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PACIFIC ENVIRONMENTAL GROUP, INC. BORING NO B-4 <br /> PAGE 1 OF 1 <br /> CID <br /> PROJECT NO 910-017 1A CLIENT UNOCAL <br /> = I LOGGED BY M J W DATE DRILLED 10-6-98 <br /> DRILLER WOODWARD LOCATION 1034 Central Avenue, Tracy <br /> DRILLING METHOD HSA HOLE DIAMETER 8" <br /> x SAMPLING METHOD CONT CORE HOLE DEPTH 23' <br /> a' • CASING TYPE NA WELL DIAMETER NA <br /> 1:3-4 SLOT SIZE NA WELL DEPTH NA <br /> GRAVEL PACK NA CASING STICKUP NA <br /> U <br /> Z J <br /> WELL w ° wLITHOLOGYIREMARKS <br /> OMPLETION D Z E } UEL <br /> V_} ~Uj CL <br /> W i.- F- [L J_ <br /> 00 Z O a v a co <br /> RU a am Lt 0 n <br /> ASPHALT baserock, fill <br /> Backfilled 2 <br /> CL SANDY CLAY medium brown, 60 to 70% fines, 30 to 40% very <br /> with fine sand, trace organics, no product odor <br /> Grout <br /> 4 <br /> 0 6 @6' as above, medium brown, trace gravel, no product odor <br /> 8 @8' as above, medium brown, no product odor <br /> 19 <br /> Q Sat 0 8 10 SC CLAYEY SAND medium brown, 20 to 30% fines, 70 to 80%fine <br /> sand, trace gravel, no product odor <br /> 12 CL SANDY CLAY medium brown, 60 to 70% fines, 30 to 40%very <br /> Mst 0 25 fine sand, trace organics, no product odor <br /> Wt 0 12 14 SC CLAYEY SAND medium brown, 35 to 40% fines, 60 to 65% fine <br /> X sand, no product odor <br /> 16 Sc- SANDY CLAY/CLAYEY SAND medium brown, 50% fines, 50% <br /> Sat 0 10 18 CL fine to medium sand, no product odor <br /> SC CLAYEY SAND medium brown, 30 to 40%fines, 60 to 70% fine <br /> 0 20 to medium sand, no product odor <br /> 0 <br /> 22 000 GP SANDY GRAVEL grayish brown, 30 to 40%fine to coarse sand, <br /> X o 0 0 60 to 70% fine to medium gravel, no product odor <br /> 24 <br /> BOTTOM OF BORING 23' <br /> 26--- <br /> 28---, <br /> 30--- <br /> 32--- <br /> 34--- <br /> 36--- <br /> 38--- <br /> 40--- <br /> 42--- <br /> 44— <br />