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Gettler—Ryan. Inc. Log of Boring MW-13 <br /> PROJECT Tosco (Former BP) Service Station No 11192 LOCATION 1403 Country Club Boulevard, Stockton, CA <br /> GR PROJECT NO 14024508 CASING ELEVATION <br /> DATE STARTED 12/08/02 WL (ft bgs) 150 DATE 12/06/02 TIME 0810 <br /> DATE FINISHED 12/06/02 WL (ft bgs) 1427 DATE 01/03/03 TIME 1633 <br /> DRILLING METHOD 8 in Hollow Stem Auger TOTAL DEPTH 30 5 feet <br /> DRILLING COMPANY Cascade Oridrng GEOLOGIST Jeremy Smith <br /> w <br /> in <br /> r z of <br /> CL L w w GEOLOGIC DESCRIPTION WELL DIAGRAM <br /> _^ SL (i7 J J S C] <br /> CL <br /> a <br /> W c o <br /> a C m m cn co co <br /> Asphalt and base rock <br /> CL CLAY (CL) - dark brown (tOYR 3/1), moist, stiff, <br /> moderately plastic 100% clay �, v <br /> 0 <br /> a m <br /> O U <br /> V � <br /> SANDY CLAY (CL) - light brown POYR 5/4), slightly a <br /> 5 moist, hard non-plastic, 60% clay, 40% sand v o <br /> CLAY (CL) - brown (2 5Y 5/3), slightly moist, hard, <br /> 0 >100 MW-13-6 5 moderately plastic, 80% clay, 10% sand, 10% gravelLl <br /> -- <br /> ro -- -- <br /> 10 0 >100 MW-13-10 5 ML SANDY SILT (ML) - brown (7 5YR 4/3), slightly moist, <br /> hard, 70% silt, 30% fine sand <br /> Color changes to brown (2 5Y 4/3) — <br /> 1� 0 >100 SP POORLY GRADED SAND (SP) -- brown (2 5Y 4/3), wet, <br /> SW very dense, 100% fine sand c <br /> WELL-GRADED SAND (SW) - brown (2 5Y 4/3), wet, o = <br /> very dense, 100% fine to coarse sand o <br /> a <br /> U — � <br /> Q — Cb <br /> Q <br /> 20 _ >lOO - <br /> 4 � <br /> h _ <br /> CL CLAY (CL) - brown (5Y 5/2), moist hard non-plastic _ <br /> i 90% clay, 10% sand <br /> QEN <br /> 25 3 9 >100 <br /> a <br /> m <br /> e <br /> a <br /> 30 OF I Color changes to brown (2 5Y 4/4), becomes very <br /> 17 >100 moist, plastic <br /> Bottom of boring at 30 5 feet bgs <br /> (* = converted to equivalent standard penetration <br /> blows/foot) <br /> 35 <br /> JOB NUMBER 140245 08 Page 1 0f 1 <br />