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Table 2 <br /> Flow and Zn at A72, All 100 cfs < Q < 300 cfs <br /> DATE CFS ug/I <br /> 9/9/91 269 260 <br /> 8/19/92 134 360 <br /> 9/24/92 1211 370 <br /> 9/28/93 124 370 <br /> 9/5/91 131 380 <br /> 9/10/91 263 270 <br /> 9/6/91 185 370 <br /> 9/7/91 261 310 <br /> Zn for 100 cfs<q<300 cfs FOR 7 d.f. <br /> Pr t-crit UCL LCL <br /> Mean 336.25 0.025 2.3646 452.0482 220.4518 <br /> Standard Error 17.31406 <br /> Median 365 <br /> Mode 370 <br /> Standard Deviation 48.97157 <br /> Sample Variance 2398.214 <br /> Kurtosis -1.23883 <br /> Skewness -0.87534 <br /> Range 120 <br /> Minimum 260 <br /> Maximum 380 <br /> Sum 2690 <br /> Count 8 <br /> Confidence Level(95.000%) 33.93489 <br /> GEOCHIMICA, INC. <br />