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LOCATION MAP BORING NO U-131 <br /> PACIFIC ENVIRONMENTAL GROUP, INC. <br /> 11 th Street PAGE 1 OF 1 <br /> N PROJECT NO 310-097 1A CLIENT UNOCAL <br /> • ILOGGED BY MOTO DATE DRILLED 5-19-95 <br /> DRILLER MDE LOCATION 1034 Central Ave , Tracy <br /> a' U-B1 DRILLING METHOD HSA HOLE DIAMETER 8" <br /> SAMPLING METHOD CAL MOD HOLE DEPTH 20 5,' <br /> c CASING TYPE NIA WELL DIAMETER NIA <br /> U SLOT SIZE N/A WELL DEPTH NIA <br /> GRAVEL PACK N/A CASING STICKUP N/A <br /> z a <br /> WELL °C z a U- U d <br /> LLJ <br /> COMPLETION �_ 3 w LU pa a LITHOLOGY / REMARKS <br /> O O 0 z w 8 Lu IL Cc O <br /> 20 LL CL D � � R U <br /> ASPHALT- BASEROCK <br /> 1 <br /> 2 CL CLAY dark olive brown, low - moderate plasticity, <br /> 90%clay, 10%fine sand, trace 1 5 mm roots, stiff, <br /> 3 no product odor <br /> 4 <br /> Backfilled 5 <br /> with <br /> Grout Mst 0 10 6 <br /> SW SAND - GRAVELLY very dark gray, trace fines, <br /> 40% fine sand,40% medium to coarse sand, <br /> 15%fine rounded gravel, medium dense, <br /> 8 no product odor <br /> 9- <br /> 10 <br /> �6= � Eft-LSA <br /> Wt 280 12 <br /> 11 <br /> 12 @10' dark greenish gray, medium dense, moderate <br /> product odor <br /> 13- <br /> 14 <br /> 15 CL CLAY greenish gray, low plasticity, 90% clay, <br /> Wt 196 9 16 10% fine sand, stiff, moderate product odor <br /> @16' light yellowish brown, stiff,faint product odor <br /> 17—f <br /> Avg <br /> 18- <br /> 19 @19' trace iron oxide staining,trace 1 5mm brown <br /> 201A fiberous root, very stiff, no product odor <br /> Wt 0 24 BOTTOM OF BORING 20 5' <br /> 21 <br /> 22 <br />