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ACZ <br /> .4CZ Labararonrs. lnc. Lab Sample ID : L18114-0! <br /> 34100 Dawnhi!/Dnve Client Sample lD : 327 <br /> Srramboar Springs, CO 80487 Client ProjeC[ lD : <br /> (800) 334-sa93 ACZ Report ID : RG66993 <br />' Kerr Coal Co. Date Sampled : 4/23/98 /4:00 <br /> P.O. Box 487 Date Received : 4/24/98 <br /> Walden, CO 80480 Date Reported : 5/13/98 <br /> Jim Mossman <br /> cc: Jay James Sample Matrix : Surface Water <br /> Metals Anal sis <br /> t 1. <br /> Calcium, dissolved M200.71CP 75.1 mg/L 0.2 I 5/I 1/98 gg <br /> Iron. total M200.7 ICP 0.31 mg/L 0.01 005 5/8/98 kr/ss <br /> Magnesium, dissolved M200.7 ICP i9.9 mg/L U.2 I 5/11/98 gg <br /> Manganese, total M200.7 ICP O.Ofi6 mg/L 0.005 0.03 5/6/98 gg <br /> Potusium, dissolved <br />dissolved <br />Sodium M200.7 ICP <br />71CP <br />M200 3.2 <br />94 <br />0 mg/L 0.3 <br />mg/L 03 1 <br />1 5/1 1/98 <br />5/17J98 gg <br />g <br /> . . . g <br /> Metals Pre <br /> t •a 1 <br />' Total Hot Plale Dieestion M30101CP 5/7/98 laa <br /> Wet CI1LmI5t I'V <br /> <br /> I 1 1 <br /> Alkalinity as CaC03 M310.1 <br /> Bicarbonate as CaC03 259 mg/L 2 IO 52/98 sts <br /> Carbonme as CoC03 U mg/L 2 10 52/98 scs <br /> Hydroxide a CaC03 U mg/L 2 10 52/98 sLs <br /> Total .4lkalinity~ 259 mgiL 2 10 512198 su <br /> Cation-Anion Balance Calculation <br />' Cation-Anion Balance 0.0 % 5/13/98 talc <br /> Sum of Anions 96 meq/L 0.1 0.5 5/13/98 colt <br /> Sum ofCmion~ 9.6 meq/L 0.1 0.5 5/13/98 talc <br /> Chloride M325.2 - Colorimetrie (RFA) 8 mg/L I 5 5/6/98 mh <br /> Hardness a CaC03 Calculation based on dissolved Ca & Mg 270 mgR. I 7 5/13/98 talc <br /> Lab Filtration ••• 4/24/96 laa <br />' Lab Filtration R Acidification <br />Nitrate as N, dissolved ••• <br />M353.2 -Automated Cadmium Reduction <br />0.03 B <br />mg/L 0.02 <br />0.1 4/24/98 <br />4/24/98 laa <br />ss <br /> NitraieMiuile u N, dissolved h1753.2 -Automated Cadmium Reduction 0.03 B mg/L 0.02 0.1 484/98 ss <br /> Nivite as N. Jiswlvcd M353 2 -Automated Cadmium Rcdudion U mg/L 0.01 0 OS 4/24/98 ss <br />' Residue. Fiherablc (TDSI'f?.I SOC M160.1-Gmvimetric 560 mg/L IO 20 4/?9/98 sts <br /> Residue. Nnn-Fihaable (TSSI ~u 103-iC M160.2 - Gravimetric U mg/L 5 20 4/27/98 bk/cj <br /> Sodium Absorption Ratio in Water USGS - 11738J8 2.52 0.03 0.1 i 5/13/98 talc <br /> Sulfate M775.3-Gravimeuic 200 mg/L 10 20 5/i/98 bk <br />' TDS (calculmed) Calculation 556 mg/L 10 50 5/13/98 talc <br /> TDS (ratio - mensured/calculated) Calculation 1.01 5/13/98 tale <br /> <br />' ., ~ r.,. ~ , ' <br /> U = Analyze ~cns analyzed for but not detested a[ the indicated MDL j <br /> B =.4nalyte concemmtion detected at a value between MDL and PQL /,//~~ <br /> ~n <br />' PQL =Practical Quantization Limit Vice President of Operations: Ralph Paulsen <br /> REPIN701 03.95.01 Pages 1 of 1 <br /> <br />