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ACZ <br />ACZ Laboratories, lnc. Lab Sample ID: L/8011-0! <br />' <br />30400 ~awnhi/! Orivr Client Sample ID: 317 <br />StrambaN Springs, CO 80.187 Client Project ID: <br />(800) 33.1-5.793 ACZ Report ID: RG6)970 <br />1 Kerr Coal Co. Date Sampled: 4/7198 /1: /0 <br />P.O. Box 487 Date Received: 4/8198 <br />Walden, CO 80480 Date Reported: 4/11/98 <br />' <br />Jim Mossman <br />cc: Jay James Sample Matrix: Surface Water <br /> Field Data <br /> I• r <br /> ConduUivity lFitld) Field Meazurement 500 umhos/cm 4/7/98 jm <br />' pH (Field) Field Meazurement 8.1 uni¢ 4r1IGR Im. <br /> Ttmpcramre (Field) Field Measurtment 3.0 C 4/7/98 jm <br />' Metals Anal sis <br /> t <br /> <br /> Calcmm, dissolved h1200.7 1CP 58.2 mg/L 0.2 1 4/17/98 kr/ss <br />' Iron. total <br />Magnesium. dissolved h1200.7 ICP <br />h1200.7 ICP 0 SS <br />15.8 mg/L <br />mg/L 0.01 <br />02 0.05 <br />I 4/17/98 <br />4/17/98 kr <br />kr/ss <br /> Manganese. total M200.7 ICP 0091 mg/L 0.005 Q03 4/16/93 gg <br /> Potassium, dissokcd M200 7 ICP 3.4 mg/L 0.3 I 4/17/98 kr/ss <br />' Sodium. dissolvtd h400.71CP 70.9 mg/L 0.3 I 4/!7/98 kr/ss <br /> Metals Pre <br /> <br />Total Hot Plate Dieenion <br />M3010 ICP <br />4/16/98 <br />t <br />lea <br /> Wet Chemistry <br /> <br /> :Ukalinity as CaC07 MJI0.1 <br /> Bicarbonam m CaC03 210 mg/L 2 10 4/l 1/98 sts <br /> Carbonate as CaC03 U mg/L 2 10 4/I 1/98 sts <br /> Hvdro.ridt u CaC03 U mg/L 2 10 4/I 1/98 sts <br /> Total Alkalinin~ 210 mgt 2 10 4/I 1/98 srs <br /> Cation-Anion Balance Calculation <br /> Cation-Amon Balance -0.7 % 421/98 talc <br />' Sum of Anions 7.5 mcq/L 0.1 0.5 421!98 colt <br /> Sum ofCmions 7.4 meq/L 0.1 O.i 4/21/98 talc <br /> Cltlor~de h132i.2-Colorimevic (RFA) 7 mg/L 1 5 4/14/98 mh <br />' Hardness ss CaC03 Calculation hazed on dissolved Ca & Mg 210 mg/L I 7 421/98 talc <br /> Lab Filvaoon "• 4/9/98 rd <br /> Ltb Filtration d Acidilicmion •" 4/9/98 rd <br /> Numit az u. dissolved h13>3.2 -Automated Cadmium Reduction U mg/L 0.02 0.1 4/8/93 mh <br />' NnmteNnrim as N, dissolved M3i3.2 -Automated Cadmium Reduction U mg/L 0.02 0.1 4/8/93 mh <br /> Nitrite a N, dissolvtd M3i3 2 -Automated Cadmium Reduction U mg/L 0.01 0.05 4/8/93 mh <br /> Residue. Filmrablc (TDS) n180C M160.1 -Gravimevie 410 mg/L 10 20 4/9/98 cj <br />' Rtsdue.Non-FJtemble (TSS)(~il103-?C MI60.2-Gravimevie 6 B mg/L 5 20 4/14/98 sts <br />' ~ r <br />U =Analyte waa analyzed for but not detected at the indicated MDL <br />B =Analyte toncenvation detected at a value between MDL and PQL ~ Q/Q~ /~ <br />' PQL = Pranical Quantization Limit /f [r !/LtJ <br />Vice President of Operations: Ralph Paulsen <br />REPIN 101.03.9501 Page t of 2 <br />