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Vector Engineering, Inc. <br />143E Spring Hill Drive <br />[�® Grass Valley, CA 95945 <br />Telephone: 530-272-2448 <br />Fax: 530-272-8533 <br />WELL NUMBER G -la <br />PAGE 1 OF 5 <br />CLIENT San Joaquin County PROJECT NAME North County Landfill <br />PROJECT NUMBER 03160020400 PROJECT LOCATION <br />DATE STARTED 06/01/10 COMPLETED 06/04/10 GROUND ELEVATION 119.74 ft HOLE SIZE 10 -inch <br />DRILLING CONTRACTOR Gregg Drilling GROUND WATER LEVELS: <br />DRILLING METHOD Hollow Stem Auger 10" <br />LOGGED BY A. Ogorzalek CHECKED BY P. Holland, CEG <br />1= <br />AT TIME OF DRILLING -- <br />AT END OF DRILLING --- <br />7. AFTER DRILLING 153.50 It / Elev -33.76 ft <br />(Continued Next Page) <br />w <br />a. <br />a <br />�:w <br />� <br />6 <br />U <br />v <br />n• p <br />MATERIAL DESCRIPTION <br />WELL DIAGRAM <br />Q <br />a= <br /><� <br />2 <br />0 <br />SM <br />(SM) Sandy Loam topsoil <br />118.7 <br />-- <br />- <br />----------------------------------- <br />SANDY SILT, (ML) brown, moist, soft <br />ML <br />5 <br />7.0 112.7 <br />— <br />-------------------------------------- <br />SANDY LEAN CLAY, (CL) reddish brown, moist, very stiff <br />CL <br />10 <br />_ <br />10_0----------------------------------- 109.7 <br />SANDY SILT, (ML) yellowish brown, moist, medium stiff <br />ML <br />•' <br />15 <br />15.0----------------------------------- 104.7 <br />— <br />SANDY LEAN CLAY, (CL) brown, fine grained, moist to wet, soft <br />20 <br />Grayish brown <br />25 <br />CL <br />30 <br />35 j <br />— <br />34.9------------------------------------84.8 <br />(Continued Next Page) <br />