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Drilling Log <br /> IS <br /> FIT] IT CORPORATION Monitoring well MW-4 <br /> A Member of the IT Group <br /> 7-Eleven, SS# 14117 7-Eleven 1nC See Site Map <br /> Project -- Owner <br /> Location 2725 Country Club Blvd, Stockton, CA Prol_ No 779988 For Boring Location <br /> Surface Elev. Total Hole Depth 25 ft Diameter 8 In COMMENTS <br /> Top of Casing Water Level Initial 16 ft Static 75 ft <br /> Screen Dia Length Type/Sue Sch 4010 020 slot in <br /> Casing Dia Length Type SCh 40 PVC <br /> Fill Material #3 Sand Rig/Core D-101SO11t Spoon _- <br /> Drill Co Greqq Dr1111122 Method .Hollow Stem Auger <br /> Driller Chris Log By Jon Phlhpp Date 05114199 Permit # <br /> Checked By Ed Simon's License No. California RG#4422 <br /> r- <br /> 0 0 ., m <br /> —; �, a - <br /> OE O <br /> a W escrlption <br /> e a_ a Q c, 0 ao U E °-a E a 4) '�°J u1 (Color, Texture, Structure) <br /> 0 16 a U) Trace < 10%. Little 10% to 20%, Some 20% to 35%. And 35% to SOX <br /> U in m X <br /> —2 <br /> Asphalt <br /> 2 < <br /> 4 f <br /> < CL Silty CLAY (25,75) dark greenish gray, dry, very stiff, no <br /> MH-4@5 3 hydrocarbon odor <br /> €3 3 <br /> 5 <br /> 8 Static <br /> Nb-4@i0 4 <br /> g Clayey fine SAND (30,70) dark greenish gray, slightly moist, stiff <br /> 10 — SC but crumbly, faint hydrocarbon odor <br /> 12 <br /> WARS 4 <br /> 14 5 Clayey SILT (25,75) mottled brown and olive green, moist to wet, <br /> 8 ML stiff but crumbly, mild hydrocarbon odor <br /> i6 Groundwater Encountered 5114199, @810 hrs <br /> 18 — <br /> NW-4@2o 17 Medium SAND (100) greenish gray wet, loose, moderate <br /> 19 hydrocarbon odor_ <br /> 24 = 22 <br /> SP <br /> 22 <br /> W-4@2524 Clayey medium SAND (15,85) medium olive green, wet loose mild <br /> Sc hydrocarbon odor <br /> 26 <br /> oB/ie/1999 hthlog-Har 99 Page 1 o f l <br />