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1 <br /> FIELD DATA BORING LOG MW-4 (cont.) <br /> DATE December 11, 1998 <br /> LOGGED BY J Pfeiffer <br /> p WATER LEVEL Encountered at 79 Feet bgs <br /> �= E Rose to approx_72 feet after 10 minutes <br /> w � p ELEVATION. <br /> o z '� EQUIPMENT BSK&Associates, CME 75 <br /> Z U Q a 8" Hollow Stem Auger <br /> W LL a 0 <br /> LU <br /> Q p O <br /> 30 U) ir- a m USCS DESCRIPTION <br /> S-30 5-MW4 09 24 0 50 for SAND Yellow-brown with little black mottling, trace silt, fine to medium <br /> 5" Sp sand, dense, moist, no petroleum odor <br /> 35 <br /> S-35 5-MW4 09 45 0 58 SM Silty SAND Red-brown, little silt, fine to coarse subrounded sand, trace <br /> fine gravel, moist, no petroleum odor <br />' - - -? - - - - - - - - - - - - - - - - - - - - - � _ - <br /> - - - a- - - - - <br /> ML <br /> 40 S-40 5-MW4 09 57 0 24 <br /> SAND Light gray, trace silt, fine to medium sand, moist, no petroleum <br /> odor <br /> 5P <br /> 45 S-45 5-MW4 10 07 0 50 for Same as above <br /> 5" <br /> SILT Light brown with little olive-gray mottling, trace fine to medium sand, <br /> ML <br /> - moist, no petroleum odor � <br /> 50 <br /> S-50 5-MW4 10 41 0 38 Gradational - - - - - - - - - - - - - - - <br /> Silty SAND Light brown, some silt,fine to medium sand, moist, no <br /> SM petroleum odor <br /> Gradational <br />' 55 S-55 5-MW4 10 48 0 46 SP SAND Light brown to yellow-brown, fine to coarse sub-angular to sub- <br /> rounded sand, well graded, moist, no petroleum odor <br />' ML SILT Brawn with trace rust mottling, trace clay, trace fine to medium sand, <br /> 60 moist, no petroleum odor <br /> I <br /> Continued <br /> ir_ <br />' 15634 Steinegul Road <br /> Escalon, California <br /> BS <br /> KEnvironrnental <br /> Engineers, Geologists, BSK No 07-4-00178 <br /> Scientists <br />