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i <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 <br /> �a <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. <br /> i <br /> 35 <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 <br />