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PROJECT: Initial Soil Contamination Investigation PROJECT NO. 90481 SHEET 50F 5 <br /> PROJECT LOCATION: 4907 E. Waterloo Rd, Stockton HOLE NUMBER 8-1 <br /> DRILL METHOD Rotary Dritf Rig DATE STARTED: 1,1/9/90 TIME 08.20 <br /> BORING DIAMETER 6" 00 Hollow Auger DATE COMPLETED: 11/9/g0 TIME 11:30 <br /> SAMPLER Mod. California SPk-bcrrel 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 Colley CHECKsD BY. Peter Almendinger <br /> or (� <br /> WELL U a SAMPLE 840W5/ o S <br /> 7R. NUMBER b orches PTH v}i SYMBOL DESCRIPTION <br /> fML Some as previous page <br /> 40. <br /> F <br /> 41. f <br /> 4 <br /> 4 <br /> i <br /> j 4 1 <br /> j <br /> 1. 43. <br /> Lithology change — change in drilling <br /> 43 i Drilling easier, softer material <br /> k i CL Mottled dark yellowish—orange and moderate <br /> !f 15 I FIyellowish—brown, SANDY SILTY CLAY, moist, dense <br /> ± I 44 r go petroleum odor <br /> �� 32 44. <br /> NO190481-119 48 I <br /> 4 h <br /> ML Mottled dark yellowieh—orange and light yellowish <br /> 45. brown, SANDY CLAYEY SILT, low plasticity, moist, <br /> dense, no petroleum odor <br /> 46. <br /> i <br /> j 46.5 <br /> i! 47.0 <br /> l � i <br /> ! { 4 <br /> o- <br /> _ 4 i <br /> 14 Mottled yellowish gray and moderate <br /> 49. yellowish—orange, CLAYEY SANDY SILT, moist <br /> dense, with interlayered clayey silt, medium <br /> 31 i plasticity to 5D.0' <br /> 4 L i No petroleum odor <br /> ND`90481-1 E 10 45 I <br /> g 50.0 L---- — — -- ------ — <br /> GEMINI <br /> i Z -L,P��'�a�I�APaa�c LOG OF BORING 1 <br /> ��� INVESTIGATIONS InftW Hydrogeologic Investlgatlon <br /> A&V�'�" aEolEasa k 4907 Fast Watedoo,Stockton,CA <br /> AAA WE& Vilwtor,..Al <br /> OOCozad T iters PLATE <br /> N9GLTAMBA MO Wj?V10Ea � - <br /> - 3E <br />