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• • Draft Supplemental Environmental Impact Report Page IV.E-14 Forward Inc. Landfill 2018 Expansion Project • • • • Regular gas monitoring will be conducted to prevent landfill gas accumulation in onsite • buildings or beneath temporary buildings. The landfill operator will install an automatic combustible gas detection and alarm system for structures at the site. • • The landfill operator will not construct or otherwise locate any structure in an area of • known landfill gas build-up. • All site personnel who work in permanent structures will be trained to use and respond to the landfill gas monitoring and alarm system. • This impact is still considered potentially significant; therefore the following additional • mitigation measure is identified: • • Mitigation Measure EA: (Same as the 2013 EIR Mitigation Measure EA.) Landfill gas • monitoring shall include the volatile organic compounds in order to determine the amount of contaminant recovery, and control potential exposure to onsite personnel. • • Implementation of the proposed procedures and this mitigation measure would reduce the • impact to a less-than-significant level because it allows the County and applicant to control potential exposure of personnel to hazardous gases. • • Impact E.5: Solid waste pathogens could be spread by vectors. (Same as 2013 EIR Impact E.S.) Refuse in landfills attracts vectors such as rats, moles, gulls, etc. that can carry infectious pathogens, disease and parasites. More vectors over time would likely be attracted to the • landfill due to its expansion over time. This could increase the likelihood of human exposure to • the pathogens carried by the vectors. • The potential public health and nuisance problem from vectors is a potentially significant • impact. • • The following procedures are proposed as part of the project: • . The landfill operator will follow legally required daily or alternative cover practices. • • The landfill will continue to ban intact tires (which collect water and serve as a breeding • ground for vectors) and large dead animals from disposal at the landfill. • • Existing measures to discourage gulls from the landfill will be continued. • • Appropriate landfill personnel will periodically monitor the landfill for the presence of • vectors, and landfill inspections will be documented in the landfill operations • administrative file. • Implementation of these procedures would reduce this impact to a less-than-significant level • and no mitigation is required. • • • • • •