Item A - PH on MWMC/Metro Plan - Laserfiche WebLink

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File Number. 55999 Page 14 of 26 Pages Note: A "supervisor" is.defined as the person exercising authority, for establishing and executing the spec'fflc practice and procedures of operating the system in accordance, with .the policies of the permittee and requirements of the waste discharge permit. "Supervise" means responsible for the technical, opera .tion of a system, which may affect its performance or the quality, of the effluent produced. Supe '.rvis0rs are not required to be on-site at all times. b. The permittee's wastewater system may not'be without supervision (as required by SpeCial Condition 6.a. above) for more than thirty (30) days. During this period, and at any time that the supervisor is not available to respond bn-site (i.e. vacation, sicl~ leave or off'-call)~ the permittee must. make avaitat~le another person who is.certified at no less than one grade lower then the system classifi~tion. c.If the wastewater system has more than one daily shift, the perrnittee shall have the shift supervisor, if any, certified at no less than one grade lower than the system classification. .. .d.. The permittee is responsible for ensuring the wastewater system has a properly certified supervisor .... available at all times to respond on-site at the request: of the permittee and to any other operator. · . :...e.:. The perrnittee shall notify.the Department ot:Envirc;nmental.Quality in.writing Within-thirty (30) · days~fr~p~acem¢nt~rredesignati~n~fce~d~perat~rsresp~nsib~ef~rsupervisingwastewater .....:. .... system operation. The notice shall be filed with the Water Quality Division, Operator Certification ,' Program, 811 SW 6th Aye, Portland,'OK 9.7204. :This requirement is irt addition to.the reporting requirements contained under Schedule B of this permit. · f...,. Upon written request, the Department may grant the permittee.reasonable time, not to exceed I20 days, to obtain the services ora qualified person to supervise the wastewater system. The written request must include justification for the time needed, a schedule'for recruiting and hiring, the date · .' the system supervisor availa.bility ceased and the name of'the alternate system supervisor(s).as required by 6.b. above. 7. Management and Maintenance of Ground~,ater Monitoring Wells a. The permitt~e shall protect and maintain ~ach groundwater monitoring well so that samples collected are representative of actual conditions. b. Ali mbnitoring well abandonments, replacements, repairs, and installations must be conducted in accor .dance with the Water Kesources Department Oregon Administrative Rules, Chapter 690, Division 240, and with the Department's guidance "Groundwater Monitoring Well Drilling, Consm~ction~ and Decommissioning", dated August 22, 1992. Ail monitoring well abandonments, replacements, repairs, and installations must be documented in a report prepared by an Oregon registered geologist. c. If a monitoring well becomes damaged Or inoperable, the permittee shall notify the Department in writing within 14 days of when the.permittee becomes aware of'the circumstances. The written report shalldescribe: what problem has occurred, the remedial measures that have been or will be taken to correct the problem, and the measures taken to prevent the recurrence of'damage or inoperation. The Departme.nt may require the replacement of'inoperable monitoring wells. d. Prior to installation of'new or replacement monitoring wells, the placement or desi~ must be approved in writing by the Department. Well logs and a well completion report shall be submitted to the Department within 30 days of'installation of the well· The report shall include a survey drawing showing the location of ail monitoring wells, disposal sites, and water bodies. e, Prior to abandonment of existing wells deemed unsuitable for groundwater monitoring, an abandonment plan must be submitted to the Department for review and approval. 8. The permittee may qualify for a lower percentage removal of CBOD and TSS than shown in Schedule A of this permit, pursuant to 40 CFR 133.103(d), provided the permittee can adequately demonstrate that the 4-38