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' ACZ <br />ACZ laboralaries, Inc. Lab Sample ID: L(818j-0! <br />' J0000 Downhill Drive Client Sample ID: 317 <br />Slramboar Springs, CO 80087 Client Project ID: <br />laoo/ 33a-sa93 ACZ Report ID: RG67370 <br />' Kerr Coal Co. Date Sampled: 4/28/98 13:00 <br />P.O. Box 487 Date Received: 4/29/98 <br />Walden, CO 80480 Date Reported: S/!S/98 <br />Jim Mossman <br /> Sample Matrix: Surjace Water <br />' Field Data <br />r I <br /> I <br />Conduuivirt' (Field) Field Measutemcm 600 umhoslcm 4f28l96 jm <br /> pH (Field) Field Mcazurement 7.9 units 488/98 jm <br /> temperature (Field) Field Meazurcment 10.0 C 4/28/98 jm <br />ivterals nnatysrs <br /> <br /> <br />' <br /> <br /> <br />t Calcium, dissolved <br />Iron, total <br />Magnesium. dissolved <br />Manganese. total <br />Potazsium. dissolved <br />Sodium, dissolvcd <br />Metals Pre M200.71CP <br />M200.71CP <br />M200.7 ICP <br />M200.7 ICP <br />M200.71CP <br />M200.71CP 66.1 <br />0.24 <br />17.0 <br />0.077 <br />2.4 <br />73.6 mg/L <br />mg/L <br />mg/L <br />mg/L <br />mg/L <br />mg/L 0.2 <br />0.01 <br />0.2 <br />0.005 <br />0.7 <br />0.7 <br /> <br />t I <br />0.05 <br />I <br />0.03 <br />I <br />I 5/6/96 <br />5/8/96 <br />5/tiNB <br />5/8/98 <br />5/6/98 <br />5/6!96 tr <br />kr/ss <br />kr <br />kr/ss <br />kr <br />kr <br /> Total Hot Plate Digestion M70101CP 5/7/98 laa <br /> Wet Chemistr <br />' Alkalininas CaC03 M310.1 <br /> Bicarbonate as CaC03 260 mg/L 2 10 5/6/98 sts <br /> Carbonate a CaC03 U mg/L 2 10 5/6/98 sts <br /> H~drovide as CaC03 U mg/L 2 10 5/6/98 51s <br />' Total AlAalinity 260 mg/L 2 10 5/6/98 sa <br /> Calton-Anion Balance Calculation <br /> Cation-Anton Balance -1.2 % 5/15!98 talc <br /> Sum or Anions B.2 meq/L 0.1 0.5 5115198 talc <br /> Sum o(Cations B.0 meq/L 0.1 0.5 5/15/98 talc <br /> Chloride M325.2-Colarimevic (RFA) 3 B mg/L I 5 i/13/98 rah <br /> Hardness as CaC03 Calculation hazed on dissolvcd Ca & Mg 235 mg/L I 7 5/15/98 talc <br />' Lab Filtration ••• 4/30/96 laa <br /> Lab FIIlrmion 3 AcidiFlcation •'• 4/70/98 laa <br />' nitrate as N. dusoWed <br />Nitrate/Nitrite u N, dissolved M353.2 - Automated Cadmium Reduction <br />M353.2 -Automated Cadmium Reduction U <br />U mg/L <br />mg/L 0.02 <br />0.02 0.1 <br />0.1 5/5798 <br />5/5/96 ss <br />ss <br /> Nitrite az N. dissolved MJ53.2 -Automated Cadmium Reduction U mg/L 0.01 0.05 4/29/98 rah <br /> Residue. F~Iterable (TDS)@ISOC MIfiOI-Gravimetrie 480 mg/L 10 20 5/1198 cj <br /> Residue.Nun-Filterable (TSS)©103-SC M1fi0.2-Gravimetric U mg/L 5 20 5/4/98 cj <br /> r <br /> U =.4nalyte svaz analyzed for but not detected a[ the indicated MDL <br />B = Analytc conccn[ration detected at a value between MDL and PQL <br />~, / <br />Y <br />~~ <br /> PQL =Practical Quantization Limit <br />' Vice President of Operations: Ralph Poulson <br /> REPIN 101 03.95.01 Page 1 of 2 <br /> <br />