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' Geological Tecohnics Inc. 0 <br /> Borehole Lo <br /> ' Project Name George's Service Borehole No, MW-102 Page 1 of 2 <br /> Project No. 425.2 Date 4/29/97 Contractor V&W Drilling <br /> ' Area & County Corner of Durham Ferry Rd and Hwy 33/ San Joaquin Co <br /> ' Field Geo/Eng M. Niemi Drilling Method Hollow Stem Auger <br /> 12' 0-39' <br /> Borehole Dine" 39-507ot. Depth 50 Tot. Casing Depth 50 Casing Din. 2" Screened Interval 47.5-45 <br /> ' Filter Pack-50-43.5' Annular Seal 43.5-41' Slot Size 0.020" Grout 41-0' Water Depth +/-7- <br /> L <br /> s £ � 3 J CS E: ° £ Remarks <br /> Description (PPM) <br /> o� E Jo 6 — m o 0) o u A >, OVM m <br /> 0 ti 0 3Q U � Z) 0 <br /> 1 <br /> 5 06403 No Core Recovery 1 <br /> 10 <br /> 0647 _ _ = ML SILT—blue grey color, only a few inchs 52 <br /> 7 — — — recovered from shoe. <br /> ' Strong Gasoline <br /> Odor <br /> ' 15 <br /> 0653 90 _:_;_ ML SILT—(2.5Y6/6), grading to silty sand, 150 <br /> _ <br /> —.—._ <br /> M fine to medium grained, at 16', wet at <br /> 15.5'. Gasoline Odor <br /> ' 20 _ _ _ <br /> 0656 s = _ = ML SANDY SILT—(2.5Y6/6), fine grained 4 <br /> ' ------ sand, black hydrocarbon staining. <br /> Gasoline Odor <br /> 25 0703 :: SM SILTY SAND—(2.5Y6/6), fine grained, 4 <br /> ................ <br /> black hydrocarbon staining. <br /> ' Gasoline Odor <br /> ' 30 <br /> Notes: SAND CLAY ® Annular Seal ® Grout <br /> ' SILT Sample Submitted to Laboratory <br />