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Project RANCH MARKET I Project No 077 42006 003 Log of Boring/Monitoring Well <br /> Boring location 23564 S SANTA FE ROAD, RIVERBANK, CA I Drawn By T Z <br /> Subcontractor and Equipment WEST HAZMAT HOLLOW STEM AUG Logged By C M SB- 1 <br /> mphng Method CONTINUOUS CORE Monitoring Device (PID) OVM 5808 Comments <br /> 1 Date; 7 24 00 Finish Date/Time 7/24/90 <br /> First Water (bgs) —26' Stabilized Water Level (bgs) -- <br /> ki Surface Elevation NA Top Casing Elevation NA Boring Abandonment/ <br /> Z o a & ,, J Well Construction Details <br /> LITHOLOGIC DESCRIPTION <br /> E IL (color, gram size, consistency, moisture, other) <br /> IL q c <br /> V) m 4 0 W n 3 <br /> 0 - <br /> 1 SILT (ML) (7 5YR-4/3) BROWN, low plasticity, <br /> 2 slow dilantancy, firm, damp, no odor/ <br /> discoloration (0,5,80,15) <br /> 3 - <br /> 4 <br /> b SILT (ML) as above, with interbedded 2" thick <br /> SB-105 0 6 band of fine sand, root casts up to 1" long at <br /> 6-7' bgs, no odor/discoloration <br /> 7 <br /> 8 SAND (SC) with gravel (1OYR-5/4) YELLOWISH <br /> BROWN, fine grained to medium grained sand, <br /> 9 grovel to 075". no cementation, no odor/ <br /> 10 discoloration (10,80,10,0) <br /> 1010. 25 11 SAND (SC) with gravel, as above <br /> 12 <br /> 13 <br /> Cement <br /> 14 Grout <br /> 15—mSAND (SC) with gravel, as above with slightly <br /> SB-1015' 205 16 more fines <br /> 17 <br /> 18 <br /> 19 <br /> SB-1020 850 20 SANDY SILT (ML) (7 5YR-4/3) BROWN, low <br /> 21 plasticity, rapid dilatancy, soft, damp, no <br /> 22 discoloration, slight fuel odor (0,20,70,10) <br /> 23 <br /> 24 <br /> 2s <br /> 58-1025 199 26 T SANDY SILT (ML) as above, iron stainin through <br /> 27 out, slight odor, damp, (100% recovery <br /> 28 <br /> 29 <br /> N <br /> d <br /> 30 <br /> Reviewed By Date <br /> F\ .0 R Revtged Rv Dale Page L of- <br />