PERMFILE62830 - Laserfiche WebLink

Home Browse Search

PARTI Page No. 8 Permit No. CO-0044776 • A. DEFIIdITTON OF EFFLUENT LIhIITATIONS 4. Whole Effluent Toxici~Tecting Re ~irem n c Acute) -Out[ It 002 icon 'Hued) ii. The PTIR'IE results indicate that the toxicant(s) represent pollutant(s) that may be conttollyd with specific numerical limits, and the Division agrees that the numerical controls are the most appropriate course of action. iii. The PTI/TIE reveals other unique conditions or chazacteristics which, in the opinion of the Division, justify the incorporation of unanticipated special conditions in the permit. B. MONITORING REQUIREMENTS 1. Frequency and Sample Tyne In order to obtain an indication of the probable compliance or noncompliance with the effluent limitations specified in Part I.A.1, the permittee shall monitor all effluent parameters at the following frequencies. Such monitoring will begin immediately and last for the life of the permit unless otherwise noted. The results of such monitoring shall be reported on the Discharge Monitorittg Reports (DMR) (see Part I.E.1. for routine reporting requirements). Also see Part I.B.2. for additioiud monitoring requirements. a. Outfalls 001 and 003 Flow, MGD Measurement Freauencv Instantweous or Continuous Grab Grab Grab Visual In-sim • Total Suspended Solids, mg/f Total Iron, mg/Q Settleable Solids, mQ/t Oil and Grease, mg/Q pH, s.u. b. Outfall 002 Effluent Parameter Flow, MGD Total Suspended Solids, mg/f Total Iron, mg/t Settleable Solids, mQlQ Oil and Grease, mg/f pH, s.u. Whole Effluent Toxicity, Acute c. Oil and Grease Monitorinte Weekly Monthly Monthly Monthly Weekly Weekly Weekly Ivlontlily Montlily Monthly Weekly Weekly Quarterly Sample Tvne Instantaneous or Continuous Grab Grab Grab Visual In-sim Grab For every outfall with oil and grease monitoring, in the event an oi! sheen or floating oil is observed, a grab sample shall be collected, analyzed, and reported on the appropriate DMR. In addition, corrective action shall be taken immediately to mitigate the dischazge of oil and grease. A description of the corrective action. ta~ should be included with the DMR. Self-monitoring sampling by the permittee for compliance with the monitoring requirements specified above shall be performed at the following locations: outfalls OOI, 002 and 003 -- all after final treatment and prior to entering Deer Trail Ditch. See Part I.C. for Defmitians.