RES 11-58 - Laserfiche WebLink

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of the monitoring event. All gas probe monitoring data must be fully evaluated in the annual operating report. (e) The current air monitoring for landfill gas emissions field survey is only conducted for the topslope area and accounts for roughly 20 percent of the fill azea. There is a higher likelihood that emissions will occur on the sideslope based on the horizontal stratification of the waste and preferred movement of landfill gas. ERL must submit a modified Ambient Air Monitoring Plan to include sideslope and topslope azeas that can be safely traversed at the time of the monitoring event. If concentrations exceed 500 ppm explosive gas (calibrated to methane), corrective actions are required to amend the landfill cover to mitigate fugitive emissions. This requirement is important in identifying fugitive gas emissions/odors and ensuring that site conditions are corrected to mitigate their effects. (06) Phase IV Water Quality Monitoring Work Plan. The Phase IV Water Quality Monitoring Work Plan which describes the sampling frequency, pazameters, protocols and reporting frequency for landfill gas, leachate, leachate piezometers, leachate lysimeters, residential wells, groundwater monitoring wells and surface water shall be assessed annually to reflect changes in the monitoring systems. The Work Plan shall yield adequate information for assessing the effectiveness of the landfill gas control system in decreasing V OC contaminants in the groundwater. (07) Annual O eratin Re ort. An Annual Operating Report shall be submitted with the following supplemental items. (a) Annual Waste Disposal Volume. (b) Schedule of construction activities for the forthcoming year. (c) Type andQuantity f Material Disposed. (d) Remaining permitted capacity (e) Updated, full-size, contour map which indicates the elevations of all fill areas (f) Assessment of the Financial Assurances Plan. (g) Evaluation of the Water Monitoring System and a proposal for continued sampling and analysis.