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1L��Ui <br /> GROUNDWATER <br /> �-'�I---� TECHNOLOGY INC. • <br /> ' Monitoring Well 10 Drilling Log <br /> Prosect TPY?rn/f hRr+cr t)pvOwner T_Etiaco Refininc yarketzn:r Sketch Mop <br /> Location_��c2c�'*,fln,.��. Pro}ect Number 909/2,50--^150 <br /> Date Drilled- 4/30/90 Total Depth of Hole 49.5 ft Diameter- 10.5 in. SEE SITE PLAN <br /> Surface Elevotlon Water level )nitiol__.___a1 ft.24--hour <br /> Screen: Dlo. d n ength ?0 ft-.- Slot Size •020 in. <br /> Casing: Dia. 4 in. Length 29.5 ft. Type PVC <br /> Drilling Company Sierra Pacific Drilling Method Hollow stem Auoer <br /> Driller C. eSQcio Log by M. Qstendorf Notes: <br /> Geologist / Englneer E.K. Simonis License No. R.Q. 2tdd?? <br /> ti <br /> 3 Description/Soil Ciosslflcation <br /> g (Color, Texture, Structures) <br /> 4 inches asphalt <br /> ° Tan, clayey, silty sand (dry, no product odor) <br /> 2 SMI <br /> p I i I (grades brown, moist) <br /> I Brown, medium sand (medium dense, <br /> moist, no product <br /> o: A odor) <br /> 6 o ° 129 <br /> sP <br /> 8 <br /> �1 Light brown, silty clay (hard, dry, no product odor) <br /> 1 0 1 14 <br /> ° 23 <br /> 36 CL <br /> 12- <br /> 14- <br /> 274 0 :,: <br /> Tan, fine, sandy silt (very stiff, moist, no product <br /> C odor) <br /> :0 <br /> 14 <br /> 1 6 ° <br /> 14 <br /> 16 <br /> I 6: <br /> 0: <br /> 18 ML <br /> O- <br /> 20 C <br /> b 10 <br /> O ° 12 (grades clayey silt) <br /> 1s <br /> 22 <br /> c <br /> 24 CL Gray-tan clay (moist, no product odor) <br /> 6/68 REY. C <br /> - - Pogo,_1_of 2 <br />