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Table 7-11. Chemical Analysis of Groundwater • <br />From Trout Creek Sandstone <br />Seneca II Mine, Routt County, Colorado. <br />Well No. GW-S5 GW-S5 <br />Aquifer: Trout Creek Sandstone <br />DatQ of Collection S/B/80 12/5/80 <br />Analysist Peabody Peabody <br />FIELD PARAMETERS <br />_ Temperature (oC) 11.0 <br />Conductivity (umhos/an @ 25° C) <br />pH (units) <br />LABORATORY PARAMETERSI <br />Acidity (as CaC03)2 <br />Alkalinity (as CaC03) 334.0 320.0 <br />Alkalinity, Bicarbonate (as CaC03) 320.0 <br />Alkalinity, Carbonate (as CaC03) 0.0 <br />Aluminum, Total 0.2 0.2 <br />Antimony 0.002 0.002 <br />Arsenic 0.001 <br />Barium 0.2 0.2 <br /> <br />Boron <br />0.244 • <br />0.297 <br />Cadmium 0.002 0.002 <br />Calciian 41.0 49.0 <br />Chloride 6.0 6.0 <br />Chromium 0.02 0.04 <br />COD <br />Conductivity (umhos/an @ 25° C) 1230.0 1150.0 <br />Copper 0.02 0.02 <br />Fluoride 0.25 0.24 <br />Hardness, Total 181.0 <br />Hardness, Non-carbonate <br />Hydroxide <br />Iron, Total 0.12 0.19 <br />Iron, Dissolved 0.02 0.15 <br />Lead 0.02 0.02 <br />Magnesium 20.0 24.0 <br />Manganese, Total 0.03 <br />Manganese, Dissolved 0.02 0.02 <br />Manganese, Suspended <br />Mercury (ug/1) 0.02 <br />Molybdenum 0.2 0.2 <br />Nickel 0.02 0.02 <br />Nitrogen - Kjeldahl 1.19 <br />Nitrogen -Ammonia 1.35 <br />Nitrate + Nitrite (as N) 1.42 2.70 • <br />Table 7-11 continued on next page. <br />7-36 Revised 5/27/81 <br />