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Project Former Canteen Corp Facility Project No 99-0557 BORING NO <br /> Site Address 1500 Shaw Road, Total Depth 61 5 Feet MW-13 <br /> Stockton, California Date 5/26199 <br /> lung Co Cal Nev Logged by G A Dickenson Page 1 of 1r <br /> Rig/Auger Type CME75/7-114" Hollow Stem Auger Reviewed by N Henderson <br /> b,�SC' �Q�yQ�' Lithologic Description <br /> I <br /> Begin sampling boring at 40 feet below surface grade (bsg) <br /> 40— <br /> MW-13- 4,548 317/9 SM SILTY SAND, brown,moist, medium dense,poorly graded, <br /> 41' fine sand,trace light brown seams, strong petroleum <br /> hydrocarbon(HC)odor, visible sheen when soil is wet(add <br /> water) <br /> 1 45 <br /> — MW-13- <3,943 6/14/27 ML I � ; CLAYEY AND SANDY SILT,brown, moist, stiff, moisture <br /> 46' content<plastic limit, low plasticity, poorly graded, fine sand, <br /> trace light brown seams,blocky structure, trace pores up to <br />' 0 5 mm, strong HC odor <br /> MW-13- <2,682 11/14/22 SM/ML SILTY SAND/SANDY SILT with clay, moist, dense/stiff, <br /> 51' poorly graded, fine sand,trace light brown seams, strong HC <br /> odor Note Water inside borehole at 50 to 55 feet bsg <br />' <br /> 55 <br /> — MW-13- <3,120 15/13/17 ML SANDY SILT with clay, brown to olive gray, moist to wet, staff, <br /> 56' trace pores up to 0 5 mm, strong HC odor <br />' 60— MW-13- <2,086 8115134 ML SILT with sand and clay, olive gray, moist, stiff, fine sand, HC <br /> 60 5' I odor <br /> Total depth 60 5 feet bsg <br /> Note <br /> 1) on 5126/99, install 2-inch diameter Schedule 40 PVC well <br /> casing and 0 010-inch slotted well screen Well screen interval <br /> fr 39 to 59 feet"bsa <br /> 2) Iter pack with #2/12 sand 37 to 60 5 ft bsg Bentonite <br /> seal from 34 to 37 feet bsg Portland neat cement grout seal from <br /> 1 5 to 34 feet bsg <br /> � 1 <br /> Advanced � �~ <br /> Ge®Envar®nmental, Inc. <br /> IAM1PR0180RING-1%CANTEE-1%CANMW 13 SAM 06112!99011 01 AM <br />