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Boring Number, SB-5 <br /> Job Number 1419 11 HORIZON ENVIRONMENTAL INC <br /> Site Location Beacon #419, Stockton, CAS <br /> Drilling Company Mitchell Drilling Environmental Drilling Method Hollow Stem Auger <br /> Drilled By Scott, Jeff, & Chris Sampling Method Split—Spoon Sampler <br /> Date Drilled 05/08/96 Total Depth 56 5 Feet <br /> Logged By D Higgins Depth To Groundwater <br /> a = <br /> m c m CL <br /> a c c <br /> a� m 0 2 <br /> E > > , <br /> J O C p U O <br /> z v0 mV, a Z Soil 0 2 a Well <br /> o ~ N <br /> Construction <br /> Comments Description vya o 0 N m O V)E ` U) <br /> Q <br /> U) c U a <br /> 0 25 <br /> h 0+ 11 11 40 CLAYEY SILT with some fine–grained sand, ML NSA <br /> 31 m 31 orange brown slight plasticity hard <br /> 32 vi 32- <br /> 33- <br /> 233 33- <br /> 34 34 <br /> 35- 35 <br /> 36 ,r, 36 SILTY SAND fine-- to medium–grained, <br /> LO <br /> 13 <br /> M 277 18 18 37 gray brown, dry, dense SM <br /> 37 01 37 <br /> 38 38- <br /> 39— 39- <br /> 4-0 0 40 <br /> 41 Ln 13 41 CLAYEY SILT, with some fine–grained <br /> M 15 18 18 3 sand orange and gray mottled slight ML <br /> 1 18 plasticity hard <br /> 42 42 <br /> 43 43- <br /> 4-4 44- <br /> 45 45 <br /> 46 I 20 <br /> m 25 18 18 504 46 <br /> v) 29 <br /> 47 to 47 <br /> 48 48- <br /> 49— 49- <br /> 50 a 50 <br /> i' 27 <br /> 51 m 0+ 12 12 52 1 51 <br /> Ln <br /> 52 ai 52 <br /> 53 53- <br /> 54 54-- <br /> 55- 55 <br /> In <br /> 56 13 SILTY SAND gray brown moist dense 51A <br /> m 18 18 18 56 <br /> 57 vi En <br /> 20 57 Total depth = 56 5 feet bgs <br /> 58 58 <br /> 59 59 <br /> 60 160� <br /> Page 2 Of 2 <br />