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6 <br /> S ECOR <br /> [7Logged:By Date Drilled Drilling Contractor Project Name Method/Equipment well Number <br /> Offsite Monitoring Well Install HSA <br /> 1/18105 Cascade 32112 West Hammer Lane,Stockton,17A LAR MW-12 <br /> Boring Surface Groundwater Depth(ft) Total Drive Drop <br /> Diam(in) Elev(ft) SZ 13 First Water Depth(ft) wt(lbs) Dist(in) <br /> 8 1 11 5 Static Water 300 140 30 <br /> Well <br /> 3 Description g <br /> Construction 2 <br /> VRa ,d <br /> AIR Concrete Surface _—____—___i <br /> ll CLEAR NO RECOVERY <br /> ---------- <br /> --- <br /> TO 5' <br /> ent <br /> 5 <br /> --------------------------------- <br /> #3 Monterey Sandy Silt(ML) Brown(1 OYR 4/3),no plasticity,soft consistency, <br /> Sand Filter low toughness,fine grained sand,sub-angular,damp,no odor, <br /> Pack 10 0-40-60 <br /> 41 Well Graded Sand(SW) Dark Yellowish Brown (1 OYR 4/6), 0 W-1 <br /> 1 50 sub-rounded,medium density,damp,wet at 13',no odor,(0-100-0) @10' <br /> Q <br /> 15 19 <br /> 0 <br /> 0 020" 20 Lean Clay with Sand(CL) Olive Brown (2 5Y 4/3),high plasticity, @15' <br /> Slotted 20 high toughness,firm consistency,fine grained sand, saturated,no odor, <br /> (0-10-90) <br /> Screen <br /> -------------------------------- <br /> Elastic Silt with Sand(ML) Light Olive Brown(2 5Y 5/3), <br /> 2015 low-medium plasticity, firm consistency,medium toughness, fine 0 W-] <br /> 19 grained sand,saturated,no odor,(0-20-80) @25' <br /> 2"Schedule 21 <br /> 40 PVC Pipe <br /> 25 17 0 W-1 <br /> 22 @25' <br /> 21 <br /> End Cap <br /> 30 <br /> 22 Well Graded Sand(SW) Dark Yellowish Brown(1 OYR 416), 0 @30' <br /> 24 sub-rounded medium density, saturated no odor, 0-100-0 <br /> The substrata descriptions above are generalized representations and based upon visual/manual classification of cuttings and/or <br /> samples obtained during drilling Predominant material types shown on the log may contain different materials and the change from <br /> one predominant material type to another could be different than indicated Descriptions on this log apply only at the specific location <br /> at the time of drilling and may not be representative of subsurface conditions at other locations or times <br /> . Project No 77CP 60143 04 0012 Date 2/4/05 Log of Well <br /> OFFSITE MW 11-12 GPJ Figure <br /> LOG OF BOREHOLE <br /> (sheet 1 of 1) <br />