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I. Laboratories, Inc.
<br />2773 Downhill Drive Steamboat Springs, CO 80487(800) 334-5493
<br />Kennecott Energy Co-Colowyo Coal Co. LP ACZ Sample ID: L48224.O1
<br />Project ID: W67O81 Date Sampled: 10/07!04 14:30
<br />Sample ID: 0-17 Date Received: 10/11104
<br /> Sample Matrix: Soil
<br />Metals Analysis
<br />Arr"~~x.u.u~ .ay.......w:q;:;,:•osr:.>xax xz.'x:;~~~, s:~ r;.<,s;;.x.'..,,.-...,.-;;:n'<a.:s'ri..:r%,.;x:;x;.e~."°e.;..u;>s;;;...:t~°..:...y,.:r;;~::;o::am•.:.,,:.n:u;s 'a-;;:c°;;z;sr~,,:'rn-sir>
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<br />Calcium, soluble (Sat. M60106 ICP 2.81 meq/L 0.01 0.05 11/02/04 14:55 wfg
<br />Paste)
<br />Magnesium, soluble M6010B ICP 2.18 meq/L 0.02 0.08 11/07/04 14:55 wfg
<br />(Sat. Paste)
<br />Sodium Ahsorption Calculation 0.75 0.03 0.15 11/05/048:20 talc
<br />Ratio
<br />Sodium, soluble (Sat. M6010B ICP 1.19 meq/L 0.01 0.04 11/02/04 14:55 wrg
<br />Paste)
<br />Soil Analysis
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<br />Conductivity @25C M120.1 -Meter, w/ Saturated Paste 0.633 mmhoslcm 0.001 0.01 10/29/04 13:18 Ims
<br />Prep
<br />pH, Saturated Paste USDA No. 60 (21A) 7.7 units 0.1 0.1 10/29/04 13:18 Ims
<br />Solids, Percent CLPSOW390, PART F, D-98 89.4 °k 0.1 0.5 10114/04 15:58 Imslehg
<br />Soil Preparation
<br />u ~ r .:rn.:.:-,. w,::>r:. ~: rn>a,.,,,..µ,>.:....,., r-wu:r,.m,. ::r a-.:
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<br />.., ... .1^.., ,P,. .,~:. 4.i.Hy:o...:,.:..:. ,...: .u>aF~>rir,:£> Yr%:o '~`s R~>.c::.:r:,..,.~
<br />_.,. .. A;~'~'e n.,?.: Y>,.>,' > > ttn.:.kr..?ij2, .'1u°k•.~ <Y--.: o:n:.o~>:G,:.: y,.u.:£y. •;-#
<br />z~&s:;1~.~....,~a:~~;~saz.~s~K ur:..a.,e~.;;~,%F;;~;z;;i:.~'?;:~-,z~:.,f"",:rte?<u.or.~xfx~s~.~:i:
<br />Air Dry at 34 Degrees USDA No. 1, 1972 10/14/04 11:33 Ims
<br />C
<br />Crush and Pulverize USDA No. 1, 1972 10/19/04 16:00 sw
<br />Saturated Paste USDA No. 60 (2) 10128/04 15:26 Ims
<br />Extraction
<br />I 1
<br />REPIN.01.11.00.01
<br />L48224: Page 2 of13
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