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• i <br />PRGTY-1 Surface Water Site Purgatorie River Upstream <br /> <br /> STATISTICS <br />Parameters Year 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 Mean Minimum Maximum <br />Flow ds 169.0 73.8 147.0 280.0 17.6 24.8 56.0 178.5 53.5 92.1 190.0 116.6 17.6 280.0 <br />Flow, Minimum ds 98.0 19.7 16.1 15.3 9.6 19.1 55.0 35.0 69.1 37.44 9.6 98.0 <br />Flow, Maximum ds 245.0 150.2 396.0 19.8 37.0 153.0 302.0 72.0 115.0 190.0 168.00 19.8 396.0 <br />pH (field) standard 8.27 8.3 7.91 7.4 7.3 7.30 7.3 8.35 8.46 8.05 8.32 8.1 7.92 7.3 8.35 <br />pH, Minimum (field) standard 7.96 7.87 6.97 7.2 7.2 7.3 7.1 7.3 8.41 7.9 8.2 7.9 7.61 7.1 8.41 <br />H Maximum field standard 8.78 8.72 8.42 7.69 7.3 7.4 7.4 8.86 8.51 8.2 8.46 8.3 8.17 7.3 8.86 <br />H Lab standard 7.9 8.2 7.9 8.1 8.1 7.3 8.3 8.3 8.4 8.45 8.6 8.14 7.3 8.6 <br />Conductance umhoslen 333 240 335 394 321 355 313 317 230 307 348 440 327.75 240 394 <br />Conductance, Minimum umhos/cm 200 124 270 252 305 280 270 289 235 256 305 340 260.50 124.0 305 <br />Conductance, Maximum 510 346 411 620 337 435 357 345 425 358 440 540 427.00 337 510 <br />Conductive 25° umhostcm 328 295 225 414 364 315 282 363 344 385 504 347.18 225 385 <br />Temperature °c 16.9 9.9 10.6 7 5.5 6.8 12 11.35 5.8 8.85 12.55 10.7 9.83 5.5 16.9 <br />Temperature, Minimum oc 8.4 3 0.4 4.5 1.6 4.2 2.7 4.5 1.6 8.2 3.1 1.4 3.63 0.4 8.4 <br />Maximum <br />Temperature °c 26.9 21.1 20.8 8.5 9.4 9.6 19.3 21.5 10 9.5 20.6 20.3 16.46 9.4 26.9 <br />, <br />Cation-Anion Balance megn 2 1 -2 1.1 -1.9 3.9 0.1 -1.2 4.2 -0.55 1.8 0.77 -1.2 3.9 <br />Sum of Anions mean 0.08 3.28 2.5 4.3 4.1 3.3 3.35 4.3 3.4 4 5.4 3.46 0.08 5.4 <br />Sum of Cations meqA 0.12 3.36 2.4 4.4 4 3.5 3.34 4.2 3.7 3.95 5.6 3.51 0.12 5.6 <br />Dissolved Oxygen m 6.5 6.50 <br />Iron (total) mgn 1.22 1.57 1.44 0.22 0.16 0.35 0.21 0.32 0.11 7.19 1.28 0.16 7.19 <br />Iron (total recoverable) men 1.28 1.59 1.58 0.23 0.17 0.38 0.24 0.27 0.1 6.91 0.44 1.20 0.17 6.91 <br />Iron dissolved m 0.13 0.17 0.02 0.15 0.02 0.17 <br />TSS mgn 30 46 <5 <5 <5 <5 29.00 <5 46 <br />TDS @ 180C men 177 170 80 230 220 173 160 250 190 210 290 195.45 80 250 <br />TDS (calculated) men 186 49 130 235 217 178 177 230 186 216 298 191.09 49 235 <br />TDS Ratio Meas/Calc. m 1 1 1 0.98 1.02 0.97 0.9 1.09 1.02 1 0.97 1.00 0.9 1.09 <br />Total Alkalinity men 141 132 105 166 156 130 136 160 147 161 215 149.91 105 166 <br />Carbonate mgn 1 4 <2 <2 <2 <2 <2 <2 5 8 14 2.00 <2 14 <br />Bicarbonate m 140 129 105 166 156 130 137 160 141 153 201 147.09 105 201 <br />Nitrogen, ammonia men 0.07 0.05 <.05 0.12 0.1 <.05 0.06 0.14 0.0900 <.05 0.14 <br />Ammonia as N unionized men <.01 <.01 <.01 <.01 0.01 <.01 <.01 <br />Lead, (dissolved) men <.002 <.001 0.3 <.04 <.001 <.001 <.0001 <.04 <.04 <.04 0.3000 <.0001 0.3 <br />Manganese (total) men 0.042 0.072 0.075 0.027 0.022 0.039 0.014 0.031 0.019 0.22 0.034 0.054 0.022 0.22 <br />Manganese dissolved m 0.013 0.029 <.005 0.014 0.014 0.017 0.0074 0.008 0.014 0.012 0.01 0.01 <.005 0.029 <br />Selenium men <.001 <.001 <.001 <.001 <.001 <.002 <.001 <.04 <.001 <.001 0.00 <.001 <.04 <br />Sodium dissolved men 14.9 8.8 5.3 17.7 12 11 7.3 14.2 17.4 28.7 51 17.12 5.3 51 <br />Chloride men 2 1.7 <1 <1 3 2 1.5 4 4 6.5 12 4.08 <1 12 <br />Sulfate men 30 30 20 50 45 30 30 20 30 39 32.40 20 50 <br />Calcium dissolved men 42.6 44.6 34.4 52.9 51.7 45.3 47 53.7 44.5 28.7 48.6 44.91 34.4 53.7 <br />Magnesium (dissloved) men 9.9 8.8 6.3 12.4 10.4 9.6 8.2 11 8.8 7.8 11 9.47 6.3 11 <br />Potassium dissolved m 1.5 1.1 0.8 1.9 1.3 1.5 1.1 1.1 1.6 1.5 1.3 1.34 0.8 1.9 <br />Hydroxide men <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <br />Fluoride m <br />Mercury men 0.0002 <.0002 <br />SAR standard 0.54 0.31 0.22 0.57 0.41 0.4 0.26 0.63 1.08 1.74 0.62 0.22 1.08 <br />Zinc mgn 0.02 <.001 <.01 <.01 0.01 0.01 <.01 <.01 147 0.01 0.01 <.001 0.02 <br />Hardness 147 147 112 183 172 153 152 179 344 134 167 171.82 112 183