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SURFACE WATER CHEMICAL ANALYSIS <br />• Monitoring Site ALKALI CREEK: DOWNSTREAM <br />Location STORM KING <br />Date of Collection 09/21/83 12/19/83 03/27/84 <br />FIELD PARAMETERS <br />Conductivity <br /> (umhos/cm @ 25(C)) 1490 438 1050 <br /> Discharge (cfs) .62 ,73 1 <br /> Dlssolved Oxygen 9.14 10.73 9.85 <br /> pH (units) 7.47 7,74 7,4 <br /> Turbidity 22 34 1 <br /> Water Temperature (C) 11.5 1 5.3 <br /> LABORATORY PARAMETERS (t) <br /> Alkalinity 521 517 420 <br /> Aluminum, Total 3.3 1.8 <br /> Aluminum, Dissolved .2 -.1 -.1 <br /> Bicarbonate 609 608 500 <br /> Boron, Total .23 ,15 <br /> Boron, Dissolved .2 .09 .09 <br /> Cadmium, Total .0003 .0003 <br /> Cadmium, Dissolved .0002 .0003 -.01 <br /> Calcium 140 120 115 <br /> Carbonate -1 -1 -.1 <br /> Chloride 56.5 85.7 65 <br />• Conductivity <br /> (umhos @ 25 (C)) 1620 1720 1240 <br /> Hardness, Total 588 543 480 <br /> Hydroxide -.5 -.5 <br /> Iron, Total 2.9 1,6 <br /> Iron, Dissolved .08 -.05 .07 <br /> Magnesium 58 59 46 <br /> Manganese, Total .28 .26 <br /> Manganese, Dissolved .08 .02 .18 <br /> Mercury, Total(ug/I) -.05 -.05 <br /> Mercury, Dissolved(ug/I) -.OS -.05 -1 <br /> Nitrogen, Ammonia .35 <br /> Nitrogen, Nitrate 12.3 5.6 5.1 <br /> pH (units) 8.04 8.21 7,8 <br /> Phosphate -.01 ,05 .08 <br /> Potassium 4 5.6 8.7 <br /> Sodium Absorp. Rat1o(SAR) 2.87 3.41 3.19 <br /> Selenium, Total .O1 .01 <br /> Selenium, Dissolved .01 ,01 -,01 <br /> Sodium 160 180 160 <br /> Solids, Total Dlssolved 1073 1130 920 <br /> Solids, Total Suspended 112 95 <br /> Sulfate 327 347 310 <br /> Zinc, Total .08 .03 <br /> Zinc, Dissolved .02 .01 .04 <br />• 1 All measurements are mil ligrams /Ilter(mg/I) unless otherwise <br /> noted. A minus sign shows concentrations be low detection limits <br />