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Table 1 <br /> Flow and Zn at A72, All Q < 100 cfs <br /> DATE US ug/1 <br /> 1/18/95 72 680 <br /> 10/21/91 75 400 <br /> 11/9/94 75 560 <br /> 11/10/94 75 520 <br /> 10/15/92 78 510 <br /> 10/14/92 80 480 <br /> 10/22/92 83 470 <br /> Zn for Q < 100cfs FOR 6 d.f. <br /> Pr t-crit UCL LCL <br /> Mean 517.1429 0.025 2.447 730.8013 303.4844 <br /> Standard Error 33.00175 <br /> Median 510 <br /> Mode #N/A <br /> Standard Deviation 87.31443 <br /> Sample Variance 7623.81 <br /> Kurtosis 1.841896 <br /> Skewness 0.923368 <br /> Range 280 <br /> Minimum 400 <br /> Maximum 680 <br /> Sum 3620 <br /> Count 7 <br /> Confidence Level(95.000%) 64.68215 <br /> GEOCHIMICA, INC. <br />