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Project ARCO 14493 Project No 077 41883 320 Log of Boring/Monitoring Well
<br /> Boring Location 205 N CENTER STREET, STOCKTON, CA Drawn By T Z
<br /> B-1
<br /> Subcontractor and Equipment PRECISION SAMPLING Logged By C H
<br /> Sampling Method SPLIT SPOON Monitoring Device PIp 0VM 5808 Comments
<br /> r tart Dote/Time 5Z8/00ZZ0900 Finish Dote/Time 5/8/00//15q9
<br /> M PE
<br /> First Water (bgs) 16' Stabilized Water Level (bgs) NA
<br /> Surface Elevation NA Top Casing Elevation NA
<br /> r. Q Boring Abandonment/
<br /> v E �. Well Construction Details
<br /> LITHOLOGIC DESCRIPTION
<br /> E ,1 0 (color, groin size, consistency, moisture, other)
<br /> E 0 d u
<br /> 0 1 ASPHALT
<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 CL Dark olive brown, fine sand,
<br /> medium soft, moist, no hydrocarbon odor
<br /> 6 (0,20,20,60)
<br /> 7 SILTY CLAY (CL) Dark brown, stiff, damp, no
<br /> 8 hydrocarbon odor (0,0,20,80)
<br /> 9 SILTY CLAY (CL) Dark brown with some gray,
<br /> 21Q medium stiff, damp, no hydrocarbon odor Backfilled
<br /> (0,0,40,60) with cement
<br /> 11 SILTY SAND (SM) Dark brown, fine to medium grout
<br /> 12 sand, dense, damp, no hydrocarbon odor
<br /> 0 75 25,0
<br /> 55 13 -0 SILTY CLAY (CL) Gray, firm, damp,
<br /> no h drocarbon odor 0 0 40 60
<br /> 14
<br /> 15
<br /> SILTY SAND (SM) Gray, fine sand, wet,
<br /> 1Q616 T hydrocarbon odor (0,75,25,0)
<br /> 17-
<br /> 18-
<br /> 14
<br /> 718 14 19 Some as above, moist to wet
<br /> 20-
<br /> 21—
<br /> so
<br /> f}21go 22 Some as above, wet, strong hydrocarbon odor
<br /> 23
<br /> Si 24
<br /> 101 ,
<br /> SILTY SAND (SM) Grayish brown, fine to medium
<br /> 25
<br /> � sand, saturated, strong hydrocarbon odor, sheen
<br /> 26 on water (0,75,25,0)
<br /> r
<br /> 27
<br /> 60 28 Some (Not enough recovery for a sample)
<br /> 29 slight hydrocarbon odor
<br /> 30
<br /> Reviewed By Date
<br /> SECOR Revised By Date Page—Lof—L
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