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Drilling Log <br /> IT CORPORATION Soil Boring SB--1 <br /> A Member of the I r Group <br /> Q Protect / -Eleven S5#20632 Owner 7-Eleven, Inc <br /> Location 4627 DaVrncr Drrve, Stockton, CA _ Prot No 779962 <br /> , <br /> U) Description <br /> t n <br /> 3 <br /> o a s <br /> r Ha W U QO <br /> �. Q E 3 v +D_, m (Color, Texture, Structure) <br /> ra ° Ir Trace ¢ 10%, Little 10% to 20%, Some 20% to 35%, And 35% to 50% <br /> W m x <br /> a26 Clayey very fine SAND and SILT (30 30 40) brown gray most stiff slight <br /> plastic <br /> 28 MIL Grades clayey silty very fine SAND (10 30,60) bt own gray moist/dry stiff <br /> 30 slight plastic <br /> End of soil sampling @ 30 feet <br /> 32 <br /> Hydropurch water sample 30-34 and 36-40 feet <br /> - 34 - <br /> 36 - <br /> - 38 - <br /> 40 <br /> 4363840 <br /> 42 <br /> 44 <br /> 46 <br /> - 48 - <br /> - 50 <br /> 52 <br /> - 54 - <br /> 56 - <br /> 58 - <br /> 60 <br /> 4565860 <br /> DPage 2 of 2 <br /> 07/24/2002 lithlog--Mar 99 <br />