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NORTH THOMPSON CREEK <br /> ' UPSTREAM WATER QUALITY DATA <br /> PRE-PERMIT <br /> ' 05/22/89 09/20/89 MEAN <br /> pH 8. 30 8.30 7 . 44 <br /> ' Conductivity, umhos/cm 70 . 00 150.00 216 . 00 <br /> Temp C 9 . 00 11 .00 10. 75 <br /> TDS 155 .00 180. 00 159 .60 <br /> TSS 38. 00 2410. 00 97 . 30 <br /> ' Bicarbonate 92 . 21 38.80 120 .88 <br /> Calcium 29 . 48 52 .60 30. 76 <br /> Chloride 6 .06 7 . 02 7 . 24 <br /> ' Copper 0. 018 0. 024 0 . 01 <br /> Iron 1 . 24 6 .02 0. 14 <br /> Magnesium 9 . 23 7 .62 4 .89 <br /> Manganese 0.040 0. 400 0 . 01 <br /> Sodium 11 . 46 12. 75, 6 . 98 <br /> Sulfate 20.60 43 . 50 11 .62 <br /> Zinc 0.07 0. 26 0.02 <br /> Conductivity calculated by adding 2% to the field measurement for <br /> each degree below 25 if appropriate. <br /> - All parameters below Temp are expressed in mg/l . <br /> - Pre-Permit mean data is located in Appendix 3-Q Volume II of <br /> Snowmass ' permit application. <br /> AHR2-89 <br /> 1 <br /> 1 <br /> 1 <br />