5.1 - Laserfiche WebLink

Home Browse Search

(06) Annual Gas Vent System Assessment. Annually assess the effectiveness of aive landfill gas venting operations based on the results of groundwater and land ill gas monitoring and incorporate the evaluation in the MPCA Annual Report for the landfill. (07)il VOC Remediation Feasibility Study. In accordance with MPCA Permit, Part II.C., 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. Sufficient water quality data, as determined by City Staff, shall be gathered to determine significant trends. If, as of March 1, 1999 2001, groundwater quality standards are exceeded at the facili y's compliance boundary and the concentration of VOCs do not show a decre sing trend,the Landfill shall complete a Focused Feasibility Study. The Focu ed Feasibility Study shall be submitted to City staff by June 1, 1999 2001. 1 (08) VOC Remedial Action. If necessary,the selected remedial measure for VOC contaminants identified by the Feasibility Study must be constructed and opera`ional by March 1, 2001 2003, unless good cause can be shown for a delay. (09) 1 Heavy Metal Contaminant Monitoring and Assessment. Heavy metal contaminants for surface water and groundwater must be addressed in addition to VOC contaminants. Based on the need for additional monitoring to confirm • exceedances and identify trends, the Landfill shall continue monitoring and prep e evaluation reports which shall be submitted with the MPCA Annual Repo s. (10) Heavy Metal Contamination Feasibility Study. If heavy metal conce trations in groundwater and surface water exceed regulatory standards, the Land 11 will be required to conduct a Feasibility Study and submit it to City staff on a s hedule determined by City staff. (11) Construction Quality Assurance Reports. A Construction Quality Assur ce (CQA) Report shall be submitted to the City prior to the placement of waste n newly constructed lined areas. A CQA report shall also be submitted for Landfi 1 areas which receive final cover. The report shall demonstrate that the work i completed to the plan specifications. The Report shall be certified to by an eng neer registered in the State of Minnesota and shall include but not be limite to: (a) All relevant construction specifications; (b) All shop drawings for prefabricated components; (c) Photo documentation of all critical aspects of construction; 4111 10