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C3 114 <br /> F°A° -- <br /> GM-8 _ GM-7 LOG OF BORING GM-4 <br /> PAY r_�1 <br /> Chevron Service Station #9-4275 <br /> GM-9 <br /> •GM-6 2905 West Benjamin Holt Drive <br /> GM-5 CM 4' Stockton, California <br /> I I!,GM-3 Q <br /> Project No RC0309 005 Date Drilled November 14, 1996 <br /> GM-2 <br /> ti I m Logged By Aaron O'Brien Drilling Method 10" Hollow Stem Auger <br /> Drilling Co Westex Sampling Method 2" Split spoon <br /> N Driller Mark Dockrey Driller's License C57-552198 <br /> DESCRIPTION <br /> WELL CONSTRUCTION d o G ECL <br /> tv m a Cl) cs <br /> 10" Boring Traffic-rated <br /> Well Cover <br /> Asphalt concrete <br /> Locking water- <br /> tight cap SILT(ML), dark greenish gray(10Y 311), 5-10%clay, 5-10% <br /> � L y <br /> Concrete fine-grained sand,very stiff, dry <br />' 5-23 7 <br /> 2" Sch 40 PVC <br /> Blank casing <br /> Neat Cement <br /> Grout <br />' Bentonite SAND (SW), gray (5Y 5/1),trace (<5%)silt, medium <br /> 10dense, moist <br /> #2112 sand 37 12 <br /> 2" Sch 40 PVC <br /> 0 020"slotted <br /> casing <br /> 15 <br />' 17 6 SILT(ML),olive gray(5Y 4/2), 10-15%clay, stiff,very moist <br /> SZ <br /> ' 11/14/96 <br /> 250 PM <br /> 20 020 feet clayey silt, olive brown (2 5Y 414), with <br /> 37 55 streaks of greenish gray (10Y 5/1),25-30%clay, <br /> Coated very stiff, wet <br /> Bentonite <br /> SAND (SW), dark olive gray (5Y 312),trace (<5%) clay, <br /> ' 25 very dense, wet <br /> Geraghty & Miller, Inc. Boring GM-4 sheet o 2 <br />