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Acz <br />aczlabonuaier, lac. Lab Sample ID: L/1/86-OS <br />• 30400DownhiII Drive Client Sample ID: 317 <br />Steamboat Spnngr, CO 80487 Client Project ID: <br />(800) 3345493 ACZ Report ID: RG46343 <br />Kerr Coal Co. Date Sampled: 6//0/97 15:30 <br />P.O. Box 487 Date Received: 6/11/97 <br />Walden, CO 80480 Date Reported: 7/3/97 <br />Jim Mossman <br />cc: Jay James Sample Matrix : Surface Warer <br />Field Data <br /> <br />Conductiviry IFitld) Fitld Measurement 200 umhos/cm 6/10/97 jm <br />pH (Field) Field Measurement 8.5 uniu 6/ION7 jm <br />Temperature (Field) Field Measurement 17.0 C 6/101'97 jm <br />Metals Anal sis <br />Calcium, dissolved M200.71CP 36.4 mg/L 0.2 1 711/97 kr <br />Iron, total M200.7 ICP 0.66 mg/L 0.01 0.05 7/1/97 jaw <br />Magnesium, dissolved M200.7 ICP 9.4 mg/L 0.2 1 7/1/97 tr <br />Manganese, total M200.7 ICP 0.039 mg/L 0.005 0.03 629191 ss <br />Potassium, dissolved M200.7 ICP 3.0 mg/L 0.3 I 7/1/97 kr <br />Sodium, dissolved M200.71CP 23.7 mg/L 0.3 I 7/1/97 kr <br />• Metals Yrep <br />Total Hot PlTotal Hot Plate DigestionDigestion <br />Wet Chemist <br />6!30/97 laa <br /> <br />Alkalinity as CaC03 MJI0.1 <br />Bicarbonate as CaC03 178 mg/L 2 10 624/97 bm <br />Carbonate as CaC03 U mg/L 2 10 624/97 bm <br />Hydroxide u CaC03 U mg/L 2 10 624197 bm <br />Total Alkaliniry 178 mg/L 2 10 624/97 bm <br />Cation-Anion Balance Calculation <br />Cation-Anion Balance 3.0 % 7(3!97 talc <br />Sum of Anions 3.59 meq/I- 0.01 0.05 7l3N7 talc <br />Sum of Cations 3.81 meq/L 0.01 0.05 7!3/97 talc <br />Chloride M326.2 - Colorimetric (RFA) 1 B mg/L I 5 626/97 jb <br />Hardness as CaC03 Calculation based on dissolved Mg & Ca 135 mg/L I 7 7/3/97 talc <br />Lab Filtration '°• 6/13/97 laa <br />Lab Filtration & Acidificazion '•° 6/13/97 laa <br />Niuate as N, dissolved M363.2 -Automated Cadmium Reduttion U mg/L 0.02 0.1 6/14/97 ss <br />NitrateMivite as N, dissolved M363.2 - Automazed Cadmium Reduction U mg/L 0.02 0.1 6/14/97 ss <br />Nitri[e as N, dissolved M363.2 -Automated Cadmium Reduction U mg/L. 0.01 0.05 6/14/97 ss <br />Residuc, Filtereble (TDS)Q180C M160.1-Gravimetric 220 mg/L 10 20 6/1697 kr/bg <br />Residue, Non-Filterable (TSS) QI03-6C M160.2 - Grevimetrie 16 B mg/L 5 20 6/13/97 kr <br />a <br />U =Analyze was analyzed for but not detected a[ the indicated MDL <br />B = Anazytt concentration detected at a value between MDL and PQL ~ r I a~~~ O (~ !7 ~p <br />,PQL =Radical Quantization Limit F~ ~ 'f`or <br />Vice Resident of Operations: Ralph Poulson <br />REPIN[01.09.95.01 Page t of 2 <br />