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Page 23 of 38 <br />Permit No: MNR040000 <br />Table B-1: <br />Monitoring Parameters During Operation <br />Station <br />Alum Parameters <br />Ferric Parameters <br />Units <br />Frequency <br />Upstream- <br />Total Phosphorus <br />Total Phosphorus <br />mg/L <br />1 x week <br />Background <br />Dissolved Phosphorus <br />Dissolved Phosphorus <br />mg/L <br />1 x week <br />Total Aluminum <br />Total Iron <br />mg/L <br />1 x month <br />Dissolved Aluminum <br />Dissolved Iron <br />mg/L <br />1 x week <br />PH <br />pH <br />SU <br />1 x week <br />Flow <br />Flow <br />Mgd <br />Daily <br />Alum or Ferric <br />Alum <br />Ferric <br />Gallons <br />Daily Total Dosed <br />Chloride Feed <br />In Gallons <br />Discharge <br />Total Phosphorus <br />Total Phosphorus <br />mg/L <br />1 x week <br />From <br />Dissolved Phosphorus <br />Dissolved Phosphorus <br />mg/L <br />1 x week <br />Treatment <br />Total Aluminum <br />Total Iron <br />mg/L <br />1 x month <br />Dissolved Aluminum <br />Dissolved Iron <br />mg/L <br />1 x week <br />PH <br />pH <br />SU <br />1 x week <br />Flow <br />Flow <br />Mgd <br />Daily <br />e. In the following situations, the permittee shall perform corrective action(s) and <br />immediately notify the Minnesota Department of Public Safety Duty Officer at <br />1-800-422-0798 (toll free) or 651-649-5451 (Metro area): <br />(1) The pH of the discharged water is not within the range of 6.0 and 9.0 <br />(2) Any indications of toxicity or measurements exceeding water quality standards <br />(3) A spill, as defined in Minn. Stat. § 115.01, subd. 13, of alum or ferric chloride <br />3. Reporting and Recordkeeping <br />a. Annual Reporting <br />The permittee shall submit the following information with the Annual Report in Part <br />IV.B. The Annual Report must include a month -by -month summary of: <br />(1) Date(s) of operation <br />(2) Chemical(s) used for treatment <br />(3) Gallons of water treated <br />(4) Gallons of alum or ferric chloride treatment used <br />(5) Calculated pounds of phosphorus removed <br />(6) Any performance issues and the corrective action(s), including the date(s) when <br />corrective action(s) were taken <br />b. On -Site Recordkeeping <br />A record of the following design parameters shall be kept on-site: <br />(1) Site-specific jar testing conducted using typical and representative water samples in <br />accordance with ASTM D2035-08 (2003) <br />(2) Baseline concentrations of the following parameters in the influent and receiving <br />waters: <br />