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N MAP <br />11th Street <br />i 1PA,6=FIC ENVIRONMEt <br />N PROJECT NO. 310-097.1 B <br />LOGGED BY: M.K. <br />DRILLER: Woodward <br />DRILLING METHOD: HSA <br />SAMPLING METHOD: MC <br />CASING TYPE: PVC <br />SLOT SIZE: 0.02" <br />WELL PACK: 2X12 SAND <br />L _GROUP,"C. WELL NO. U-4 <br />JPAGE I OF 1 <br />CLIENT: UNOCAL <br />DATE DRILLED: 12-7-96 <br />LOCATION: 10334 Central Ave., Tracy <br />HOLE DIAMETER: B" <br />HOLE DEPTH: 21.5' <br />WELL DIAMETER: 2" <br />WELL DEPTH: 20' <br />CASING STICKUP: NA <br />F a <br />WELL Z <br />U-4 <br />c <br />U <br />a <br />!REMARKS <br />Q <br />S 1 <br />Q <br />c� <br />LITHOLOGY <br />i 1PA,6=FIC ENVIRONMEt <br />N PROJECT NO. 310-097.1 B <br />LOGGED BY: M.K. <br />DRILLER: Woodward <br />DRILLING METHOD: HSA <br />SAMPLING METHOD: MC <br />CASING TYPE: PVC <br />SLOT SIZE: 0.02" <br />WELL PACK: 2X12 SAND <br />L _GROUP,"C. WELL NO. U-4 <br />JPAGE I OF 1 <br />CLIENT: UNOCAL <br />DATE DRILLED: 12-7-96 <br />LOCATION: 10334 Central Ave., Tracy <br />HOLE DIAMETER: B" <br />HOLE DEPTH: 21.5' <br />WELL DIAMETER: 2" <br />WELL DEPTH: 20' <br />CASING STICKUP: NA <br />F a <br />WELL Z <br />U <br />a <br />!REMARKS <br />Q <br />LITHOLOGY <br />COMPLETION r j Iw- <br />Z z p <br />LU> <br />°- W <br />W <br />o <br />tC <br />2 L (L <br />� � <br />ii <br />vii <br />0UU <br />0 <br />GP <br />SANDY GRAVEL: green gray; trace fines; 20% fine <br />00 <br />sand; 10% medium sand; 15% coarse subangular to <br />1 <br />00 <br />subrounded <br />gravel; 55% fine subangular to subrounded <br />2 <br />0 0 <br />gravel <br />up to 3/4" diameter; no staining; no product odor. <br />g <br />ao <br />o 0 <br />0 31: <br />concrete debris up to 4". <br />00 <br />4 <br />0 0 <br />041: <br />PVC conduit, brick and the fragments. <br />0C <br />5 <br />00 <br />00 <br />00 <br />6 <br />00 <br />SC <br />SANDY CLAY: green gray; medium to high plasticity; <br />150 <br />B5Q/° fines; 15% fine sand; trace fine subangular to <br />7 <br />: <br />SM <br />subrounded gravel up to 3/4" diameter; staining; <br />Z <br />product odor. <br />B <br />SILTY SAND: dark green gray; 15% fines; low <br />Dp 100 8 <br />g <br />plasticity; 80% fine sand; trace medium and coarse <br />C <br />I\ <br />subangular sand; 5% fine subangular to subrounded <br />gravel up to 1/2" diameter; staining; product odor. <br />Mst <br />10 <br />S <br />CLAY: green gray; medium to high plasticity; 100% fines; <br />140 13 <br />11 <br />stiff staining; product odor. <br />SANDY CLAY: green gray, medium to high plasticity; <br />12 <br />C <br />85% fines; 15% fine sand; trace medium and coarse <br />ang> lar to subrounded sand; stiff; staining; product odor. <br />i 3 <br />CLAY: green gray; medium to high plasticity; 100% fines; <br />o <br />stiff; staining; product odor. <br />14 <br />@14': light yellow brown; high plasticity; 100% fines; <br />Cn <br />micaseous; soft; no staining; no product odor. <br />15 <br />Mst 50 2 <br />16 <br />17 <br />18 <br />19CLAYEY GRAVEL -light yellow brown; 800/6 fines; <br />medium to high plasticity; 10% fine sand; 5% medium <br />20 GC and coarse subangular sand; 15% fine subangular to <br />Wt 78 20 21 suibrounded gravel up to 1/2' diameter, very stiff; <br />no staining; no product odor. <br />BOTTOM OF BORING 21.5' <br />