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<br /> TERRA VAC CORPORATION LOG OF EXPLORATORY BORING GP-5
<br /> 1651 Alvarado Street, San Leandro, CA 54577 Page 1 of 1
<br /> a c w' cq
<br /> CL i a a m MATERIALS DESCRIPTION
<br /> o a x s
<br /> 1 1 FILL
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<br /> �r
<br /> F 4 i
<br /> 5 `a
<br /> 9
<br /> �T
<br /> 10.2
<br /> . SM
<br /> SAND, fine, silt (10-20%), clay (I0-15X), dark greenish gray
<br /> N/A 13125-9.5 i0 (4/10Y), damp, product odor
<br /> 20.8
<br /> F
<br /> N7 GP5-13.8
<br /> GP5-14.8sz 1 C
<br /> iJ ML
<br /> 142.9
<br /> SILT, clay (15-
<br /> 20%), dark greenish gray (4/10Y), scft. moist to
<br /> wet
<br /> N/A GP5-17.2 SM
<br /> SAND, fine to very coarse, silt (25-30%), clay (10-15%). dark
<br /> N/A GP5-18.8 greenish gray (4/10Y), wet
<br /> CL
<br /> 48 24 CLAY, sand (5-t0%), dark greenish gray (4/10y), wet, slightly
<br /> i plastic
<br /> N/A GPS-22.0 5P
<br /> SAND, fine to medium, fines (trace), dark greenish gray
<br /> GP5--23.0 (4/10Y), wet, grades to moist to damp @ 22.3 feet
<br /> 4.8 CL
<br /> N/A GP5-25.05 CLAY, sand (20-25X), dark greenish gray (4/10Y), wet, slightly
<br /> plastic
<br /> GP5-26.0
<br /> SP
<br /> SAND, fine, fines (trace), dark greenish gray (3/10Y), wet
<br /> CL
<br /> N/A GP5-29.0 CLAY, sand (5-10%), dark greenish gray (3/10Y), wet, slightly
<br /> 30 plastic
<br /> 30.
<br />' GP5- 0 5P
<br /> GP5-31.0 SAND, fine, fines (trace), dark greenish gray (3/10Y), wet
<br /> SM
<br /> SAND, very fine, silt (20-30%), dark greenish gray (3/10Y),
<br /> very dense, damp, probe refusal beyond 32 feet
<br /> Bottom of boring at 32 feet.
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<br /> PROJECT Chevron SS #9-4054 DRILLING-COMPANY Kvilhauq well Drillin
<br /> LOCATION 2103 Country Club Blvd., Stockton DATE DAILLED September 29, 1997
<br /> JOB NUMBER 30-0212 SURFACE ELEVATION Not surveyed
<br /> GEOLOGIST Cliff M. Garratt TOTAL DEPTH OF HOLE 32 Feet
<br /> DRILL RIG 1.75"0 Geoprobe FIRST OBSERVED GW 16 Feet
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