2007-10-31_REVISION - M2006080 (2)

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-- ~ CORE BORING REPORT Boring No. LHP-5 ~ Sheet No.tof2 _ Project: Loveland Ready Mix Slurry Wall File No. 107021-000 = a Start: April 17, 2007 ~ Client: Compass Environmental Finish: April 20, 2007 _ Contractor: Dakota Drilling Driller: Josh/Blake _ Casin Sam ler Barrel Drillin ui ment and Procedures E LH Rep.: G. Snyder g p g p q E Type HSA S/C NO Rig Make & Model: CME-55 levation: 4817.11 Datum: na Inside Diameter (in.) 4.25" 1 3/8, 2 Drill Mud: Water Location: See Boring Plan Hammer Weight (Ib.) - - Bit Type: Cutting Head N: -_ Hammer Fall (in.) - 30 in. - Hoist/Hammer: Cat-Head Safety Hammer E: -- Water Level Data Sample Identification Notes Date Time Elapsed Botom Botto m Depth to Tme (hr.) of casing of Ho le water U Undisturbed Sam le R Core 4/20!07 - - 34 7.1 h p - - - - - - S Split Spoon B Bulk T Thin Wall Tube G Geoprobe a a o = ,.- ~ r ? t Visual-Manual Identification and Description ° s E °- ° o ^- Z z, y 3 E ~ m m U ~ m rn > ~ ~ ... c > ~ ° ~ ~ .°.°_'u 7 (Soil: Density/consistency, color, GROUP NAME, max. particle size, ~ IL E m $ K ~' `~? structure, odor, moisture, optional descriptions, geologic interpretatlon =y t m cn ~ ° - ` in Rock: hardness, color, weathering, lithology, texture. joint spacing) 3 rn o : Light brown, clayey sand 0 . to 5 ft. 4815 s - C-1 12" S ~ Loose, light brown, clayey SAND (SC), mostly fine grained sand, some clay, no odor, moist. 4 -COARSE ALLUVIUM- 4a1o ~ ~ Driller indicates than eat 10 ft. 10 S-2 6" 8 Medium dense, red brawn, poorly graded GRAVEL with sand (GP), mostly coarse gravel, 14 ~;p some fine sand, MPS= 1.5", no odor, wet, quartz. 18 OO d 4805 :.~ 0 -COARSE ALLUVIUM- 0 d ~O ~e °o 1s ~d S-3 5" 50/5" SAME AS ABOVE, d Except hard, MPS= 1" ~O Od 4800 ~O Od ~0 Od a ~O z S-4 8" 6 SAME AS ABOVE, 7 ~ ~~ ~ Except medium dense. 14 e apes Driller indicates bedreck at 21.5 ft. zs NOTES: Soil identification based onvisual-manual methods of the USCS as practiced by Lyman Henn, tnc. goring NO. LHP-5 Maximum particle size (MPS) is tletermined by direct observation within the limitations of the sampler.