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09/24/01 <br /> Sealed well vault <br /> 0 Locking well cap <br /> Ll i <br /> L Portland cement <br /> W <br /> LL <br /> Hydrated <br /> bentonite <br /> LU —5 5 seal <br /> U <br /> Q <br /> LL <br /> 2'blank <br /> PVC casing 4 <br /> rn <br /> 0 10 <br /> Z <br /> �0 _ Filter Pack <br /> or Natural Sand <br /> 15 <br /> O - 0.010' <br /> J = Slotted <br /> LU 2'PVC <br /> m = casing <br /> H 20 <br /> IL <br /> LU <br /> o <br /> L25 PVC cap <br /> t l,l 1 1 1 1 1 1 1 I,I <br /> I E 3 5 6 <br /> InNpeedim <br /> J <br /> 3 <br /> ri <br /> a <br /> � FIGURE <br /> a <br /> a <br /> © Typical Monitoring <br /> Well Construction <br /> C A M B R I A <br />