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March 2005 Hayden Gulch Loadout - 2004 Annua! Hydrology Report ~ Page f0 <br />- ~ -TABLE 4 <br />'GROUNDWATER ANALYTICAL LIST <br />Analyte Phase Method Detect(on limit Units <br />Fieltl Measurements <br />pM na tlirect measurement Na units <br />Conductivity na tlirect meawrement Na pSlcm <br />Temperature na direct measurement Na °C <br />Trace Metals and Major Cations <br />Aluminum tlissolvetl EPA 200.7, ICP 0.03 mg/l <br />Arsenic dissolved EPA 200.8, ICP-MS 0.0005 mgfl <br />Barium dissolved EPA 200.7, ICP 0.003 mg/I <br />Boron dissolved EPA 200.7, ICP 0.01 mgll <br />Cadmium dissolved EPA 200.8, ICP-MS 0.0001 mg/I <br />Calcium dissolved EPA 200.7, ICP 0.2 mg/l <br />Chromium III&VI-dissolved <br />(valences wmbined) EPA 200.7, ICP 0.01 mg/l~ <br />Copper tlissolved EPA 200.7, ICP 0.01 mgrl <br />Iron tlissolved EPA 200.7, ICP 0.01 mg/I <br />Lead dissolved EPA 200.8, ICP-MS 0.0001 mg/l <br />Magnesium dissolved EPA 200.7, ICP 0.2 mg/I <br />Manganese tlissolved EPA 200.7, ICP 0.005 mgll <br />Malybdeum dissolved EPA 200.7, ICP 0.01 mgll <br />Mercury dissolved EPA 245.1, CVAA 0.0002 mgfl <br />Nickel dissolved EPA 200.7, ICP 0.01 mg/I <br />Potassium dissolved EPA 200.7, ICP 0.3 mgll <br />Selenium dissolved SM 3114 B, AA-Hydride 0.001 mgll <br />Silver dissolved EPA 200.7, ICP 0.005 mgll <br />Sodium tlissolved EPA 200.7, ICP - 0.3 mgll <br />Zinc dissolved EPA 200.7, ICP 0.01 mgn <br />Inorganic antl General Parameters <br />Acidity a5 CaCOo dissolved SM23108 2 mg/l <br />Alkalinity as CaCO~ <br />Bicarbonate <br />Carbonate <br />Hydroxide dissolved SM23208 2 mgn <br />Chloride dissolvetl EPA 325.2 1 mg/l <br />Fluoride dissolved SM4500F-C 0.1 mgll <br />Nitrate as N dissolved EPA 353.2 0.02 mgfl <br />Nitrate/Nitrate as N tlissolved EPA 353.2 0.02 mgll <br />Nitrite as N tlissolved EPA 353.2 0.02 mg/l <br />Nitrogen, ammonia tlissolved EPA 350.1 0.05 mgfl <br />Orthophosphate tlissolved EPA 385.1 0.005 mryI <br />Sulfate dissclvetl EPA 375.3 10 mgll <br />Sulfide total EPA 376.2, Methylene Blue 0.02 mg11 <br />Hardness as CaCO, calculation SM234o8 1 mg/l <br />pH laboratory EPA 150.1 0.1 units <br />Conductivity at 25°C laboratory EPA 120.1 1 mmhos/cm <br />TDS at 180°C residue, filterable EPA 160.1 70 mg/I <br />TSS at 105°C residue, filterable EPA 160.2 5 mg/I <br />Sodium Absorption Ratio <br />(SARj calculation USGS 11738-78 na uni[Iess <br />CationlAnion Balance calculation Calculation na percent <br />Note: 1. na-not applicable <br />Hydto-Environmental Solutions, Inc. <br />57 >O!e Street, Srnte B * P.O. Bax 772996 <br />SteamLoat Sp>ingg CO 80477 <br />(9707 84ri-5712 <br />