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<br />City of San Marcos <br /> <br />TPDES Permit No. WQ0010273002 <br /> <br />TABLE 1 (SHEET 3 OF 4) <br /> <br />BIOMONITORING REPORTING <br /> <br />FATHEAD MINNOW LARVAE GROWTH AND SURVIVAL <br /> <br />Date Time <br />Dates and Times No.1 FROM: <br />Composites <br />Collected No.2 FROM: <br /> <br />Date <br /> <br />Time <br /> <br />TO: <br /> <br />TO: <br /> <br />No.3 FROM: <br /> <br />TO: <br /> <br />Test initiated: <br /> <br />am/pm <br /> <br />date <br /> <br />Dilution water used: <br /> <br />Receiving water <br /> <br />Synthetic Dilution water <br /> <br /> Effluent Average Dry Weight in milligrams Mean <br /> Concentration (%) m replicate chambers Dry <br /> Weight CV%* <br /> A B C D E <br /> 0% <br /> 8% <br /> 11% <br /> 14% <br /> 19% <br /> 25% <br />I PMSD II Acceptable Range 12-30 II I <br /> <br />FATHEAD MINNOW GROWTH DATA <br /> <br />* coefficient of yariation = standard deviation x 100/mean <br /> <br />1. Dunnett's Procedure or Steel's Many-One Rank Test or Wilcoxon Rank Sum Test (with Bonferroni <br />adjustment) or t-test (with Bonferroni adjustment) as appropriate: <br /> <br />Is the mean dry weight (growth) at 7 days significantly less (p=O.05) than the control's dry weight (growth) <br />for the % effluent corresponding to significant nonlethal effects? <br /> <br />CRITICAL DILUTION (19%): <br /> <br />YES <br /> <br />NO <br /> <br />Page 34 <br />