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March 2007 Hayden Gukh Loadaut - 2006AnnnalHydrslogy Report ~ Page 10 <br />TABLE 4 <br />GROUNDWATER ANALYTICAL LIST <br />Analyte Phase Method Detection Limit Units <br />Field Measurements <br />pH na direct measurement Na units <br />Conductivity na direct measurement Na NS/cm <br />Temperature na direct measurement Na °C <br />Traca Metals and MaJor Cations <br />Aluminum dissolved EPA 200.7, ICP 0.03 mg/l <br />Arsenic dissolved EPA 200.8, ICP-MS 0.0005 mg/l <br />Boron dissolved EPA 200.7, ICP 0.07 mg/I <br />Cadmium dissolved EPA 200.8, ICP-MS 0.0001 mg/I <br />Calcium dissolved EPA 200.7, ICP 0.2 mg/I <br />Chromium III & VI -dissolved <br />(valences combined) EPA 200.7, ICP 0.01 mg/l <br />Copper dissolved EPA 200.7, ICP 0.01 mg/I <br />Iron dissolved EPA 200.7, ICP 0.07 mgll <br />Lead dissolved EPA 200.8, ICP-MS 0.0001 mgA <br />Magnesium dissolved EPA 200.7, ICP 0.2 mqA <br />Manganese dissolved EPA 200.7, ICP 0.005 mgA <br />Mercury dissolved EPA 245.1, CVAA O.DW2 mg/1 <br />Nickel dissolved EPA 200.7, ICP 0.07 mg4 <br />Potassium dissolved EPA 200.7, ICP 0.3 mgA <br />Selenium dissolved SM 3114 8, AA-Hydride 0.007 mgll <br />Silver dissolved EPA 200.7, ICP 0.005 mq/I <br />Sodium dissolved EPA 200.7, ICP 0.3 mg/I <br />Zinc dissolved EPA 200.7, ICP 0.01 mg/I <br />Inorganic and General Parameters <br />Alkalinity as CaCO~ <br />Bicarbonate <br />Caroonate <br />Hydroxide dissolved SM23206 2 mgll <br />Chloride dissolved EPA 325.2 1 mg/l <br />Fluoride dissolved SM4500F-C 0.1 mgll <br />NiVate as N dissolved EPA 353.2 0.02 mgA <br />NiVate/Nitrite as N dissolved EPA 353.2 0.02 mgA <br />Nitrite as N dissolved EPA 353.2 0.02 mg/I <br />Nitrogen, ammonia dissolved EPA 350.1 0.05 mgll <br />Sulfate dissolved EPA 375.3 70 mg/I <br />Sulfide total EPA 376.2, Methylene Blue 0.02 mg/I <br />Hardness as CaCO, calculation SM23408 1 mgA <br />pH laboratory EPA 150.1 0.1 units <br />Conductivity at 25°C laboratory EPA 120.7 7 pS/cm <br />TDS at 180°C residue, filterable EPA 160.1 10 mgA <br />TSS at 105°C residue, filterable EPA 780.2 5 mg/I <br />Sodium Absorption Ratio <br />(SAR) calculation USGS 17738-78 na unitless <br />CatioNAnion Balance calculation Calculation na percent <br />Note: na -not applicable <br />Hydro-Environmental Solutions, Inc. <br />P.O. Bax 772996 <br />SI 1 db Stnet, Surte B <br />SteombaaY Spnagg CO 80477 <br />(970) 87>-6125 <br />