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Ratio of Calculated Sum of Dissolved Solids to Specific Conductance <br /> The sum of dissolved solids divided by the specific conductance should fall within <br /> the range 0.55 to 0.811. The ratio of the calculated sum of dissolved solids <br /> (mg/L) to specific conductance is calculated as follows: <br /> Sum of dissolved solids in mq/L <br /> Specific Conductance <br /> One of the nine samples (11 percent) did not fall within this range. The results <br /> are summarized in the following table. <br /> Calculated Ratio of <br /> Dissolved Specific Calculated <br /> Site Date Solids Conductance Dissolved Solids <br /> (mg/L) (US/CM) to Specific <br /> Conductance <br /> KMW-1 5/3/2010 2,400 3,673 0.65 <br /> KMW-2 5/3/2010 2,081 2,839 0.73 <br /> KMW-3 5/3/2010 3,373 4,368 0.77 <br /> KMW-4 5/3/2010 2,351 3,239 0.73 <br /> KMW-6 5/3/2010 616 1,218 0.51 <br /> KMW-7 5/3/2010 2,365 3,521 0.67 <br /> W-1 5/3/2010 2,317 3,265 0.71 <br /> W-2 5/3/2010 1,252 2,011 0.62 <br /> MW-5 5/3/2010 2,956 4,218 0.70 <br /> Percent differences in bold are outside the recommended limit. <br /> Friedman, L.C., and Erdmann, D.E., 1982, Quality assurance practices for the chemical and biological <br /> analyses of water and fluvial sediments: U.S. Geological Survey Techniques of Water-Resources <br /> Investigations, book 5, chap.A6, 181 p. <br /> - E-4 - <br />