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. Gettler-Ryan, Inc. Log of Boring MW-18 <br /> PROJECT Former Unocal Service Station No 2859 LOCATION 1665 Pacific Avenue, StocAtont Cal tornia <br /> GR PROJECT NO 240072 04 CASING ELEVATION <br /> DATE STARTED 05/22/01 WL (ft bgs) DATE TIME <br /> DATE FINISHED 05/22/01 WL (ft bgs) 1979 DATE 05/23/01 TIME 1315 <br /> DRILLING METHOD 8 in Hollow Stem Auger TOTAL DEPTH 90 75 feet <br /> DRILLING COMPANY Cascade Drilling, Inc GEOLOGIST David Herzog <br /> LU <br /> * m <br /> X l'- o cn <br /> CL w w y -j GEOLOGIC DESCRIPTION WELL DIAGRAM <br /> I-M. U a 3C ate, aa.. 4 <br /> C1- <br /> CL�' o a a o <br /> o— 4 m u) in cD cn <br /> ML Asphalt - 4 inches thick <br /> SILT (ML) - dark yellowish brown (10YR 4/4), moist <br /> 90% silt, 10% fine sand, few iron oxide nodules <br /> 5 <br /> 0 MW-18-6 <br /> 10 <br /> 0 31 MW-18-11 Becomes very stiff abundant fine micas, abundant iron <br /> oxide nodules, few calcium carbonate nodules (<2 <br /> mm) <br /> 15 `' <br /> 0 28 MW-18-16 Color changes to olive brown (2 5Y 4/3) o <br /> r � <br /> v w <br /> a � <br /> C <br /> qj <br /> v <br /> c � <br /> 20- <br /> a 29 MW-18-21 <br /> I <br /> 25 0 40 MW-18-26 Becomes hard, abundant scattered indurated zones <br /> no calcium carbonate nodules <br /> SP-SM POORLY GRADED SAND WITH SILT (SP-SM) - dark <br /> yellowish brown (10YR 414) saturated, dense 90% <br /> fine sand, 10% silt, abundant iron oxide staining, trace <br /> 30 of calcium carbonate nodules (<t mm), trace of micas <br /> 0 38 MW-18-31 <br /> ML SILT (ML) - olive brown (2 5Y 4/3), saturated, hard <br /> 90% silt, 10% fine sand, abundant scattered indurated <br /> zones, few iron oxide nodules <br /> 35 <br /> JOB NUMBER 240072 04 Page 1 of 3 <br />