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r <br /> Drifting Log <br /> IT CORPORATION Monitoring Well MW-1 <br /> A Member of the IT Group <br /> wolect 7-Eleven, SS# 14117 � Owner 7-Eleven, Inc See Site Map <br /> For Boring Lacatlan <br /> Location 2725 Country Club avd, Stockton, CA —_ Prof No 779986 <br /> Surface Elev Total Hale Depth 30 ft Diameter 8 In COMMENTS <br /> Top of Casing Water Level Initial 18 ft Static 78 ft <br /> Screen.Dia 2 in Length 20 ft Type/Size Sch 40/0 020 slot in <br /> Casing Dia 2 In Length 10 ft Type Sch 40 PVC <br /> Fill Materlai 93 Sand Rig/Core 0-10/Split S000n <br /> Drip Co Gregg Drilling __ Method Hollow Stem Auger <br /> Driller Chris Log By Jon Philipp__ Date 05/13/99 Permit f <br /> Checked By Ed Simons License No California RG#4422 <br /> Oma' >' a <br /> N p `" ` m Description <br /> .r-:: — E _� o o <br /> CL a Wm U <br /> w`• i ° o <br /> E <br /> E } u � a (Calor, Texture, Structure) <br /> Ov (n m j Trace < 10%, Little 10% to 20%. Some 20% to 35%, And 35% to 50% <br /> —2 <br /> 0 , s 2 Asphalt over sandy GRAVEL (30 70) brown, dry, loose, no <br /> < < 9V \Gw hydrocarbon <br /> 2 < < Silty CLAY (40,60) mottled dark gray medium brown and olive, <br /> mostly dry slightly plastic no hydrocarbon odor <br /> 4 < < CL <br /> < < a Nk-tis 5 <br /> 6 < s Sandy pebbly CLAY (10 30 60) brown slightly moist, stiff no <br /> hydrocarbon odor <br /> 8 Static 5/14/99 <br /> Clayey SILT (40,60) olive brown slightly moist, stiff, no <br /> 5 <br /> 14 g hydrocarbon odor <br /> 12 — <br /> 14 — -t@s s Clayey SILT (10,80) mottled brown and green, loose, faint <br /> 7 <br /> ML hydrocarbon odor (9) <br /> � <br /> 16 <br /> 18 S Groundwater Encountered, 5/13/99 @930 firs <br /> 15 NN-020, T <br /> 20 — NN-Wr 20 • Medium SANT] (t00) gray, wet loose, subrounded to subangular, no <br /> _ hydrocarbon odor, NO RECOVERY (heaving sand) <br /> - 22 — = 20 <br /> SP <br /> 24 75 KW-t@25' 16 <br /> 24 <br /> 37 Medium SAND (100) green/gray wet loose, faint hydrocarbon odor <br /> 26 with clay stringers (100) <br /> 28 = <br /> 20 NN-t@30 15 ML <br /> 18 Clayey SILT (10,90) medium blue green moderately loose, moist, <br /> 30 35 no hydrocarbon odor <br /> 32 <br /> 06/te/1999 Ltmog-Naf 99 Page 1 of I <br />