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AraZ Laboratories, Inc. <br />2773 nnwnhill nrive Steamboat Sorinas. CO 80487 1800) 334 -5493 <br />Kerr Coal Company <br />Project ID: <br />Sample ID: AP -1 <br />ACZ Sample ID <br />Date Sampled <br />Date Received <br />Sample Matrix <br />L84991 -01 <br />10120110 12:05 <br />10/21/10 <br />Ground Water <br />Field Data <br />Parameter <br />EPA Method <br />Result <br />Qual <br />X0 Units <br />MDL <br />POL <br />Date Ana <br />lyst <br />- Conductivity (Field) <br />Field Measurement <br />600 <br />umhos /cm <br />10/20/10 12:05 <br />jm <br />- pH (Field) <br />Field Measurement <br />7.8 <br />units <br />10/20/10 12:05 <br />jm <br />Temperature (Field) <br />Field Measurement <br />12.0 <br />C <br />10/20/10 12:05 <br />jm <br />Metals Analysis <br />Parameter <br />EPA Method <br />Qual <br />XO Units <br />MDIL <br />POL <br />Date Analyst <br />- Calcium, dissolved <br />M200.7 ICP <br />--Resullt <br />45.1 <br />mg /L <br />0.2 <br />1 <br />10/28/10 18:40 <br />ear <br />- Iron, dissolved <br />M200.7 ICP <br />0.14 <br />mg /L <br />0.02 <br />0.05 <br />10/28/10 18:40 <br />ear <br />,. Magnesium, dissolved <br />M200.7 ICP <br />36.2 <br />mg /L <br />0.2 <br />1 <br />10/28/10 18:40 <br />ear <br />Manganese, dissolved <br />M200.7 ICP <br />0.468 <br />mg /L <br />0.005 <br />0.03 <br />10/28/10 18:40 <br />ear <br />Potassium, dissolved <br />M200.7 ICP <br />0.7 <br />B <br />mg /L <br />0.3 <br />2 <br />10/29/10 11:36 <br />ear <br />Sodium, dissolved <br />M200.7 ICP <br />18.3 <br />mg /L <br />0.3 <br />2 <br />10/29/10 11:36 <br />ear <br />Wet Chemistry <br />Parameter <br />EPA Method <br />Result <br />Oual <br />XO Units <br />MDL <br />POL <br />Date Analyst <br />Alkalinity as CaCO3 <br />SM2320B - Titration <br />- Bicarbonate as <br />309 <br />mg /L <br />2 <br />20 <br />10/23/10 0:00 <br />Ihb <br />CaCO3 <br />Carbonate as CaCO3 <br />6 <br />B <br />mg /L <br />2 <br />20 <br />10/23/10 0:00 <br />Ihb <br />Hydroxide as CaCO3 <br />U <br />mg /L <br />2 <br />20 <br />10/23/10 0:00 <br />Ihb <br />- Total Alkalinity <br />315 <br />mg /L <br />2 <br />20 <br />10/23/10 0:00 <br />Ihb <br />Cation -Anion Balance <br />Calculation <br />Cation -Anion Balance <br />-6.3 <br />% <br />11/02/10 11 :18 <br />calc <br />Sum of Anions <br />6.8 <br />meq/L <br />0.1 <br />0.5 <br />11/02/10 11:18 <br />calc <br />Sum of Cations <br />6.0 <br />meq/L <br />0.1 <br />0.5 <br />11/02/10 11:18 <br />talc <br />Chloride <br />SM4500CI -E <br />4 <br />B <br />mg /L <br />1 <br />5 <br />11/01/1013:05 <br />itk <br />Hardness as CaCO3 <br />SM2340B - Calculation <br />262 <br />mg /L <br />1 <br />7 <br />11/02/10 11:18 <br />calc <br />Lab Filtration <br />SM 3030 B <br />10/21/10 14:17 <br />abm <br />Lab Filtration & <br />SM 3030 B <br />10/21/10 14:30 <br />abm <br />Acidification <br />Nitrate as N, dissolved <br />Calculation: NO3NO2 minus NO2 <br />0.16 <br />mg /L <br />0.02 <br />0.1 <br />11102110 11:18 <br />calc <br />Nitrate /Nitrite as N, <br />M353.2 - Automated Cadmium <br />0.16 <br />mg /L <br />0.02 <br />0.1 <br />10/21110 21:05 <br />pjb <br />dissolved <br />Reduction <br />Nitrite as N, dissolved <br />M353.2 - Automated Cadmium <br />U <br />mg /L <br />0.01 <br />0.05 <br />10/21/10 21:05 <br />pjb <br />Reduction <br />- Residue, Filterable <br />SM2540C <br />350 <br />mg /L <br />10 <br />20 <br />10/22/10 12:32 <br />abm <br />(TDS) @180C <br />Sodium Absorption <br />USGS - 11738 -78 <br />0.49 <br />0.03 <br />0.15 <br />11/02/10 11:18 <br />calc <br />Ratio in Water <br />Sulfate <br />SM4500 SO4 -D <br />20 <br />B <br />* mg /L <br />10 <br />50 <br />10/29/10 11:00 <br />abm <br />TDS (calculated) <br />Calculation <br />317 <br />mg /L <br />10 <br />50 <br />11/02/10 11:18 <br />calc <br />TDS (ratio - <br />Calculation <br />1.10 <br />11/02/10 11:18 <br />calc <br />measured/calculated) <br />REPIN.02.06.05.01 ' Please refer to Qualifier Reports for details. <br />Page 2 of 10 <br />