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AC3Z Laboratories, Inc. <br />Bowie Resources, LLC <br />Project ID: MINE FLOW 2009 <br />Sample ID: SAMPLE #5 <br />ACZ Sample ID: L76858-04 <br />Date Sampled: 07107109 12.00 <br />Date Received: 07110109 <br />Sample Matrix: Surface Water <br />Wet Chemistry <br />Parameter 1 Method <br />EPA Result e e Units MDL . r, Date Ana yst <br />Alkalinity as CaC03 SM2320B - Titration <br />Bicarbonate as 2660 mg/L 2 20 07/16/09 0:00 jff <br />CaC03 <br />Carbonate as CaC03 144 mg/L 2 20 07/16109 0:00 jlf <br />Hydroxide as CaC03 U mg/L 2 20 07/16/09 0:00 jff <br />Total Alkalinity 2810 mg/L 2 20 07/16/09 0:00 jff <br />Chloride SM45000I-E 380 * mg/L 10 50 07/20/0914:17 aml <br />Conductivity @25C SM2510B 5290 umhos/cm 1 10 07/15/09 0:00 abm <br />Hardness as CaC03 SM2340B - Calculation 34 mg/L 1 7 07/23/09 11:37 talc <br />(total recov.) <br />Lab Filtration SM 3030 B * 07/10/09 15:38 jjc <br />Nitrate as N, dissolved Calculation: N03NO2 minus N02 U mg/L 0.02 0.1 07/23/09 11:37 talc <br />Nitrate/Nitrite as N, M353.2 - Automated Cadmium 0.02 BH mg/L 0.02 0.1 07/10/09 23:00 pjb <br />dissolved Reduction <br />• Nitrite as N, dissolved M353.2 - Automated Cadmium <br />Reduction 0.02 BH mg/L 0.01 0.05 07/10/09 23:00 pjb <br />pH (lab) SM4500H+ B <br />pH 8.7 H units 0.1 0.1 07/15/09 0:00 abm <br />pH measured at 22.0 C 0.1 0.1 07/15/09 0:00 abm <br />Phosphate Calculation based on Ortho 0.15 mg/L 0.03 0.15 07/23/09 11:37 talc <br /> Phosphorus <br />Phosphorus, ortho M365.1 -Automated Ascorbic 0.05 BH mg/L 0.01 0.05 07/14/09 19:14 pjb <br />dissolved Acid <br />Residue, Filterable SM2540C 3490 mg/L 10 20 07/10/09 18:20 jjc <br />(TDS) @180C <br />Residue, Non- SM2540D U mg/L 5 20 07/10/09 21:33 jjc <br />Filterable (TSS) <br />@105C <br />Sodium Absorption USGS - 11738-78 112 0.03 0.15 07/23/09 11:37 talc <br />Ratio in Water <br />Sulfate 375.4-Turbidimetric U mg/L 1 5 07/17/0914:12 aml <br />.7 <br />REPIN.02.06.05.01 * Please refer to Qualifier Reports for details. <br />Page 10 of 28