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PROJECT: Initial S&J Contamination Investi anon I PROJECT NO. 90481 SHEET 4OF 5 <br /> PROJECT LOCATION: 4907 E. Watedoo Rd, Stockton HOLE NUMBER B-1 <br /> DRILL METHOD Rotary frill Rig DATE STARTED: 11/9/90 TIME 08:20 <br /> BORING DIAMETER 6" OD Hollow Auger DATE COMPLETED: 11/9/90 TIME 11:30 <br /> - SAMPLER Mod. Californfo Split-barrel OD: 2.5" ID: 2A" BORING DEPTH: 50.0' GROUNDWATER DEPTH: N/A <br /> DRILLING COMPANY Spectrum Drilling, Stockton LOGGED BY: Peter Almendinger <br /> DRILLER Ted Coffey CHECKED BY: Peter Almendinger <br /> } O <br /> WELL w SAMPLE B40WS/ $C gO1L <br /> CONSTR. °= a- NUMBER 6 ruches PTH �cn SYMBOL DESCRIPTION <br /> j SW Sarre as previous page <br /> 3O. <br /> '- <br /> F Y i <br /> FFI I <br /> 3Zf <br /> 33 <br /> Lithofogy change - change in drilling <br /> Drilling suffer, encountered grovel to 34.0' <br /> 35. i <br /> 1 14 <br /> 34 <br /> 00< ML Mottled yellowish-brown and dark yellowish- <br /> 2934 I orange, CLAYEY SILT, dense, moist, low plasticity <br /> OCKi 00< no petroleum odor <br /> ND 90481-117 50/3 i ! <br /> i <br /> ( 11 ML Mottled light yellowish brown and dark ysllowish <br /> 35 orange, CLAYEY SILT, dense, moist, low plasticity <br /> no petroleum odor <br /> i F 36. 1 <br /> 36.5 <br /> 37.0 <br /> i <br /> 38. <br /> 39" <br /> Some as above, ocesslonal smolt gravel to <br /> 22 I I 40.0', no petroleum odor <br /> 3 I <br /> ND 90481-18 41 <br /> 40.0 i ML <br /> GEMINI -- <br /> — ----------- ------- <br /> -_ _- ---- ---------tOCi OF BORING1--_ <br /> PETROGRAPHIC Initlal Hydlogeologlc Inmugstfon <br /> INVESTIGATIONS 4907 East waterloo,Stockton,CA <br /> ®®®�aEOLoarAL <br /> OEOTECHWAL . <br /> .�®® i®�► EWIJ9oNMWru Cozad Trallem PLATE <br /> CON8ULTA"AND L4DWT0W BEiiO= - 3D . <br />