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1 <br />Log of Borehole: CEM-0 05 Figure 9 <br />Page 6 of 9 <br />Project Name: CEMEX Lyons Plant <br />Project Location: Lyons, CO Project N i tuber: 129142.005 <br />Drilling Method: Mud Rotary <br />Dolling Rig Type: Star 30 KDH <br />billing Fluid: Water <br />Boring Diameter: 12.75/6.0 inches <br />Bodng 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 Drilling: N/A <br />Depth to Groundwater 06/19/2007: <br />394.85 feet bTOC <br />TOC Elevation: 5277.23 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 />Cohgecked By: A. Notary <br />_^. <br /> <br />d v <br />a = V <br />L ~ <br />~ ~ <br />~ '~ <br /> <br />Lithologic Description <br />Monitoring <br />well <br />Construction <br />250- <br />- snale Shale; tlark gray to black, hard, moderately indurated, <br />- calcareous to very calcareous with calcite inclusions, <br />- pyretic. Occasional intervals of light brawn, hard chert. <br /> <br />255- <br /> <br /> <br /> <br />260- <br /> <br /> <br /> <br />265- <br /> <br /> <br /> <br />270- <br /> <br /> <br /> <br />275- <br /> <br />- ve <br /> <br /> <br />280- <br /> <br /> <br /> <br />285- <br /> zee <br />_ <br />- <br />- <br />290- <br />_ <br /> <br />295- snare Shale; dark gray to black, hard, moderately indurated, very <br />calcareous with trace free calcite, pyretic. Occasional <br />intervals with light brown, friable, limestone inclusions an <br />light gray mudstone. The percentage limestone and <br />mudstone increasing with depth (approximately 20% to <br />30 % limestone/mudstone below 316 feet bgs). <br /> <br />d <br />Drilling Company: Ingram <br />Date Started: 5/14/2007 Date Completed: 5/17/2007 ~ , <br />, r ~ <br /> <br />1 <br />1 <br /> <br /> <br /> <br /> <br />L1 <br /> <br />II <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />