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11 <br />U <br />• '� ITEM: lion N_ <br />PROJECT <br />NUMBER 939-02.06 <br />BORING NO. <br />P-2 <br />PROJECT <br />NAME San Joaquin Landfill Development Site <br />PAGE <br />1 OF 3 <br />BY BAB <br />DATE 6/05-06/87 <br />SURFACE ELEV. <br />107.72 <br />REMARKS <br />Drilled with hollow -stem auger drilling equipment to a total depth of 40.5 <br />feet. Sampling was performed by driving a 2 -1/2 -inch ID split -spoon <br />sampler. Boring was converted to a 2 -inch diameter permeameter (see <br />Plate ). <br />PLATE A-5 <br />POCKET <br />PENETRA- <br />a <br />L <br />LITMO— <br />TORVANE <br />PENETRO- <br />TION ®Z 0 J <br />= <br />m <br />J GRAPHIC DESCRIPTION <br />METER <br />a iv > <br />X <br />n <br />(TSF) <br />(TSF) <br />(eFe ) �; wJ <br />® <br />y COLUMN <br />@-2': yellowish red (5YR, 5/6); 30% <br />REMARKS <br />Drilled with hollow -stem auger drilling equipment to a total depth of 40.5 <br />feet. Sampling was performed by driving a 2 -1/2 -inch ID split -spoon <br />sampler. Boring was converted to a 2 -inch diameter permeameter (see <br />Plate ). <br />PLATE A-5 <br />ML <br />SANDY, CLAYEY SILT, light brown 7.5YR, <br />6/4); slightly clayey; 20(+)% fine - <br />to coarse-grained sand; slight <br />plasticity; dry. <br />@-2': yellowish red (5YR, 5/6); 30% <br />fine to medium -grained, trace coarse- <br />grained sand; quartzose; slightly <br />damp. <br />SILT, reddish yellow (7.5YR, 6/6); 15- <br />5 <br />20% fine- to medium -grained sand; <br />SM <br />dry. <br />@4': becomes slightly clayey; grades <br />to sandy silt below 4.5'. <br />SILTY SAND, strong brown (7.5YR, 5/6); <br />10-30% fines; fine grained; mica- <br />::.. <br />ceous; damp. <br />SP <br />SAND, light yellowish brown (10YR, 6/4); <br />medium grained; quartzose with 30% <br />34 1® SM <br />mafic; 10% mica flakes; very poorly <br />graded; subangular grain shape; <br />slightly damp. <br />SILTY SAND, brown (10YR, 5/3); 39% <br />fines; very fine to fine grained; <br />denser than sand above; trace iron <br />stains. <br />@15': light brownish gray (10YR, <br />6/2); 46% fines; very fine to fine <br />15 <br />grained; minor and manganese stains; <br />56/ <br />trace fine root holes; damp. <br />10" <br />@16'° strong brown (7.5YR, 5/6); 15 <br />ML <br />25% fines; fine grianed; minor medium <br />to coarse grained; 95(+)% quartz <br />iron oxide coated; slightly damp. <br />SANDY SILT, yellowish red (5YR, 4/6); <br />49.5% predominantly fine- to medium - <br />53/ <br />grained sand; damp. <br />10.5" ;on <br />REMARKS <br />Drilled with hollow -stem auger drilling equipment to a total depth of 40.5 <br />feet. Sampling was performed by driving a 2 -1/2 -inch ID split -spoon <br />sampler. Boring was converted to a 2 -inch diameter permeameter (see <br />Plate ). <br />PLATE A-5 <br />