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PROJECT NAME/LOCATION: PROJECT BORING <br /> EXXON RAS 7-0137 NUMBER: 90-205 NUMBER: SB-1 SHEET 1 OF 2 <br /> 1605 South El Dorado <br /> Stockton, California CONTRACTOR: DRILLING <br /> West Hazmat Drilling METHOD: 8" HSA <br /> I ry <br /> l <br /> DRILLER: DRILLING <br /> Scott Krueger RIG: CME 75 <br /> LAND START DATE: 2-22-91 COMPLETED: 2-22-91 <br /> OWNER: TIME: 08 : 00 TIME: 12 : 00 <br /> S T S N B C S I S R <br /> Y A U L O A N A E GENERAL <br /> M P M M O U M T M C DEPTH DESCRIPTION OF MATERIALS PID OBSERVATION <br /> P E P B W N P P O ( ft. ) AND CONDITIONS (ppm) NO'T'ES <br /> L L E T L F L V <br /> E E R S E T E <br /> 2 . 5 0 2" A. C. on 4" A.B. over: <br /> in. Sandy, very silty _CLAY, <br /> OD dark brown, damp <br /> S <br /> it 1-1 5 . 0 ' 14" 5 Clayey, sandy SILT, tan- 0 <br /> 6 . 5 ' brown, slightly--damp <br /> 1-2 10 . 0 ' 18" 10 Very clayey at 10 feet — 0 <br /> A&B 11. 5 ' �~ <br /> Sandy, clayey SILT., grey- <br /> brown, damp to moist <br /> It <br /> 1-3 15 . 0 ' 181' 15 0 <br /> A&B 16 . 5 ' Thin, clean, medium SAN]- <br /> layer (<211) at 15 feet <br /> " 1-4 20. 0 ' 18" 20 Sandy, slightly clayey 6 Slight gas <br /> A&B 21. 5 ' SILT-, brown, damp odor <br /> i <br /> to <br /> 1-5 25 . 0 ' 18" 25 Silty_-SANII, grey, damp, 20 Gas odor <br /> A&B 26 . 5 ' dense, with interlayers of <br /> sandy SILT <br /> 1-6 30 . 0 ' 18" 30 Slightly clayey, very sandy 18 Gas odor <br /> A&B 31. 5' SILT, grey, damp <br /> Field Notes: - Hand Augered to 5' <br /> - Drilled 30 degrees from Aegis <br /> I vertical - Environmental <br /> - Blow counts not representative Consultants <br /> or recorded <br /> Logged By: R. Kimmerling <br />