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Short-term and Long-term Effectiveness: Effective immediately. Effective long term solution <br /> yielding permanent removal of contaminants from the site; spent carbon is transported to an <br /> offsite permitted regeneration facility where contaminants are removed from the carbon and <br /> destroyed. <br /> Implementability: Fairly easy to implement as part of the treatment system. Modular component <br /> that is placed in series using quick-connect fittings. <br /> Cost: Medium-High. <br /> 5.1.3.2 TREATMENT - THERMAL (FLARES) <br /> Description: Enclosed ground flares are the most commonly used form of technology when the <br /> thermal destruction of landfill gas is required. Enclosed ground flare systems include a flame <br /> enclosure (or stack) with a burner assembly at the base and a pilot light near the waste-gas <br /> burner head. Air dampers are utilized at the base to control dilution air. Landfill gas can be <br /> mixed with a supplemental fuel if required to support combustion, then the gas is fed through <br /> the burner assembly at the base of the stack and combustion takes place within the enclosure. <br /> The pilot light at burner assembly ignites the waste. <br /> Short-term and Lona-term Effectiveness: No significant impact during installation. Long-term <br /> effective means of managing and treating collected landfill gas. <br /> Implementability: Easy to implement as part of an existing cap. <br /> Cost: High. <br /> 12 A!/LLEN MWOOKS <br /> STne. <br /> P:\707 Cove Contractors\Feasibility Study and Corrective Action Plan\Corrective Action Plan_Final.doc <br />