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Geological Teconics Inc. <br /> orehole Logs <br /> Ile ssssss"ssss"sssssss <br /> ' Project Name George's Service Borehole No. LAW-4 Page 1 of 1 <br /> Project No. 425.2 Date 4/30/97 Contractor Varve Drilling <br /> ' Area & County Corner of Durham Fgrry Rd and Hwy 33/ San Joaquin Co. <br /> Field Geo/Eng M. Nlemi Drilling Method Hollow Stem Auger <br /> Borehole Dia 6„ Tot. Depth 22' Tot. Casing Depth 22' Casing Dia. 2" Screened Interval 22'-7' <br /> Filter Pack 22'-6' Annular Seal 6'-4' Slot Size 0.020 Grout 4'-0' Water Depth +/-7' <br /> L N aC <br /> ' s 0. 341 o Remarks <br /> E z° M o a o u Description OVM (PPM) <br /> 0 U 3M nti <br /> ' <br /> 5Z <br /> s =_= CL CLAY-(SYR4/2, plastic, slight sweet 26 <br /> ' S --= hydrocarbon odor, very moist, only <br /> enough sample for geology. <br /> ' 10 <br /> 0921 SM SILTY SAND—(5Y5/6) fine grained, top 1 8—top 6" <br /> 6" stained grey with product, gasoiline <br /> ' — odor, wet. 1 bottom 6" <br /> ' 15 — <br /> 0926 i SM SILTY SAND—(5Y5/6), fine grained, more <br /> 1 <br /> 4 silt, plastic. <br /> ' 20 <br /> 0930 '4 SM SILTY SAND—(5Y5/6), fine grained, less Q <br /> ' silt, slightly plastic, sample slid out of <br /> spoon so geology only. <br /> ' 25 <br /> 30 Notes: SAND CLAY ® Annular Seal ® Grout <br /> ' SILT Sample Submitted to Laboratory <br />