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DRILLING LOG Well ID MW-1 Boring ID MW-1 <br /> Client Shell Oil Products Company Location 1071 N Main, Manteca <br /> Project No 24.0-0323 Phase Task11 Surface Elev NA ft, Page 1 of 2 <br /> +-( Blow °CL <br /> ' a Lithologic s Well +� Well <br /> CL� ro rr a co o Construction Construction <br /> Count Description a Graphics a v Details <br /> T 0 C Elev NA <br /> 0 Ground Surface <br /> --- - ---------- <br /> -$an—dy SI (ML), brown, soft, damp, <br /> 10% clay, 70% silt, 20% fine sand, <br /> low plasticity, high estimated <br /> permeability <br /> 100 11 7 <br /> 5 i <br /> 50 5 <br /> brown to dark brown, pyrite flecks 31 0 <br /> 10 <br /> 50 <br /> IL (MH), dark brown to <br /> black, soft, damp, 25% clay, 65% <br /> silt, 10% fine to medium sand with <br /> pyrite flecks, medium plasticity, <br /> moderate estimated permeability <br /> 92 0 <br /> 15 15 <br /> 100 moist <br /> Water encountered @ <br /> dark brown to black to green, wet, 71 0 16 5 ft <br /> 100 fine sand with pyrite flecks Water level @ 17 ft <br /> 20 100 <br /> 20 <br /> Continued Next Page <br /> Driller Gregg Drilling, Inc _ Development Yield NA Bentonite Seal 8 5' to 9 5' <br /> Logged By Paul Waite Well Casing 2" Dia 0 5' to 32' Sand Pack 9.5' to 11' <br /> Drilling Started 3/25/9$ Casing Type Schedule 40 PVC Sand Pack Type #2/16 Monterey San <br /> Drilling Completed 3/25/98 Well Screen 2" Dia 11 5 to 31 5 Static Water Level 1700 ft Depth <br /> Construction Completed 3/26/98 Screen Type Schedule 40 PVC Date 3/26/98 <br /> Development Completed NA Slot Size 00101, Notes Former tank pit, north <br /> Water Bearing Zones Drilling Mud NA west side <br /> Grout Type Portland Type 1/II <br /> WELL 24323 4/28198 <br /> Cambria Environmental Technology, Inc, <br />