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Acz <br />ACZ Labarwnnet, /^r• Lab Sample ID: L/4121-01 <br />30000 Qownhill Drivr Client Sample ID: 327 <br />• Sreambom Springs, CO 80487 Client Project [D: <br />(800) JJ4-5493 ACZ Report ID: RG4752! <br />Kerr Coal Co. Date Sampled: 6/14/97 /3:15 <br />P.O. Box 487 Date Received: 6/15/97 <br />Walden, CO 80480 Date Reported: 7/1!/97 <br />Jim Mossman <br />cc: Jay James Sample Matrix: Surface Water <br /> Conductivity (Field) Field Meazurcment 200 umhos/cm 684/97 jm <br /> pH (Field) Field Meazuremcnt 8.2 uni¢ 6!14/97 jm <br /> Temperaturc (Field) Field Meazurcment 20.0 C 624/97 jm <br /> Metals Anal sis <br /> Calcium, dissolved M200.71CP 38.2 mg/L 0.2 I 7/19/97 ss <br /> Iron, total M200.7 ICP 0.53 mg/L 0.01 0.05 7/8/97 ss <br /> Magnesium. dissolved M200.71CP 8.6 mg/L 0.2 I 7/19/97 ss <br /> Manganese, total M200.7 ICP 0.028 B mg/L 0.005 0.03 7/8/97 ss <br /> Po[azsium, dissolved M200.7 ICP 2.1 mg/L 0.3 I 7/19/97 ss <br /> Sodium, dissolved M200.71CP 15.0 mg/L 0.3 I 7/19/97 ss <br /> Metals Pre <br />• <br /> Total Hot Plate Digestion M3010 ICP 7/I 1/97 tw <br />Wet Chemist <br />Alkalinity az CaC03 M3I0.1 <br />Bicarbonatc az CaC03 155 mg/L 2 10 7/8/97 gm <br />Carbonate az CaC03 U mg/L 2 10 7/8/97 gm <br />Hydroxide az CaC03 U mg/L 2 10 7/8/97 gm <br />Total Alkalinity 155 mg/L 2 IO 7/8/97 gm <br />Cation-Anion Balance Calculation <br />Cation-Anion Balance 3.6 °/. 721/97 talc <br />Sum of Anions 3.10 mcq/L 0.01 0.05 721/97 talc <br />Sum ofCa[ions 3.33 meq/L 0.01 0.05 721/97 talc <br />Chloride M325.2 -Colorimetric (RFA) U mg/L 1 5 7/16/97 jb <br />Hardncss as CaC03 Calculation bazcd on dissolved Ca & Mg 131 mg/L I 7 7R 1/97 talc <br />Lab Filtration •°• 6/26/97 laa <br />Lab Filtration & Acidification '°• 626/97 laa <br />Nitrate az N, dissolved M353.2 -Automated Cadmium Reduction 0.02 B mg/L 0.02 0.1 625/97 jb <br />Nitatc/Nizritc az N, dissolved M353.2 - Automaed Cadmium Reduction 0.02 B mg/L 0.02 0.1 625/97 jb <br />Nitrite az N. dissolved M353.2 -Automated Cadmium Reduction U mg/L 0.01 0.05 625/97 jb <br />Residue, Filterable (TDS)QISOC MI60.1-Gravimetric 170 mg/L 10 20 626/97 kr <br />Residue. Non-Filterable (TSS) (u}103-SC MI60.2 - Gravimetric 10 B mg/L 5 20 626/97 kr <br />s <br />• U =Analyte was analyzed for but not dc[ccted at [he indicated MDL // <br />B =Analyte concenuation detected at a value bctween MDL and PQL /// ~~_ ~ /}~ <br />PQL =Practical Quantization Limit ~~ V 'H~ <br />Vice President of Operations: Ralph Poulson <br />REPIN101.03.95.01 Page t of 2 <br />