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N MAP PA6IFIC ENVIRONMENTAL GROUP,I'AC. WELL NO U-4
<br /> 11th Street
<br /> PAGE 1 OF 1
<br /> • N PROJECT NO 310-0971B CLIENT UNOCAL
<br /> a U-4 LOGGED BY M K DATE DRILLED 12-7-96
<br /> �
<br /> -------- DRILLER Woodward LOCATION 10334 Central Ave , Tracy
<br /> DRILLING METHOD HSA HOLE DIAMETER 8"
<br /> SAMPLING METHOD MC HOLE DEPTH 21 5'
<br /> CASING TYPE PVC WELL DIAMETER 2"
<br /> U SLOT SIZE 0 02" WELL DEPTH 20'
<br /> WELL PACK 2X12 SAND CASING STICKUP NA
<br /> Z q
<br /> 0
<br /> WELL
<br /> z r V v LiTHOLOGY 1 REMARKS
<br /> COMPLETION F , � ►- I W W CL
<br /> 00 win OAU- ¢ < O
<br /> U d d U
<br /> 0 0 GP SANDY GRAVEL green gray, trace fines, 20%fine
<br /> 00 sand, 10% medium sand, 15% coarse subangular to
<br /> 1 00 subrounded ravel, 55%fine suban ular to subrounded
<br /> 0o g g
<br /> 20 a gravel up to 314" diameter, no staining, no product odor
<br /> ao
<br /> 30 0 @3' concrete debris up to 4"
<br /> 00
<br /> 40 0 04' PVC conduit, brick and tele fragments
<br /> 00
<br /> 5
<br /> 00
<br /> a0
<br /> ao
<br /> 6
<br /> SC SANDY CLAY green gray, medium to high plasticity,
<br /> H 150 7 5M 85% fines, 15%fine sand, trace fine subangular to
<br /> subrounded gravel up to 314" diameter, staining,
<br /> z
<br /> product odor
<br /> 8 SILTY SAND dark green gray, 15%fines, low
<br /> z
<br /> m Dp 100 8 9 CL\ plasticity, 80%fine sand, trace medium and coarse
<br /> subangular sand, 5%fine subangular to subrounded
<br /> 10 gravel up to 112" diameter, staining, product odor
<br /> Mst S CLAY green gray, medium to high plasticity, 100% fines,
<br /> 140 13 11 stiff, staining, product odor
<br /> SANDY CLAY green gray, medium to high plasticity,
<br /> 12 C 85%fines, 15%fine sand, trace medium and coarse
<br /> angular to subrounded sand, stiff, staining, product odor
<br /> 13 CLAY green gray, medium to high plasticity, 100%fines,
<br /> ❑ stiff, staining, product odor
<br /> 14 @14' light yellow brown, high plasticity, 100%fines,
<br /> micaseous, soft, no staining, no product odor
<br /> 15
<br /> Mst 50 2 16
<br /> 17
<br /> 18
<br /> 19 CLAYEY GRAVEL light yellow brown, 80% fines,
<br /> medium to high plasticity, 10%fine sand, 5% medium
<br /> GC and coarse subangular sand, 15%fine subangular to
<br /> Wt 78 20 21 subrounded gravel up to 112" diameter, very stiff,
<br /> no staining, no product odor
<br /> 22 BOTTOM OF BORING 21 5'
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