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~ ~cz <br /> acz faboratarirs, lnc. Lab Sample ID: L18187-03 <br />' J04A0 DownhiD Drive Client Sample ID: 79-t5/ <br /> Steamboat Springs, CO 8P487 Client Project ID: <br /> (800) 33a-sr93 ACZ Report ID: RG66795 <br /> Kerr Coal Co. Date Sampled: 4/11/98 !4: / 0 <br /> P.O. Box 487 Date Received: 4/11/98 <br /> Walden, CO 80480 Date Reported: 5/11/98 <br />' 1im Mossman <br /> cc: Jay James Sample Matrix: Ground Water <br /> <br /> M <br />l <br /> eta <br />s Anal xis <br /> r r r <br /> Calcium, dissolved M200.71CP 46 mgJL I S 5/8/98 kr <br /> Iron, dissolved M200.71CP 0.02 B ma/l. 0.01 0.05 5/I/9R kr <br /> Magnesium, dissolved M200.71CP 13 mg/L I 5 5/8/96 kr <br /> Manganese, dissolved M200.71CP 0.024 B mg/L 0.005 0.03 5/1/98 kr <br /> Potassium, dissolved M200 71CP 4 B mg/L 2 5 5/8/96 kr <br /> Sodium, dissolved M200.71CP 204 mg/L 2 5 5/8/96 kr <br /> Wet Chemist <br /> r <br /> Alkalinity as CaC03 M2320B <br /> Bicarbonate u CaC03 508 mg/l- 2 10 4Rfi/98 srs <br />' Carbonate u CaC03 10 mg/L 2 10 426/98 sts <br /> Hydroxide u CaC07 U mg/L 2 10 486/98 sts <br /> Total Alkalinin~ 518 mg/L 2 10 486/96 sts <br /> Cation-Anion Balance Calculation <br /> Cation-Anion Balance -5.3 % 5/11/98 talc <br /> Sum of Onions 13.8 mcq/L 0.1 0.5 5/I 1/98 talc <br /> Sum of Cations 12.4 meq/L 0.1 0.5 5/11/98 talc <br /> Chloride M325 2 - Colorimevic (RFA) 99 mg/L I 5 429/98 mh <br /> Hardness u CaC03 Calculation based on dissolved Ca & Mg l68 mg/L I 7 5/I 1/98 talc <br /> Lab Filtration ••• 4/23/98 Ian <br /> Lab Filtration &.4ciditication ••• 4/23/98 laa <br />' Nitrate as N, dissolved M353.2 -Automated Cadmium Reduction U mg/L 0.02 0.1 4/27/96 mh <br /> NitrateMitrite u `l. dissolved M353 2 • Automated Cadmium Reduction U mg/L 0.02 0.1 4R3P98 mh <br /> Nitrite u N, dissolved <br />Residue. Filterable (TDS)@180C M353.2 -Automated Cadmium Reduction <br />MI60.1-GravimeVic U <br />680 mg/L 0.01 <br />mg/L 10 0.05 <br />20 483/98 <br />4/23/98 mh <br />cj <br /> Sulfate MJ75.3-Gravimevic 30 mg/L 10 20 4/28/98 sLs <br /> TDS (calculmed) Calculation 711 mg/L 10 50 5/I 1/96 talc <br /> TDS (ratio - measured/calculated) Calculation 0.96 5/11/98 talc <br />1 <br />1 <br />1~ <br />U =.4nalyrc ss as analyzed for but not detected at the indicated MDL <br />B = Analyze concentration detected at a value between MDL and PQL <br />PQL =Practical QuantiWtion Limit <br />REPIN701.03.95.01 Page 1 of 1 <br />Vice President of Operations: Ralph Poulson <br />