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Estimate of Constituent concentrations of Pump test water after dilution into <br />a specified volume of Laramie formation water <br />Inputs units Value <br />Base of Laramie ft 434 <br />Top of Water table ft 100 <br />Porosity of Laramie 0.15 <br />Pump test Vol gal 172,800 <br />Laramie dilution water gal 5,000,000 <br />Computed parameters units value <br />Thickness of Sat'd zone ft 334 <br />Surface area of affected <br />water in Laramie* acre 0.32 <br />Dilution factor 29.9:1 <br />* Assumes pump test water is uniformly diluted <br />through saturated thickness of Laramie <br />Well ID IS-003T I5-003Ta <br />Formation A2 Laramie <br />Collection date 8/12/2008 8/21/2008 <br />Constituent units <br />Computed by <br />mixing model <br />Bicarbonate mg/L 278 411 407 <br />Calcium mg/L 87 226 221 <br />Chloride mg/L 9 9 9 <br />Flouride mg/L 0.5 0.5 0.5 <br />Magnesium mg/L 29 66 65 <br />Potassium mg/L 7 15 15 <br />Silica mg/L 6.8 5.2 5.3 <br />Sodium mg/L 29 88 86 <br />Sulfate mg/L 107 479 467 <br />TDS (180 C) mg/L 405 1080 1,057 <br />Uranium (total) mg/L 0.259 0.0112 0.019 <br />Radium-226 pCi/L 15 4.7 5.0 <br />Attachment E