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of the monitoring event. All gas probe monitoring data must be <br /> fully evaluated in the annual operating report. <br /> (e) The current air monitoring for landfill gas emissions field survey is <br /> only conducted for the topslope area and accounts for roughly 20 <br /> percent of the fill area. There is a higher likelihood that emissions <br /> will occur on the sideslope based on the horizontal stratification of <br /> the waste and preferred movement of landfill gas. ERL shall <br /> comply with the Landfill Gas Migration Monitoring Plan <br /> submitted in March 2012 which includes the FRr ..,,,si*submit <br /> modified n mbient ir- r onitor-in.Plan to in.ludo sideslope and <br /> topslope areas that can be safely traversed at the time of the <br /> monitoring event. <br /> If concentrations exceed 500 ppm explosive gas(calibrated to <br /> methane),corrective actions are required to amend the landfill <br /> cover to mitigate fugitive emissions. This requirement is important <br /> in identifying fugitive gas emissions/odors and ensuring that site <br /> conditions are corrected to mitigate their effects. <br /> (06) Sampling and Analysis <br /> Plan.The Phase ry Water-Quality Monitor-i g Wo fk The Sampling and Analysis <br /> Plan,which describes the sampling frequency,parameters,protocols and <br /> reporting frequency for landfill gas,leachate,leachate piezometers,leachate <br /> lysimeters,residential wells,groundwater monitoring wells and surface water <br /> shall be assessed annually to reflect changes in the monitoring systems.The Work <br /> Plan shall yield adequate information for assessing the effectiveness of the landfill <br /> gas control system in decreasing VOC contaminants in the groundwater.The <br /> proposed compliance boundary within the Plan is not approved because it <br /> incorporates City property inside the compliance boundary. The compliance <br /> boundary will be limited to the Landfill Property. Corrective actions(potentially <br /> associated with contaminant migration)on City property,which potentially limit <br /> the use of City property,are not allowed. <br /> (07) Annual Operating Report.An Annual Operating Report shall be submitted <br /> with the following supplemental items. <br /> (a) Annual Waste Disposal Volume. <br /> (b) Schedule of construction activities for the forthcoming year. <br /> (c) Type and-Quantity of Material Disposed. <br /> (d) Remaining permitted capacity <br /> 9 <br />