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FIELD DATA BORING LOG MW-4 (cont.) <br /> t DATE December 11, 1998 <br /> LOGGED BY- J Pfeiffer <br /> p WATER LEVEL Encountered at 79 Feet bgs Rose <br /> �- E to approx 72 feet after 10 minutes <br /> J a p ELEVATION: — <br /> o <br /> z U _ EQUIPMENT BSK &Associates, CME 75 <br /> z U a 8" Hollow Stem Auger <br /> IL o LU <br /> Q W �_ o <br /> U ~ a M USCS DESCRIPTION <br />' 60 <br /> 5-60 5-MW4 10 53 0 32 SILT Brown with trace rust mottling, trace clay, trace fine to medium sand, <br /> moist, no petroleum odor <br /> 65 S-65 5-MW4 11 08 0 36 Same but slight increase in fine sand <br /> 70 S-70 5-MW4 11 19 4 44 SILT Brown with trace gray and black mottling, trace clay, low plasticity, <br /> little fine sand, moist, no petroleum odor <br /> ML <br /> 75 S-75 5-MW4 12 00 19 42 Same but very moist <br />' 80 S-80 5-MW4 12 08 44 39 Sandy SILT Brown, trace clay, low plasticity, some fine sand, wet, slight <br /> petroleum odor <br /> 85 S-85 5-MW4 13 29 1 25 Same but no petroleum odor <br /> 50 for <br /> 90 S-90-MW4 13 36 0 9" Same as above <br />' Boring terminated at 90 feet bgs, converted to monitoring well MW-4 <br />' 15634 Stelnegul Road <br /> Escalon, Califorriia <br /> BSKEngineers, Geologists, BSK No 07-4-00178 <br /> Environmental Scientists <br /> 1 <br />