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March 2007 Hayden Gukh L.oadout -1006 Annual Hyrlrnlagy Report ~ Poge 9 <br />TABLE3 <br />SURFACE WATER ANALYTICAL LIST <br />Analyte Phase Method Detection Limit Units <br />Fleld Measurements <br />pH na tlirect measurement na units <br />Conductivity na direct measurement na p5/un <br />Temperature na direct measurement na °C <br />Trace Metals and MaJor Cations <br />Arsenic total recoverable EPA 200.8, ICP-MS 0.0005 mg/I <br />Boron dissolved EPA 200.7, ICP 0.07 mg/I <br />Catlmium potentally dissolved EPA 200. B, ICP-MS 0.0001 mg/I <br />Calcium dissolved EPA 200.7, ICP 0.2 mgll <br />Chromium III 3 VI -potentially dissolved EPA 200.7, ICP <br />SM 35000r-D (Hexa) 0.01 <br />0.005 mg/I <br />Copper potentially dissolved EPA 200.7, ICP 0.01 mgn <br />Iron dissolved and total recoverable EPA 200.7, ICP 0.01 mgA <br />Lead potentially dissolved EPA 200.8, ICP-MS 0.0001 mg/l <br />Magnesium dissolved EPA 200.7, ICP 0.2 mg/l <br />Manganese tlissolved, potentially dissolved <br />antl total recoverable EPA 200.7, ICP 0.005 mgll <br />Mercury total EPA 245.1, CVAA 0.0002 mgll <br />Nickel potentally tlissolved EPA 200.7, ICP 0.07 mg/l <br />Potassium dissolved EPA 200.7, ICP 0.3 mgll <br />Selenium potentially dissolved SM 31148, AA-Hydntle 0.001 mq/I <br />Silver potentially tlissolved EPA 200.7, ICP 0.005 mg/l <br />Sodium dissolved EPA 200.7, ICP 0.3 mgll <br />Zinc potentially dissolved EPA 200.7, ICP 0.01 mgA <br />Inorganic antl General Parameters <br />Alkalinity as CaC03 <br />Bicarbonate <br />Carbonate <br />Hydroxide dissolved SM23208 2 mgll <br />Chloride dissolved EPA 325.2 1 mg/I <br />Fluoride dissolved SMa500F-C 0.7 mg/l <br />Nitrate as N dissolved EPA 353.2 0.02 mg/I <br />Nitrate/NiMte as N dissolved EPA 353.2 0.02 mg/l <br />Nilrita as N dissolved EPA 353.2 0.01 mgll <br />Nitrogen, ammonia total EPA 350.1 0.05 mg/I <br />Sulfate dissolved EPA 375.3 10 mg/l <br />SWftle total EPA 376.2-Methylene <br />Blue 0.05 mgll <br />HaNness as CaCO, calculation SM-2340B 1 mg/I <br />pH laboratory EPA 150.1 0.1 units <br />Contlucfivity at 25°C laboratory EPA 120.1 1 pS/~ <br />TDS at 180°C Residue, 511e2b1e EPA 180.1 10 mgll <br />TSS at t05°C residue, no~Rerable EPA 180.2 5 mgll <br />Sodium Absorption <br />Ratio (SAR) calculation USGS 11738-78 Na uni0ess <br />Cation/Anion Balance calculation Calculalion Na percent <br />Note: na -not applicable <br />Hydro-Environmental Solutions, Inc. <br />P.O. Bax 771996 <br />57 10t° Slrett, Suite B <br />Steamboat Springy, CO 80477 <br />(970) 871-6125 <br />