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i <br />1 <br />1 <br />i <br />1 <br />1 <br />i <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />NORTH THOMPSON CREEK <br />UPSTREAM WATER QUALITY DATA <br />PRE-PERMIT <br />5/31/98 09/21/98 MEAN <br />pH su 7.4 7.6 7.44 <br />Conductivity umhos/cm 70 170 216 <br />Temp oC 5.9 10.9 10.75 <br />TDS mg/I 79 165 159.60 <br />TSS mg/1 265 220 9730 <br />Bicarbonate mg/I 18.2 39.1 120.88 ~ <br />Calcium mg/I 19.6 37.2 30.76 <br />Chloride mg/l 4.88 11.06 7.24 <br />Copper mg/1 -- -- 0.01 <br />Iron mg/t 0.91 0.80 0.14 <br />Magnesium mg/I 4.02 9.98 4.89 , <br />Manganese mg/I 0.11 0.28 0.01 <br />Sodium mg/I 9.02 21.64 6.98 <br />Sulfate mg/I 1920 40.11 11.62 <br />Zinc mg/I 0.09 0.10 0.02 <br />-Pre-Permit mean data is located in Appendix 3-Q Volume II of <br />the permit application. <br />NTC~DS.XIS <br />