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• <br />Table D-8 <br />Surface Water Quality Monitoring Data <br />North Fork Upper (USGS Gunnison) <br />Baseline <br />MtrrNnrsn Maximum <br />Dale 05/11195 06/111195 09/15J95 <br />Field Parameters <br />Flow (ds, see Appendix B) 17, Nov 50 (1) 7060, May 64 (2) 1570 4580 <br />pH 7.4, Dec 77 9.0, Oct 78 6.8 7 <br />Conductivity (mmhos/cm) 0.52 0.43 <br />Specific Conductance (pmhos/cm ®25'C) 830 611 <br />Temperature ('C) 6.3 10.2 <br />Other <br />Laboratory Analyaes (mglL unless otharnisa noted) <br />(metals) <br />Aluminum (dissolved) <br />Arsenic (total recoverable) <br />Cadmium <br />Calcium <br />Copper <br />Iron (total) <br />Iron (dissolved) <br />Lead <br />Magnesium <br />Manganese (total) <br />Manganeaa (dissolved) <br />Mercury (total rewverable) <br />Molybdenum <br />Selenium (total rewverable) <br />Sodium <br />Zinc <br />(wet chemistry) <br />Bicarbonate (aa CaCO3) <br />Chloride <br />Conductvity ®25'C (pmhoslcm) <br />Hardness (as CaCO3) <br />NilraleMiVile <br />pH (units) <br />Phosphate (PO4 as P, ortho dissolved) <br />Sodium Absorption Ratio (SAR) <br />Sulfate <br />Total Dissolved Solids (TDS) <br />Total Suspended Solids (TSS) <br />(1) Lowsst Daily Mean, 1934 -1995 <br />(2) Highest Oaily Mean, 1934. 1995 <br />0.03, Dec 77 2.90, Jun 80 6.73 <br />0.09 <br />233 <br />8.3 <br />120 <br />10.8 <br />0.22 <br />0.000, Jun 79 0.075, Jun 7B 0.126 <br />56, Jun 8(1 250, Jun 78 <br />not detected 0.015 <br />32, Jun 79 150, Od t10 190 650 90 <br /><2.0, Oct 75 162, Jun 78 196 18 20 <br />Revised 27 Sep 96 <br />W. nlyuY~ <br />