5.3 - Laserfiche WebLink

Home Browse Search

Sent by: DOHERTY RUMBLE BUTLER 612 291 9313; 04/17/97 2:53PM;Jx #563;Page 7/39 ibe allowed. A plan for establishment of the Buffer Zone shall be submitted to the City no later than {Niarcli} Liuly] 1, -{1996}119_921 for approval by City staff and shall be implemented as provided in the plan. 4.) Specific Additional Operational Requirements. (01) Leachate Transmission Pipes. {The l.achate t,ansmission pipe shall-Hc-,c&siglicd • •• •• .• • • r. • r• • • • •.• • • . .•.• Permittee shall verify to the City every four(4) years that the existing {pipe does} 'leachate tr..nsmissionpi dol not leak. (02) Backup Leachate_Pumps. Permittee shall maintain backup pumps for use in the event of pump failure at the wet well and leachate storage tank on-site, or shall maintain provisions for restoring temporary leachate pumping within a 24 hour period, (03) Leachate Holding Tank. Permittee shall ensure that the leachate holding tank is pumped out on a regular schedule. It shall be a violation of this Permit to allow leachate to collect on the liner to a depth exceeding one foot due to the leachate holding tank being full. (04) Gas Venting system. •• . '• • [Permitee shall conduct' active • landfill gas venting {system by biaich 1, 1996,}tin accordance with approved plans and shall construct additional phases of the venting system at the time of final cover construction.1 (05) Comprehensive Monitoring Plan. {-Submit-at Lad Comprehensive Monitoring Plan which describes the sampling frequency, parameters, protocols and reporting frequency for landfill gas, leachate, leachate piezometers, leachate lysimeter, residential wells, groundwater monitoring wells and surface water [shall be updated annually to reflect changes in the monitoring systems'. The monitoring plan shall yield adequate information for assessing the effectiveness of the landfill gas control system in decreasing VOC contaminants in the groundwater. The {plan shall be submitted by-February 1, annual updates shall be approved by the City. (06) Anna Gas Vent System Assessment. Annually assess the effectiveness of active landfill gas venting operations based on the results of groundwater and landfill gas monitoring. Incorporate the evaluation in the MPCA Annual Report for the landfill. (07) VOC Remediatioa_Feasibility Study. In accordance with MPCA {cornsponaar1.e • • • • •• - ', 6." :• • [Permit. Part TTT C 1 Corrective Action the Landfill will be allowed a three year timeframe in which to • demonstrate the effectiveness of landfill gas extraction system in reducing VOC contaminants in the groundwater. 909579.1 6.