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ACZ <br />ACZ faborvlorirr, lnc. <br />• 30400 ObwnhiII Drive <br />Srramboat Springs, CO 80487 <br />[8001 334-5493 <br />KetT Coal Co. <br />P.O. Box 487 <br />Walden, CO 80480 <br />Jim Mossman <br />cc: Jay James <br />Lab Sample ID: L13393-0! <br />Client Sample ID: 300 <br />Client Project ID: <br />ACZ Report ID: RGg1520 <br />Date Sampled: q//0/97 /6:00 <br />Date Received: q/l4/97 <br />Date Reported: 4/22/97 <br />Sample Matriz: Surface Water <br />Field Data <br />Conductivity (Ficldl Field Meazurcment 1000 umhos/cm ~ 4/10/97 jm <br />pH (Field) Field Measurement 7.6 units 4/10/97 jm <br />Temperature (Field) Field Measurement 5.0 C 4!10!97 jm <br />Metals Anal sis <br />Calcium, dissolved M200.7 ICP 131.0 mg/L 0.2 I 4/14/97 kt <br />Iron, total M200.7 ICP 0.09 mg/L, 0.01 0.05 4/19/97 ss <br />Magnesium, dissolved M200.7 ICP 80.0 mg/L 0.2 ~ I 4/15/97 kr <br />Manganese, total M200.7 ICP 0.054 mg/L 0.005 0.03 4/19/97 ss <br />Potazsium, dissolved M200.7 ICP 3.7 mg/L 0.3 I 4/14/97 kr <br />Sodium, dissolved M200.7 ICP f23.0 mg/L 0.3 L 4/14197 kt <br />• Met® <br />Total Hot Plate Digcstion <br />Wet Chemist M30101CP 4/18/97 rd <br />Alkalinity az CaCO3 M310.1 <br />Bicarbonate az CaCO3 340 mg/L 2 10 4/15/97 jb <br />Carbonate as CaCO3 U mg/L 2 10 4/15/97 jb <br />Hydmzide as CaCO3 U mg/L 2 10 4/15/97 jb <br />Total Alkalinity 340 mg/L 2 10 4/15/97 jb <br />Cation-Anion Balance Calculation <br />Cation-Anion Balance -1.8 % 422!91 talc <br />Sum of Anions 19.30 merl/L 0.01 0.05 422/97 talc <br />Sum of Cations 18.60 mcq/L 0.01 0.05 4!22/97 talc <br />Chloride M323.2 - Colorimevic (RFA) 9 mg/L 1 5 4/18/97 hm <br />Hardncss az CaCO3 Calculation based on dissolved Mg 8: Ca 656 mg/L I 7 422/97 talc <br />Lab Filtration ••• 4/13/97 laa <br />Lab Filration & Acidification ••• 4/15/97 Iaa <br />Nitratc az N, dissolved M353.2 -Automated Cadmium Reduction 0.93 mg/L 0.02 0.1 4/I 3/97 hm <br />NivateMivite u N, dissolved M333.2 -Automated Cadmium Reduction 0.93 mg/L 0.02 0.1 4/15/97 hm <br />Nitrite az N, dissolved M353.2 -Automated Cadmium Reduction U mg/L 0.01 0.05 4115197 hm <br />Residue, Filterablc (TDS)©180C M160.1-Gravimetric 1190 mg/L 10 20 4/15/97 bgb <br />Residue, Non-Filterable (TSS) Q103-SC M160.2 - Gravimevic U mg/L 5 20 4/13/97 bgb <br />~.. <br />U =Analyte was analyzed for but not detected at the indicated MDL <br />B =Analyte conccnvaticn detected at a value between MDL and PQL i 5 . ~ ~ A 1 n ~r QVP <br />~PQL =Practical Quantization Limit mt~X <br />I Vicc President of Operations: Ralph Poulson <br />REPIN701.03.95.01 Page 1 of 2 <br />