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Show BIG COTTONWOOD CREEK 1987 thru 1996 Chemistry Data Summary ANALYTE No. of Samples Average No. of less thans Assigned less than value Average with less than values Minimum Maximum T. Sus. Solids mg/ 1 51 7.79 33 3 9.73 < 3 148 T. K. N. mg/ 1 31 0.17 13 0.1 0.21 < 1 1.02 Ammonia as N, mg/ 1 58 0.06 3 0.05 0.06 <. 05 0.67 D- Arsenic, ug/ 1 23 0.00 23 5 5.00 < 5 0 D- Barium, ug/ 1 23 44.70 0 44.70 21 75 D- Cadmium, ug/ 1 23 0.00 23 1 1.00 < 1 0 D- Calcium, ug/ 1 51 30.57 1 20 30.96 < 20 48.2 D- Chromium, ug/ 1 23 0.00 23 5 5.00 < 5 0 D- Copper, ug/ 1 23 0.00 23 12 12.00 < 12 0 D- Iron, ug/ 1 23 13.72 17 20 28.50 < 20 120 D- Lead, ug/ 1 23 0.00 23 3 3.00 < 3 0 D- Magnesium, mg/ 1 51 10.91 0 10.91 4.6 17 D- Manganese, ug/ 1 23 0.00 23 5 5.00 < 5 0 D- Potassium, mg/ 1 51 0.13 46 1 1.03 < 1 2 D- Selenium, ug/ 1 23 0.00 23 1 1.00 < 1 0 D- Silver, ug/ 1 23 0.00 23 2 2.00 < 20 0 D- Sodium, mg/ 1 51 11.21 0 11.21 3.6 24 D- Zinc, ug/ 1 23 0.00 23 30 30.00 < 30 0 Bicarbonate, mg/ 1 58 127.36 0 127.36 60 348 Carbon dioxide, mg/ 1 58 3.98 0 3.98 0 38 Carbonate, mg/ 1 58 0.05 0 0.05 0 3 Chloride, mg/ 1 51 17.72 0 17.72 4 51.5 Hydroxide, mg/ 1 58 0.00 0 0.00 0 0 Sulfate, mg/ 1 51 23.95 6 10 25.13 < 10 43.5 T. Phosphorus, mg/ 1 93 0.02 3 0.01 0.02 < 0.01 0.11 r. Alkalinity/ CaC03, mg/ 1 51 99.27 0 99.27 49 285 T. Hardness/ CaC03, mg/ 1 51 122.97 0 122.97 53.9 190.2 Turbidity, NTU 58 1.97 0 1.97 0.03 18 Sp. Cond. umhos/ cm. 51 294.95 0 294.95 145 412 TDS@ 180C, mg/ l 51 163.22 0 163.22 84 238 D- Aluminum ug/ L 7 34.14 4 30 51.29 < 30 98 N02+ N03 dis 92 0.17 0 0.17 0 0.642 D- Mercury, ug/ 1 25 1.48 24 0.2 1.67 < 2 37 C03 Solids 58 56.71 0 56.71 0 171 D- T. Phos., mg/ 1 58 0.01 0 0.01 0 0.121 Temp, C 27 6.33 0 6.33 2.6 10.8 PH 49 8.14 0 8.14 7.6 8.7 •> |