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1r Drilling Log UUiI� GROUNDWATER 17"F -I Monitoring Well MW -2 TECHNQLOGY Project Chevron -Charter wav, Stockon Owner Chevron USA Products Comoanv See Site Map Location 508 Charter way. Stockton CaProj No 02070 0071 For Boring Location Surface Elev Total Hole Depth 515 ft Diameter 8 1n COMMENTS 'fop of Casing Nater Level Initial 35 ft Static Screen Dia 2 ,n Length 20 ft Type/Size 0 020 in Casing Dia 2 in Length 30 ff Type SCh 40 PVC Fill Material #3 Sand Rig/Core CME-75/S+lf Spoon Drill Co SES. Inc Method Hollow Stem Auger/PID Driller Mike Duffy Log By Bruce Beale Date 03/15/85 Permit ill 5179 Checked By Ed Simons License No RG#4422 O a — o o " `—'�, Description oma. E a s E s q m,,, sn (Color, Texture, Structure) W Trace < 10%, Little 10% to 20%. Some 20% to 35%. And 35% to 5OX -2 U 3" asphalt over gravelly CLAY dark brown to balck, moist to dry, no hydrocarbon odor (some brick - fill material) Silty CLAY (30,70) mottled orange brown and brown gray, moist, no hydrocarbon odor Sandy silty CLAY (10,20,70) light orange brown, moist, plastic, no hydrocarbon odor {grades silty CLAY (15 851 light brown) Clayey silty fine SAND (20 20 60) olive brown moist, no hydrocarbon odor 04/12/1995 whiog-mar93 page i of 2 2 i < < < GC 4 < Mit-2 < < 0 -5 5 - 6 < < 7 9 < < CL g < < C < 10 < < MW -2 0 -10 4 6 < c B 12 < < CL < < 14 < < < < Mw -2 0 -15 3 1s < < 3 6 CL < 18 14 < < 20 < MW -2 o -20 4 < < 10 12 22 < < sc 24 < 3" asphalt over gravelly CLAY dark brown to balck, moist to dry, no hydrocarbon odor (some brick - fill material) Silty CLAY (30,70) mottled orange brown and brown gray, moist, no hydrocarbon odor Sandy silty CLAY (10,20,70) light orange brown, moist, plastic, no hydrocarbon odor {grades silty CLAY (15 851 light brown) Clayey silty fine SAND (20 20 60) olive brown moist, no hydrocarbon odor 04/12/1995 whiog-mar93 page i of 2