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11 <br />0 <br />n <br />u <br />0 <br />LOG OF EXPLORATORY BORING <br />PROJECT NUMBER 939-02.06 BORING NO. G-2 <br />PROJECT NAME S.J. County Landfill Development Site PAGE 1 OF 8 <br />BY BAB DATE 7/01-02/87 SURFACE ELEV. 104.90 <br />SANDY CLAY, strong brown (7.5YR, 4/6); <br />20-30% fine- to medium -grained sand; <br />damp. <br />CLAY, yellowish brown (10YR, 5/8); 5-10% <br />sand; slightly micaceous; moist. <br />SANDY CLAY, yellowish brown (10YR, 5/8); <br />20% fine- to medium -grained sand; <br />micaceous; moist. <br />CLAYEY SAND, strong brown (7.5YR, 7/6); <br />30% fines; predominantly fine grained <br />to medium grained; quartzose; mica- <br />ceous; very moist. <br />REMARKS <br />Drilled with mud rotary -drilling equipment to a total depth of 156.5 feet. <br />Boring was converted to a 4 -1/2 -inch -diameter ground -water monitoring well <br />(see Plate ). <br />®denotes bag sample. <br />PLATE A-25 <br />POCKET <br />PENETRA- <br />LITHO - <br />TORVANE <br />PENETRO- <br />TIONz a <br />W <br />z <br />ti <br />W GRAPHIC DESCRIPTION <br />10 <br />METER <br />s <br />','L- <br />a <br />(TSF) <br />(TSF)Ft.) <br />(Blows/ < w <br />t7 3 'j <br />c <br />COLUMN <br />a <br />�n <br />SANDY CLAY, strong brown (7.5YR, 4/6); <br />20-30% fine- to medium -grained sand; <br />damp. <br />CLAY, yellowish brown (10YR, 5/8); 5-10% <br />sand; slightly micaceous; moist. <br />SANDY CLAY, yellowish brown (10YR, 5/8); <br />20% fine- to medium -grained sand; <br />micaceous; moist. <br />CLAYEY SAND, strong brown (7.5YR, 7/6); <br />30% fines; predominantly fine grained <br />to medium grained; quartzose; mica- <br />ceous; very moist. <br />REMARKS <br />Drilled with mud rotary -drilling equipment to a total depth of 156.5 feet. <br />Boring was converted to a 4 -1/2 -inch -diameter ground -water monitoring well <br />(see Plate ). <br />®denotes bag sample. <br />PLATE A-25 <br />CL <br />5 <br />10 <br />15 JE <br />SC <br />�n <br />SANDY CLAY, strong brown (7.5YR, 4/6); <br />20-30% fine- to medium -grained sand; <br />damp. <br />CLAY, yellowish brown (10YR, 5/8); 5-10% <br />sand; slightly micaceous; moist. <br />SANDY CLAY, yellowish brown (10YR, 5/8); <br />20% fine- to medium -grained sand; <br />micaceous; moist. <br />CLAYEY SAND, strong brown (7.5YR, 7/6); <br />30% fines; predominantly fine grained <br />to medium grained; quartzose; mica- <br />ceous; very moist. <br />REMARKS <br />Drilled with mud rotary -drilling equipment to a total depth of 156.5 feet. <br />Boring was converted to a 4 -1/2 -inch -diameter ground -water monitoring well <br />(see Plate ). <br />®denotes bag sample. <br />PLATE A-25 <br />