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I I FIELD DATA BORING LOG MW-4 DATE: December 11, 1998 LOGGED BY J Pfeiffer p WATER LEVEL Encountered at 79 feet bgs Rose P: E ir- to approx 72 feet after 10 minutes W W a o ELEVATION: — o EQUIPMENT BSK &Associates, CME 75 z v w 8" Hollow Stem Auger a. W u- a w 0 a a Cn m uscs DESCRIPTION 0 Asphalt 4 5" over baserock 3" Clayey SILT Red-brown, little clay, moderate plasticity, little fine to medium sand, moist, no petroleum odor ML Sandy SILT Orange-brown, trace clay, low plasticity, some fine sand, slight cementation, moist, no odor 5 S-6-MW4 OS 02 0 29 SILT Gray-brown with rust mottling, trace fine sand, slight cementation, moist, no petroleum odor SM Silty SAND Yellow-brown, some silt, fine sand, moist, no petroleum odor 10 ML Sand S-�1-MW4 0s 07 0 21 y SILT Brown with rust color around fine root holes, some fine sand, trace medium sand, moist, no petroleum odor - - -� - - - - - -?- - - - - - - -? - -- - - - - - a - - - - - - - a- - _ - _ 15 -- 5 No sample 08 33 0 31 Silty SAND Yellow-brown with trace orange mottling, some silt, fine sand, P tY g g trace medium sand, moist, no petroleum odor 20 S-20 5-MW4 08 43 0 50 for SM Silty SAND Red-brown, some silt, fine to coarse sub-rounded sand, trace 5" fine gravel to 114"diameter, well graded, dense, moist, no petroleum odor 25 S-25 5-MW4 09 16 0 15 Same as above but fine to medium sand and decreased silt Gradational - - - - - _ - - - - - - - - - - - - - - - - - - - - - - - - -- - _ Sp SAND Yellow-brown with Mile black mottling, trace silt, fine to medium 30 sand, dense, moist, no petroleum odor Continued 15634 Steinegul Road Escalon, California BSK Engineers, Geologists, BSK No 07-4-00178 Environmental Scientists