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Project: ARCA 4493 Project No.: 077.41883.320 Log of Boring/Monitoring well:
<br /> Boring Location: 205 N. CENTER STREET, STOCKTON, CA. Drawn By. T.Z. B-7
<br /> Subcontractor and Equipment: PRECISION SAMPLING Logged By. C.H.
<br /> Sampling Method: SPLIT SPOON monitoring Device: Pl0 OVM 5808 Comments:
<br /> Start Dote/Time: 5 8 00 0900 Finish Dote/Time: 5 8 00 1500
<br /> First water (bgs): 15' Stabilized Water Level (bgs): NA
<br /> Surface Elevation: NA Top Casing Elevation: NA goring Abandonment/
<br /> o >. Well Construction Details
<br /> E �, LITWOLOGIC DESCRIPTION
<br /> CL
<br /> o v, ;, (color, grain size, consistency, moisture, other)
<br /> E
<br /> a O a m vii o
<br /> vs ib a o a 3
<br /> 0
<br /> 1
<br /> 2 SILTY SAND (SM) Dark yellowish brown, fine sand,
<br /> moist, no hydrocarbon odor (0,75,25,0)
<br /> 3
<br /> 4
<br /> 5 SANDY CLAY GL Dark olive brown, fine sand,
<br /> medium soft, moist, no hydrocarbon odor
<br /> 3
<br /> fi (0,20,20,60)
<br /> SILTY CLAY (CL) Dark brown, stiff, damp, no
<br /> t3 hydrocarbon odor (0,0,20,80)
<br /> 9 SILTY CLAY (CL) Dark brown with some gray,
<br /> medium stiff, damp, no hydrocarbon odor Backfilled
<br /> p 10 with cement
<br /> (0,0,40,60) grout
<br /> 11 SILTY SAND (SM) Dark brown, fine to medium
<br /> sand, dense, damp, no hydrocarbon odor
<br /> 12 0,75,25,0
<br /> 5.5 13 SILTY CLAY (CL) Gray, firm, damp,
<br /> no hydrocarbon odor 0 0 40 60
<br /> 14
<br /> 15IJ SILTY SAND (SM) Gray, fine sand, wet,
<br /> los 16 ; . hydrocarbon odor (0,75,25,0)
<br /> T
<br /> 17
<br /> 18-
<br /> 14 19 Some as above, moist to wet
<br /> 20-
<br /> 21-
<br /> 80 -1 Some
<br /> D2180Same as above, wet, strong hydrocarbon odor
<br /> 22
<br /> 23
<br /> 24
<br /> SILTY SAND (SM) Grayish brown, fine to medium
<br /> 1Q1 25 sand, saturated, strong hydrocarbon odor, sheen
<br /> on water (0,75,25,0)
<br /> 2&
<br /> 27
<br /> Ba 28Some (Not enough recovery for a sample)
<br /> slight hydrocarbon odor
<br /> 0 29
<br /> M
<br /> d
<br /> 30—
<br /> Reviewed By. Dole:
<br /> SECOR Revised By. Dote: Poge�af�
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