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PROJECT: SOUT ARCEL <br /> Stockton, California Log of Well MW-10 <br /> Boring location: See Site Plan, Figure 2 PAGE 1 OF 1 <br /> Date started: 10/3/96 Date finished: 10/3/96 NOTES: Logged by P. Cusack <br /> Drilling method: 8-inch O.D. hollow-stem auger <br /> Hammer weight: 140 lbs. Drop: 30 inches <br /> Sampler: California modified split spoon WELL CONSTRUCTION <br /> SAMPLES <br /> m m o s DETAILS <br /> ° MATERIAL DESCRIPTION <br /> o <br /> y H J Traffic-rated <br /> Christy box <br /> SM SILTY SAND with GRAVEL(SM) <br /> light brown,loose,dry <br /> 2 <br /> 3 SILTY SAND (SM) 2-inch PVC <br /> gray to dark gray mottled, fine to medium casing <br /> 4 dense, moist, hydrocarbon odor <br /> 18/ 1/5 109 9 <br /> 5 18 <br /> 6 <br /> 7 — perched groundwater encountered at 7 Cement <br /> 8 SM feet grout <br /> 9 18/ 2/10 297 4 <br /> 10 18 <br /> 11 silty clay intervals,saturated,strong <br /> 12 hydrocarbon odor <br /> Bentonite <br /> 13 <br /> pellets <br /> 14 18/ 3/15 319 5 SILTY CLAY (CL) <br /> ig dark gray mottled, dense,wet,strong <br /> 15 hydrocarbon odor <br /> Sand <br /> 617CL16- <br /> 17- <br /> CL <br /> 18 moist, not saturated <br /> 19- <br /> 18/ 4/20 326 4 Perforated <br /> 20 11 interval 0.01- <br /> 21 inch slots <br /> 22 CLAYEY SILT(ML) <br /> 23 dark gray, homogeneous,dense,very moist, <br /> strong hydrocarbon odor <br /> 24 18/ 5/25 328 9 <br /> 25 78 ML <br /> groundwater encountered (during drilling) <br /> 26 <br /> 27 SAND with SILT(SM) <br /> dark gray to black,fine to medium <br /> 26 dense,wet, strong hydrocarbon odor <br /> 29 SM <br /> 18/ 6/30 237 14 Boring terminated at a depth of 30 feet. <br /> 30 18 1 1 Well installed at illustrated. <br /> TVeaftell&Rdlo Project No.2003.02 L Figure 4c <br />