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March 2005 Hayden Gukh I~adaut - 2004 Annua(Hydro(ogy Report I Page 9 - ~ TABLE 3 , SURFACE WATER ANALYTICAL LIST ' Analyte Phase Method Detection Llmit Units Field Measurements pH na direct measurement na units Conductivity na direct measurement na pS/cm Temperature na direct measurement na °C Trace Metals and MaJor Cations Aluminum total recoverable EPA 200.7, ICP 0.03 mgll Arsenic total recoverable EPA 200.8, ICP-MS 0.0005 mg/l Barium total recoverable EPA 200.7, ICP 0.003 mg/l Boron tlissolve0 EPA 200.7, ICP 0.01 mg/I Cadmium total recoverable EPA 200.8, ICP-MS 0.0001 mg/I Calcium dissolved EPA 200.7, ICP 0.2 mg/l Chromium III & VI -total recoverable EPA 200.7, ICP SM 3500Cr-D (Reza) 0.01 0,005 mg/l Copper total recoverable EPA 200.7, ICP 0.01 mg/I Iron dissolved and total recoverable EPA 200.7, ICP 0.01 mgll Lead total recoverable EPA 200.8, ICP-MS 0.0001 mgll Magnesium dissolved EPA 200.7, ICP 0.2 mgll Manganese dissolved and total recoverable EPA 200.7, ICP 0.005 mgll Mercury total recoverable EPA 245.1, CVAA 0.0002 mg/l Molybdeum total rewverable EPA 200.7, ICP 0.00 mg/I Nickel total recoverable EPA 200.7, ICP 0.01 mgll Potassium dissolved EPA 200.7, ICP 0.3 mg/I Selenium ~ total recoverable SM 31148, AA-Hydride 0.001 mg/I Silver fatal recoverable EPA 200.7, ICP 0.005 mg/I Sodium dissolved EPA 200.7, ICP 0.3 mg/I Zinc total recoverable EPA 200.7, ICP 0.01 mgA Inorganic and General Parameters Acidity as C6C0~ dissolved SM23108 2 mg/l Alkalinity as CaCO~ Bicarbonate Carbonate Hydroxide dissolved SM23208 2 mg/I Chloride dissolved EPA 325.2 1 mg/l Fluoride dissolved SM4500F-C 0.1 m9/I Nitate as N dissolved EPA 353.2 0.02 mg/I Nitrate/Nitrite as N dissolved EPA 353.2 0.02 mg/I Nitrite as N dissolved EPA 353.2 o.oi mg/l Nitrogen, ammonia total EPA 350.1 0.05 mg/I Orthophosphate dissoivetl EPA 365.1 0.01 mg/I Sulfate dissolved EPA 375.3 t0 mg/l Sulfde total EPA 376.2-Methylene Blue 0.05 mg/l Hardness as CaCOa calculation SM-23408 1 mg/I pH laboatory EPA 150.1 0.1 units Conductivity at 25°C laboratory EPA 120.1 1 mmhos/cm TDS at 180°C Residue, (Iterable EPA 160.1 10 mgll TSS at 105°C residue, non-filterable EPA 160.2 5 mg/I Sodium Absorption Ratio (SAR) calculation USGS 11738-78 Na unitless Cation/Anion Balance calculation Calculation Na percent Note: 1. na -not applicable I-Iydro-Environmental Solutions, Inc. 57 10~" Stnet, Suite B * P.O. Bax 772996 Steamboat Spriagr, CO 80477 (970) 846-5712