Section 19.133 - Maintenance of Environmental Control and Monitoring Systems(1) Landfill environmental control and monitoring systems shall be maintained and repaired or replaced as provided for in 310 CMR 19.133: (a) The landfill shall be operated in a manner which will protect all environmental control systems as approved in the Operation and Maintenance plan and monitoring systems as approved in the Operation and Maintenance plan or permit.(b) The operator shall ensure the regular maintenance of all landfill environmental control systems as approved in the Operation and Maintenance plan or permit.(c) The operator shall notify the Department of the existence of damaged or destroyed environmental control systems or monitoring devices and the extent of the damage. The operator shall submit such notification, in writing, within 14 days of discovery and shall provide a schedule for repair or replacement for approval by the Department. Repair or replacement of monitoring devices shall be completed prior to the next scheduled sampling round.(d) Surface water, ground water and gas monitoring locations shall be maintained so as to meet the requirements set forth in 310 CMR 19.118.(e) The operator shall notify the Department of the existence of a damaged or destroyed surface water sampling location marker and the extent of the damage. The operator shall submit such notification, in writing, within 14 days of discovery and shall provide for repair or replacement of the location marker prior to the next scheduled sampling round.