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DRILLING LOG Wel! ID MW-1 Boring ID MW-1 Client! Shell Oil Products Company Location 341 East Main Street, Ripon, California Project No: 240-0324 Phase Taskll 1 Surface Elev. ft, Page 1 of 2 Q Lithologic E -C �, Well D Well il: E a s C Construction v Construction t Description F ° Graphics o Details T.O.C. Elev. NA 0 round Surface0 ---------------- Concrete. Grave! 0 0 0 SAND; (SP); brown; very loose; damp; 10% silt, 80% fine to medium sand, 10% gravel with pyrite flecks-, no plasticity; high estimated permeability. 100 5 5 67 SILT; (ML); brown; firm; dry to damp; <11.0 10% clay, 80% silt, 10% fine sand 100 with pyrite flecks; no plasticity;low estimated permeability. Silty SAND: (SM); brown; damp; 20% silt, 80% fine to medium sand with 67 pyrite flecks; no plasticity; high estimated permeability. 10 67 10 100 67 San SILT (ML);grey to brown; firm; dry to damp; 10%clay, 70% silt, 20% fine sand with pyrite flecks; 67 no plasticity; low estimated 15 permeability. 15 100 Silty SAND; (SM);grey to brown; very loose; damp; 20% silt, 8096 medium sand with pyrite flecks; no plasticity, high estimated 100 ermeability. Sandy SILT; (ML); grey to brown; firm; dry to damp; 10%clay, 70% silt, 20% fine sand with pyrite flecks; 100 no plasticity, low estimated ermeability. 20 20 Continued Next Pacie Driller Gregg Drilling _ Development Yield NA Bentonite Seal 10.5' to 11.5' Logged By Paul Waite Well Casing 2" Dia. 0' to 13.5' Sand Pack 11.5' to 34' Drilling Started 3/23/98 Casing Type Schedule 40 PVC Sand Pack Type #2/12 Monterey San Drilling Completed 3/23/98 Well Screen 2" Dia.13.5' to 33.5' Static Water Level 25.50 ft Depth Construction Completed 3/24/yti Screen Type Siotted 'cnedule 4U ryt. Date sl L.3I�i3 Development Completed NA Slot Size 0.010" Notes: South side of lot. Water Bearing Zones NA Drilling Mud NA Grout Type Portland Type 1/11 WELL 24324 4/28/98 Cambria Environmental Technology, Inc.