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<br />City of San Marcos <br /> <br />TPDES Permit No. WQOO 1 0273002 <br /> <br />not be submitted for subsequent testing unless specifically requested. The permittee shall routinely report <br />the results of each biomonitoring test on the Table 1 forms provided with this permit. All Table 1 reports <br />must include the information specified in the Table 1 form attached to this permit. <br /> <br />1) Arumal biomonitoring test results are due on or before January 20th for biomonitoring conducted during <br />the previous 12 month period. <br /> <br />2) Semiannual biomonitoring test results are due on or before July 20th and January 20th for biomonitoring <br />conducted during the previous 6 month period. <br /> <br />3) Quarterly biomonitoring test results are due on or before April 20th, July 20th, October 20th, and January <br />20th, for biomonitoring conducted during the previous calendar quarter. <br /> <br />4) Monthly biomonitoring test results are due on or before the 20th day of the month following sampling. <br /> <br />c. Enter the following codes on the DMR for the appropriate parameters for valid tests only: <br /> <br />1) For the water flea, Parameter TLP3B, enter a "1" if the NOEC for survival is less than the critical <br />dilution; otherwise, enter a "0." <br /> <br />2) For the water flea, Parameter TOP3B, report the NOEC for survival. <br /> <br />3) For the water flea, Parameter TXP3B, report the LOEC for survival. <br /> <br />4) For the water flea, Parameter TWP3B, enter a "1" if the NOEC for reproduction is less than the critical <br />dilution; otherwise, enter a "0." <br /> <br />5) For the water flea, Parameter TPP3B, report the NOEC for reproduction. <br /> <br />6) For the water flea, Parameter TYP3B, report the NOEC for reproduction. <br /> <br />7) For the fathead minnow, Parameter TLP6C,enter a "1" if the NOEC for survival is less than the critical <br />dilution; otheIWise, enter a "0." <br /> <br />8) For the fathead minnow, Parameter TOP6C, report the NOEC for survival. <br /> <br />9) For the fathead minnow, Parameter TXP6C, report the LOEC for survival. <br /> <br />10) For the fathead minnow, Parameter TWP6C,enter a "1" ifthe NOEC for growth is less than the critical <br />dilution; otherwise, enter a "0." <br /> <br />11) For the fathead minnow, Parameter TPP6C, report the NOEC for growth. <br /> <br />12) For the fathead minnow, Parameter TYP6C, report the LOEC for growth <br /> <br />d. Enter the following codes on the DMR for retests only: <br /> <br />1) For retest number 1, Parameter 22415, enter a "1" if the NOEC for survival is less than the critical <br />dilution; otheIWise, enter a "0." <br /> <br />2) For retest number 2, Parameter 22416, enter a "1" if the NOEC for survival is less than the critical <br />dilution; otheIWise, enter a "0." <br /> <br />Page 28 <br />