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• Other Landfill Issues <br /> When a request is made to modify an existing CUP,all pertinent issues regarding the subject <br /> operation are up for consideration. The following are ongoing issues that the Landfill and <br /> staff have been dealing with since the last renewal of their permits: <br /> ➢ Fires in existing demolition area-The Landfill first reported a hot spot (fire) in <br /> their existing demolition disposal area on the north side of their operation in the <br /> spring of 2000. Landfill fires can burn below the surface and,therefore,be difficult <br /> to squelch. This fire was smothered with earth and assumed out. A second fire,or <br /> possibly a flare up of the same one, sprang up in this demolition area this past <br /> summer. The introduction of oxygen due to mining recyclables in the demolition <br /> area may be one contributing reason for the fires. The Landfill has been required to <br /> install heat sensing probes to get an exact location of these fires to aid in suppressing <br /> them. Staff is not recommending adding conditions to the Landfill's Cup or <br /> license due to this issue. The existing language is adequate and it is a matter of <br /> enforcement. <br /> ➢ Litter-Since their last renewal,the Landfill has received a Notice of Violation from <br /> the Minnesota Pollution Control Agency(MPCA) regarding daily cover last summer. <br /> Daily cover, a minimum of six inches of soil placed over the days refuse,is required <br /> to keep the refuse from blowing away and becoming litter. This was an operational <br /> problem that was apparently corrected since. <br /> • In addition to the daily cover, the Landfill is required to erect temporary fencing <br /> adjacent to active areas to control litter and they are to inspect all trucks leaving the <br /> facility to ensure they are free of debris prior to leaving their site. As a last resort to <br /> control litter,the Landfill's CUP and license requires that they engage in routine litter <br /> removal along Highway 169 for '/ mile on either side of their entrance and from <br /> other areas adversely affected a minimum of once per week. <br /> Even with these controls,litter is still the number one complaint received by the city <br /> concerning the Landfill. Staff is not recommending additional permit language <br /> regarding this issue. Again,it is a matter of enforcement. Staff recently requested <br /> that the Elk River Police Department step up patrols in this area and ticket trucks <br /> with leaky loads (debris blowing off of them). <br /> ➢ Contamination-Controlling contamination from the original unlined cells prior to <br /> it leaving the Landfill site is the city's major concern. The active gas venting system <br /> installed at the Landfill is apparently doing some good in this regard. City staff will <br /> continue to monitor the situation to discern whether or not this remedial action is <br /> adequate. Two specific areas of contamination are of immediate concern. One is in <br /> the northeast corner of the Landfill where monitoring wells showed contamination <br /> extending close to the Landfill's property line. A change in the gas venting system in <br /> this area seems to have brought the contamination in this area under control. <br /> Contamination levels in the monitoring wells in this location are now below MPCA's <br /> intervention limits. <br /> • <br />