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~cz <br />ALZ labonvarier, loc. <br />30400 Down/u71 Dn"vc <br />Steamboat Springs, CO 80487 <br />_ (800) 334-5193 <br />Kerr Coal Co. <br />P.O. Box -137 <br />Walden, CO 80480 <br />Jim Mossman <br />Lab Sample ID: L13(47-0( <br />Client Sample ID: 300 <br />Client Project ID: <br />ACZ Report ID: RGJ1731 <br />Date Sampled: 3/?0/97 /{: 00 <br />Date Received: 3/?S/97 <br />Date Reported: {/8/97 <br />Sample Matrix: Surface Water <br />Conductivin iFicld) Field Meazurcmem 200 umhos/cm 7/2197 jm <br />pH (Field) Field Measurement 7.9 units ?q U97 jm <br />Temperature !Field) Field Measurement L0 C 3/2L97 jm <br />Metals Analysis <br />r t r <br />Calcium, dissolved M200.71CP 18.8 mg/L 0.2 I 4/4;97 ss <br />Imo, total recoverable M200.71CP 0.29 mg/L 0.01 0.05 3/31/97 jmr <br />Magnesium. dissolved M200.7 ICP 7.6 mg/L 0.2 I J/J/97 ss <br />Manganese. total recoverable M200.7 ICP 0.025 B mg/L 0.005 0.03 ?/31!97 jaw <br />Potazsium, dissolved M200.7 ICP 11.7 mg/L 0 3 I 4/4/97 ss <br />Sodium, dissolved M200.71CP 15.1 mg/L 0.3 1 J/J;97 ss <br />Metals Pre <br />t t <br />• Total Recoverable Digestion M3005 ICP 327/97 laa <br />Wet Chemistry <br />.4lkalinityazCaC03 M3I0.1 <br />Bicubonate az CaC03 <br />Carbonate y CaC03 <br />Hydroxide az CaC03 <br />Total Alkalinity' <br />Canon-Anion Balance Calculation <br />Cation-Anion Balance <br />Sum of Anions <br />Sum of Cations <br />Chloride M325.2 - Colorimetric (RFA) <br />Lab Filtration "• <br />Lab Filtration R Acidification ••• <br />Nitrate as N, dissolved M353.2 -Automated Cadmium Reduction <br />NinateMitntc ai V. dissolved M353.2 -Automated Cadmium Reduction <br />Nitrite az N. dissolved M353.2 -Automated Cadmium Reduction <br />Residue, Fihcmble (TDS)~~IBOC M160.1-Gravimetric <br />Residue.Non-Filterable (TSS)rr 103-SC M160.2-Gravimetric <br />Sodium Absorption Ratio m Water USGS -11738-76 <br />Sulfate M375.J - Gravimetric <br />TDS (calculated! Calculation <br />TDS (ratio - measured/calculated) Calculation <br />r <br />U = Analyze ss as analymd for but not detected at the indicated MDL <br />B = Anafyte concentration detected at a value between MDL and PQL <br />PQL =Practical Quantization Limit i <br />REPIN 101.03.95.01 Page 1 of 1 <br />81 mg/L 2 10 3(27/97 jb <br /> U mg/L 2 10 3/27/97 jb <br /> U mg/L 2 10 3/27/97 jb <br />81 mg/I. 2 10 3/27/97 jb <br />2.5 % 4!8/97 talc <br />2.41 meq/L 0.01 0.05 4/8/97 talc <br />2.53 mcq/L 0 01 0.05 4/8/97 talc <br />3 B mg/L I 5 328/97 hm <br /> 325/97 laa <br /> 3/25/97 laa <br />1.02 mg/L 0.02 0.1 325/97 jb <br />I.OS mPJL 0.02 O.l 3/25!97 lb <br />0.03 B mg/L 0.01 0.05 3/25/97 jb <br />170 mg/L 10 20 3/26/97 bgb <br />16 B mg/L 5 20 3/26197 bgb <br />0.75 0.03 O.15 4/8197 talc <br />30 mpJL 10 20 3/31/97 bgb <br />136 mg/L 10 50 4/8/97 talc <br />1.25 J/8/97 talc <br />-- .~Vi~J,,,z, <br />Vice President of Operations: Ralph Poulson <br />