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<br />City of San Marcos <br /> <br />TPDES Permit No. WQOOl0273002 <br /> <br />TABLE 2 (SHEET 2 OF 2) <br /> <br />FATHEAD MINNOW SURVIVAL <br /> <br />GENERAL INFORMATION <br /> <br /> I Time (arn/pm) I Date I <br />Composite Sample Collected I I I <br />Test Initiated <br /> <br />PERCENT SURVNAL <br /> <br />Time Rep Percent effluent (%) <br /> 0% 6% 13% 25% 50% 100% <br /> A <br />24h B <br /> C <br /> D <br /> E <br />I MEAN <br /> <br />Enter percent effluent corresponding to the LC50 below: <br /> <br />24 hour LC50 = <br /> <br />% effluent <br /> <br />95% confidence limits: <br /> <br />Method ofLC50 calculation: <br /> <br />Page 42 <br />