Typ, min. <br /> ` UNDERGROUND SAND <br /> BACK- <br /> STORAGE 8-10'TYp• FILL <br /> TANK 2"min. i.d. Perforated PVC <br /> - I Well Casing <br /> ax <br /> max. ' Threaded End Cap or Plug <br /> m ::: <br /> _•' _i <br /> 1 6" BENTONITE SEAL <br /> 7 WATER_ TABLE r <br /> r BENTONITE SLURRY <br /> 2-5'TYp <br /> L <br /> B-10"TYp. <br /> Boring Did. <br /> NOTE ; <br /> VADOSE ZONE WELL Within and <br /> through the Tank Backfill. <br />