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<br />Log of Borehole: CEM-0 05 Figure 9 <br />Page 2 of 9 <br />Project Name: CEMEX Lyons Plant <br />Project Location: Lyons, CO Project N i mbar: 129142.005 <br />Drilling Method: Mud Rotary <br />Dolling Rig Type: Star 30 KDH <br />Dilling Fluid: Water <br />Boring Diameter: 12.75!8.0 inches <br />Boring Depth: 410 feet bgs <br />Well Depth: 398 feet <br />Well Completion: Stick-up Well Casing Material: 4" Scheduel 40 PVC <br />Well Screen Material: 4" PVC, 0.01-inch slot <br />Depth to Groundwater at Time of Dolling: N/A <br />Depth to Groundwater 06/19/2007: <br />394.85 feet bTOC <br />TOC Elevation: 5217.23 feet AMSL 1 <br />Groundwater Elevation: 4822.38 feet AMSL - ~~ AMSL -Above mean sea level <br />~ bgs -below the ground surface <br />bTOC -below Top of Casing Elevation <br /> <br />' L ed B T. Van Arsdale <br />~', Cohgec ked e~y: A. Notary <br />_ ^ <br />a ~ <br />c v U <br />a c <br />~ ~ <br />~ <br /> <br />Lithologic Description <br />Monitoring <br />well <br />Construction <br />50 <br />- shale Shale; dark gray to black, hard, moderately intlurateq non- to ~. <br />- Slightly Calcareous. <br /> <br /> <br />55 - <br /> <br /> <br /> <br />60 - <br /> <br /> <br /> <br />65 - <br /> <br /> <br /> <br /> <br />70 - <br /> <br /> <br /> <br />75 - <br /> <br /> <br /> <br />80 - <br /> <br /> <br /> <br />85 - <br /> <br /> <br /> <br />90 - <br /> <br /> <br /> <br /> <br />95 - <br /> <br /> <br /> <br />Drilling Company: Ingram <br />Date Started: 5/14/2007 Date Completed: 5/17/2007 ~ , <br />' ~ ~ <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />1 <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />