2007-10-31_REVISION - M2006080 (2)

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CORE BORING REPORT -_ _ __ Boring No. LHP-14 Sheet No.1 oft ii _ Project: Loveland Ready Mix Slurry Wall File No. 107027-000 Start June 25, 2007 Client: Com ass Environmental _ ~ p Finish: June 25, 2007 __ ' Contractor: Dakota Drilling Driller: Josh _ ~ Casin Sam ler Barrel Drillin E ui ment nd Pr dures LH Rep.: S. Harvey g p g q p a oce Type HSA C NX Rig Make & Model: DIEDRICH D-120 Elevatlon: na Datum: na Inside Diameter (in.) 4.25" 1 3/S, 2 - Drill Mud: Polymer Location: Sta 13+00 Hammer Weight (Ib.) - - - Bit Type: Cutting Head N: _ Hammer Fall (in.) - 30 in. - HoisUHammer: Cat-Head Safety Hammer E: - Water Level Data Sample Identifiratlon Notes Date Time Elapsed Bottom bottom Depth to lime hc) of Casing of Hole Water U Undisturbed Sample R Care 6/25107 W D - - 40 ft 6.0 ft - - - - - S Split Spoon B Bulk - - - - - - T Thin Wall Tube G Geoprobe a a d s _ tp ? r Visual-Manual Identification and Description ,E, t E o ~ Z S, c H ° E ~~ a ro N i ^ ~ a i ^ a is a~ {Soil: Density/consistency, color, GROUP NAME, max. particle size, D w E m ~ ~ m m ~ structure, odor, moisture, optional descripUOns, geologic interpretation ' m m ~ ° ~ y Rock: hardness, color, weathering, lithology, texture, JOint spacing) 3 ~ ^ Sandy lean CLAY (CL). Description based on cuttings. -FINE ALLUVIUM- -5 -5 10 -10 ~. Q r: ~. D_c: 0 0- ~G D ~: Is ns 8~ Sand 8 Gravel ~. Description based on cuttings. D, ..-p. -COARSE ALLUVIUM- 1, G 1- D ~: 6~ zo -zo . G Soft, slightly weathered, medium gray, fine grained, SHALE (BR), becoming sandier with depth. Horizontal joins, very close to moderate spacing, tight, slightly rough, slightly zs -zs R-1 g0" 73" 2 irregular, slightly weathered. NOTES: Soil identification based on visual•manual methods of the USCS as practicetl by Lyman Henn, Inc. BOrlrlg NO. LHP-14 Maximum particle size (MPS) is detertninetl by direct observatlon within the limitations of the sampler.