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Gettler—Ryan, Inc. Log of Boring U-16 <br /> PROJECT Former Unocal Service Statlon No 0187 LOCATION 437 East Miner Avenue, Stockton, CA <br /> w <br /> m <br /> * r o cn <br /> o. LL W w v < GEOLOGIC DESCRIPTION WELL DIAGRAM <br /> r� 04 a a J <br /> o a a ir o <br /> a C._ m U) (n G cn <br /> SP <br /> 13 P <br /> CL SILTY CLAY (CL) - brown (7 5YR 5/6), moist hard. <br /> CL 70% clay, 30% silt, abundant white mineralization, black <br /> organic matter <br /> 0 45 U-16-46 5 <br /> 4$ <br /> CL <br /> 0 >100 U-16-51 5 Color changes to light brown (7 5YR 6/4), becomesgo a <br /> wet a' c <br /> ML SANDY SILT (ML) - dark gray (5YR 4/I) wet, hard ti <br /> 554 60% silt, 40% sand, trace of clay, light gray h <br /> mineralization hydrocarbon odor <br /> c <br /> ro <br /> _ a <br /> 0 >100 U-16-58 5 <br /> 060- 4 <br /> 0 >100 U-18-8t Becomes 90% silt, 10% fine sand, slight hydrocarbon <br /> odor <br /> 66 0 66 U-I6-66 5 Color changes to very dark gray (5YR 3/1) mottled o, - <br /> with light gray, 70% silt, 30% very fine sand, micas, d� = b <br /> ML hydrocarbon odor _ __ _ _ _ _ o <br /> CLAYEY SILT (ML) - very dark gray (5YR 3/1), wet, o — m <br /> hard 70% silt, 30% clay, trace of fine sand, o = m <br /> hydrocarbon odor = o <br /> 0 >I00 U-18-715 SP SAND WITH SILT (SP) - very dark gray (5YR 311), N _ <br /> 72 wet, very dense 90% fine to medium sand, 10% silt, <br /> hydrocarbon odor I = <br /> 0 >100 -18-76 25 CL SILTY CLAY (CL) - very dark gray (5YR 311), wet, <br /> hard, 70% clay, 30% silt, trace of fine sand. <br /> hydrocarbon odor <br /> 7$ Bottom of boring at 76 25 feet bgs <br /> (* - Converted to equivalent standard penetration <br /> blows/foot ? <br /> 84 <br /> 90 <br /> JOB NUMBER 240042 08 Page 2 of 2 <br />