Laserfiche WebLink
' Project Name: Barclays Lathrop site Date: 8/2/93 Boring Number: C1 <br /> Project No: 14744 Borehole Depth: 140' ]Surface <br /> ace Completion: monument <br /> ' Drilling Cc: Exploration Drilling Well Depth: 117.5' Elevation: <br /> DrillingEquip: Failing 1500 mud rotary Water Elev.: ed By: JED <br /> Sampler Type: 94mm wireline Casing Elevation: Checked By: CAH <br /> TC <br /> c ci 7 <br /> Description ;.j to 2 U d Remarks <br /> 6"lens of Dusky brown(5YR 2/2)medium-coarse <br /> SAND (SW) (0,0,100,0) B 5% bentonite grout <br /> 1 Pale yellowish brown(10YR 6/2)CLAY (CL) I <br /> (90,8,2,0)medium stiff,dry, micaceous. <br /> a <br /> ' 3 n <br /> k <br /> ' Grades to Light olive gray(5Y 5/2)with occasional <br /> gravel and mica, (85,10,4,1)stiff,dry. 4" schedule 40 PVC blank <br /> ' well casing. <br /> 40 <br /> Grades to Pale brown(5YR 5/2) <br /> ' Gravel grades out. <br /> 45 <br /> ' Grades to Grayish blue green(5BG 5/2)(90,10,0,0) <br /> medium stiff,dry. 10 3/4 o.d.conductor casing <br /> Grades to Light olive gray(5Y 5/2)with silt and sand 50 <br /> (60,20,20,0) soft, moist, low plasticity. <br /> Grades to Grayish blue green(5BG 5/2),sand grades out, <br /> stiff,dry, medium plasticity. <br /> Grades to Medium gray(N5)mottled with Moderate <br /> yellowish brown(lOYR 5/4), micaceous. 55 <br /> 6"lens of Medium dark gray(N4)fine-coarse SAND <br /> (S W) (0,0,100,0) loose, moist. <br /> Gradeswith increasing sand(60,20,20,0) <br /> Grades to clayey SAND(SC)(25,10,65,0) <br /> 60 Centralizer <br /> TRC Environmental Corporation Figure No. A-2 <br /> TRC <br />