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Log of Borehole: CEM-005 Figure 9 <br />Page 1 of 9 <br />Project Name: CEMEX Lyons Plant Project Number: 129142.005 <br />Project Location: Lyons, CO <br />Drilling Method: Mud Rotary Well Casing Material: 4" Scheduel 40 PVC AMSL -Above mean sea level <br />Dolling Rig Type: Star 30 KDH Well Screen Material: 4" PVC, 0.01-inch slot bgs -below the ground surface <br />billing Fluid: Water Depth to Groundwater at Time of Dulling: N/A bTOC -below Top of Casing Elevation <br />Boring Diameter: 12.75/6.0 inches Depth to Groundwater 06/19/2007: <br />Boring Depth: 410 feet bgs 394.65 feet bTOC Lo ed B T. Van Arsdale <br />Well Depth: 398 feet TOC Elevation: 5217.23 feet AMSL 1 Checked By: A. Nota <br />rY <br />Well Completion: Stick-up Groundwater Elevation: 4822.38 feet AMSL - <br /> <br />m V <br />a <br />Monitoring <br />c c Lithologic Description sf <br />l <br />o v ~ ~ Con <br />ction <br />ru <br />0 <br />- MH Silt; Clayey, light brown, slightly moist, very soft. 5rck-up camgetion. top <br /> of casing is approximately <br />- 3 feet move the ground <br />- surface. <br />_ Concretelbenonite grout. <br />5 - <br /> 6 <br />- Mx Weathered Shale; medium brown to medium gray, slightly <br />- moist, very soft to hard, strongly calcareous. <br />10 - <br />15 - <br />20 - <br />25 - <br />-_ ze <br />- Snale Shale; (bedrock) medium brown to black, very soft to soft, <br />30 - non-calcareous. <br /> <br /> <br /> <br />35 - <br /> 36 <br />- male Shale; tlark gray to black <br />hard <br />moderately indurated <br />non- to <br />- , <br />, <br />, <br />slightly calcareous. <br />- (begin using water in the drilling process) <br />40 _ <br /> Trace amounts of hard light brown chert between 156 and 176 <br /> feet bgs <br /> . <br /> <br />45 - <br /> <br /> <br />- <br /> so <br />Drilling Company: Ingram ~ ~ , ~ <br /> <br />Date Started: 5/14/2007 Date Completed: 5/17/2007 , <br /> <br />