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• • • <br />LC-2 Surface Water Site Lorencito Canyon Upstream <br /> STATISTICS <br />Parameters Year 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 Mean Minimum Maximum <br />Flow ds 1.9 0.4 0.5 3.1 2.1 0.7 1.7 1.8 6.3 0.3 0.5 0.6 1.6 0.4 6.3 <br />Flow, Minimum afs 0.5 0.3 0.3 0.5 0.6 0.3 0.4 0.3 3.9 0.2 0.4 0.3 3.9 <br />Flow, Maximum crs 2.8 0.7 0.7 5.7 3.6 1.2 3.5 3.2 8.6 0.3 0.9 0.6 0.7 8.6 <br />pH (field) standard 8.05 8.36 8.41 7.4 7.4 7.80 7.8 8.56 8.74 8.34 8.31 8.49 8.14 7.4 8.74 <br />pH, Minimum (field) standard 6.74 8.16 8.24 7.3 7.3 7.5 7.2 8.4 8.37 8.1 8.2 8.45 7.2 8.4 <br />H Maximum field standard 8.62 8.75 8.7 7.5 7.5 8.1 8.2 8.69 9.1 8.57 8.51 8.53 7.5 9.1 <br />H Lab standard 8.4 8.3 8.1 8.1 7.9 8.45 8.6 8.4 8.5 8.5 8.33 7.9 8.6 <br />Conductance umhos/cm 405 426 507 381 407 487 1017 743 1135 741 1048 1006 691.92 381 1135 <br />Conductance, Minimum umhos/cm 290 312 386 356 366 452 698 665 677 630 870 963 290.0 870 <br />Conductance, Maximum 480 490 623 406 448 512 1513 807 1594 853 1162 1050 406 1594 <br />Conductive 25° umhos/cm 479 452 441 542 1690 990 666 642 628 1030 897 768.82 441 1690 <br />Temperature °c 17.6 15.1 17.3 8 7.3 6.9 16.2 12.2 8.5 10.9 14.25 12.3 12.21 8 17.6 <br />Temperature, Minimum °c 13.9 4.4 7.3 4.7 2.7 4.3 6 3.6 5.8 9.3 2.4 1.7 2.4 13.9 <br />Temperature °c 20 20.4 28 11.3 11.8 10.8 23.8 20.1 11.2 12.5 25.6 23 10.8 25.6 <br />, <br />Cation-Anion Balance % -6 3 2 -1.7 1.4 0.3 0.05 -2.1 5.1 -1.95 3.4 0.32 -6 3.4 <br />Sum of Anions Mao 5.65 4.95 4.8 6 17.5 11.2 7.6 7.4 6.5 10.9 9.8 8.39 4.8 17.5 <br />Sum of Cations m 5.15 5.25 5 0 18 11.4 7.6 7.1 7.2 10.45 10.5 7.97 0 18 <br />Dissolved Oxygen m 6.8 7.6 7.75 6.8 7.6 <br />Iron (total) man 14.91 0.12 0.35 0.47 0.09 0.96 1.13 0.2 0.27 3.15 2.17 0.09 14.91 <br />Iron (total recoverable) man 18.18 0.16 0.4 0.44 0.11 0.95 0.97 0.2 0.12 3.1 0.27 2.26 0.11 18.18 <br />Iron dissolved m 0.07 0.05 0.07 <br />TSS man 160 <5 14 15 6 <5 <5 48.75 <5 160 <br />TDS @ 180C mgn 320 250 240 310 980 570 390 380 370 555 510 390.00 240 980 <br />TDS (calculated) mgn 310 272 262 319 983 614 407 404 362 584 540 459.73 262 983 <br />TDS Ratio Meas/Calc. m 1 1 1 0.97 1 0.96 0.96 0.94 1.02 0.95 0.94 0.98 0.94 1 <br />Total Alkalinity mgn 162 205 196 221 391 365 238 256 251 368 369 274.73 162 368 <br />Carbonate mgn 5 11 10 <2 <2 <2 8 28 11 22 21 14.50 <2 28 <br />Bicarbonate mgn 159 194 185 221 391 365 229 228 240 345 348 264.09 159 365 <br />Nitrogen, ammonia mgn 0.13 <.05 <.05 0.23 0.05 0.07 <.05 0.22 0.14 <.05 0.23 <br />Ammonia as N unionized mgn <.01 0.01 <.01 <.01 0.03 <.01 0.03 <br />Lead, (dissolved) mgn 0.001 <.001 <.04 <.04 <.001 <.001 <.0001 <.04 <.04 <.04 0.00 <.0001 <.04 <br />Manganese (total) mgn 0.313 0.006 0.01 0.014 0.01 0.055 0.022 0.006 0.005 0.095 <.0052 0.054 0.006 0.313 <br />Manganese dissolved mgn 0.055 <.005 <.005 0.006 <.005 0.009 <.005 0.078 <.005 0.006 0.006 0.03 <.005 0.078 <br />Selenium mgn 0.002 0.001 0.002 0.002 0.003 <.001 <.001 <.04 <.001 <.001 0.00 <.001 0.003 <br />Sodium dissolved mgn 38.1 38 34.2 42.1 209 166 67.7 59.7 74.3 156.8 130 92.35 34.1 209 <br />Chloride mgn 3.3 3 4 5 210 92 73 37 33 100 56.03 3 210 <br />Sulfate mgn 110 40 40 70 180 65 40 60 30 35 39 64.45 35 180 <br />Calcium dissolved mgn 42.3 47 46.3 50.8 103 52.9 55.5 55.9 49.4 42.5 58.7 54.94 42.3 103 <br />Magnesium (dissolved) mgn 15.6 15.2 14.6 16.6 43.1 16.5 22.4 18.3 18 17 21.8 19.92 14.6 43.1 <br />Potassium dissolved m 1.9 1.7 1.5 1.7 3.3 2.7 2 7.8 1.9 2.6 2 2.65 1.5 7.8 <br />Hydroxide mgn <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <br />Fluoride man <br />0002 <br />0 <br />Mercury mgn 0.0002 . <br />SAR standard 1.28 1.24 1.14 1.33 4.41 5.68 1.96 1.79 2.33 5.59 3.72 2.77 1.24 5.68 <br />Zinc mgn 0.04 <.01 <.01 <.01 0.01 0.01 <.01 <.01 <.01 0.02 0.02 <.01 0.04 <br />Hardness 170 180 176 195 435 200 231 215 197 176 236 219.18 170 435