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<br />Green Analytical <br />Laboratories, Inc. <br />75 Suttle Street <br />Durango, CO 81303 <br />970-247-4220 <br />Laboratories, Inc. <br />Customer: National King Coal <br />4424 C R 120 <br />Hesperus, CO 81326 <br />Report Date: 1/30/2008 <br />Collected: 12/6/2007 <br />Received: 12/28/2007 <br />Sample Matrix: MW <br />Tom Bird <br />Project Name: King II <br />Project Number: <br />Sample ID: Hay Gulch Ditch <br />Sample Analysis MDL Result Units Date Tech Method <br />0712281112 Alkalinity as CaCO3 10 84 mg/L 1/14/2008 cs SM 2320 B <br />Bicarbonate as CaCO3 10 84 mg/L 1/14/2008 cs SM 2320 B <br />Calcium, dissolved 0.5 33.8 mg/L 1/3/2008 jc EPA 200.7 <br />Carbonate as CaCO3 10 < 10 mg/L 1/14/2008 cs SM 2320 B <br />Hardness as CaCO3 10 128 mg/L 1/29/2008 dz Calc <br />Hydroxide as CaCO3 10 < 10 mg/L 1/14/2008 cs SM 2320 B <br />Iron, dissolved 50 53.0 Ng/L 1/3/2008 jc EPA 200.7 <br />Magnesium, dissolved 0.5 10.8 mg/L 1/3/2008 jc EPA 200.7 <br />Manganese, dissolved 5 < 5.00 Ng/L 1/4/2008 jc EPA 200.7 <br />pH 0.1 7.97 SU 1/2/2008 ap EPA 150.1 <br />Sodium, dissolved 0.5 4.10 mg/L 1/3/2008 jc EPA 200.7 <br />Sulfate 10 57 mg/L 1/16/2008 ap SM 4500-SO4 E <br />Total Dissolved Solids 10 140 mg/L 1/3/2008 ap SM 2540 C <br />ly~J <br />John Gr n, Lab Director Page 4 of 4 <br />