2008-07-22 Resolution_702-08_re_Violations_of_federal_clean_air_act_gas_emissions_and_controls_for_West_Hawaii_Landfill

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through sensory identification by field staff conducting a reconnaissance survey across the landfill surface,coupled with interviews and historical information available from the operating period of the landfill. In addition,the remote sensing would be ground-truthed through a field reconnaissance of landfill temperature using shallow temperature probes on a grid pattern. At the grid nodes,field screening with a photoionization detector and methane meter would be utilized to aid in detecting potential emissions through breaches in the geomembrane and the cover system. During the investigation,vertical profiling for temperature,and screening for emissions would be conducted in currently-existing wells at the site. While the screening evaluations will not detect hotspots at depth in the waste or low temperature differentials, this approach will assist in locating a probable subsurface fire for the fire- suppression demonstration project. The result of this investigation will be the consolidated thermal mapping of the landfill surface. 2.4 FIRE SUPPRESSION DEMONSTRATION PROJECT To fulfill the principal project objectives with the ultimate goal of complete fire suppression at the Kailua-Kona Landfill,ERM will conduct a demonstration project to suppress an existing subsurface fire at the landfill using fire retardant Class-A fire suppression foam. Site selection for the demonstration project will be determined based on the findings of the supplemental investigation(Section 2.3.3). In addition to developing optimal procedures for extinguishing"hot spots",this demonstration will actually attempt to extinguish a known problem area of active burning waste, thus improving conditions at the landfill. A detailed fire suppression work plan will be prepared upon completion of the site investigation to optimize the location of the demonstration area. The fire suppression demonstration project will be conducted in collaboration with the County of Hawaii Fire Department. [ERM has received verbal confirmation from Fire Chief Darryl Oliveira that the Fire Department will participate]. 2.4.1 Conceptual Design A conceptual design for the fire suppression demonstration project is provided,however the final design will be determined after the investigation work has been completed. Once a suitable site has been selected,an approximate 75 foot by 75 foot demonstration area will be surveyed and cordoned off. The fire suppression technique will consist of 1)implementation of a proven fire suppression technology consisting of ERM 9 KAILUA-KONA LANDFILL/0061204-3/1412008