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Acz <br />ACZ labotowriu, lnc. <br />30000 Downhill Drivr <br />Strambom Spnnga, CO 80!87 <br />(800) 3345493 <br />Kerr Coal Co. <br />P.O. Box 487 <br />Walden, CO 80480 <br />Jim Mossman <br />cc: Jay James <br />Lab Sample ID: L13628-02 <br />Client Sample ID: 30! <br />Client Project !D: <br />ACZ Report !D: RC43525 <br />Date Sampled: 4/30/97 04:38 <br />Date Received: 5/2/97 <br />Date Reported: 5/!9/97 <br />Sample Matrix: Surface R'aler <br />Conductivity (Field) Field Measurement 500 umhos/cm 4/30/97 jm <br />pH (Ficld) Field Measuemenz 8.1 units 4/30/97 jm <br />Temperature (Field) Field Measurement 6.0 C 4/30/97 jm <br />Metals Anel sis <br />Iron, total M200.7 ICP 0.49 mg/L 0.01 0.05 5/12f97 tr <br />Manganese, total M200.71CP 0.026 B mg/L 0.005 0.03 5/9/97 jaw <br />Metals Pre <br />Total Hat Plate Digestion M30I0ICP 5/9/97 laa <br />Wet Chemistry <br />Lab Filvation ••• 32/97 rd <br />Rcsidue, Filterable (TDS)QIBOC MI60.1-Grevime[tic 500 mg/L 10 20 5/6/97 tw <br />Residue,Non-Filterable (TSS)Q10J-SC MI60.2-Grevimetric U mg/L 5 20 5/7/97 bgb/t <br />Residue, Settleable Matter (SS) M 160.5 -Volumetric U mL/lJh 0.1 0.5 5/5/97 bgb <br />r <br />'U = Analylc waz analyzed for but not detected at Ne indicazed MDL <br />B =Analyze concenvation de[ec[ed at a value bc[ween MDL and PQL <br />PQL =Practical Quantization Limit <br />REPIN701.03.95.01 Page f of 1 <br />~Pv <br />Vice President of Operations: Ralph Poulson <br />