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"r Draft Environmental Impact Report Page IV.D-20 Forward Landfill Expansion i require the use of ultra-low sulfur diesel fuel (15 ppm). Currently, CARB has verified a limited number of these devices for installation in several diesel engine families to reduce particulate emissions. At the time bids are made, contractors F must show that the construction equipment used is equipped with particulate filters and/or catalysts or prove why it is infeasible. F • Use alternative fueled construction equipment, where feasible. • Replace fossil-fueled equipment with electrically driven equivalents (provided they are not run via a portable generator set). • Curtail construction during periods of high ambient pollutant concentrations;this may include ceasing of construction activity during the peak-hour of vehicular traffic on adjacent roadways. • Require that all diesel engines be shut off when not in use on the premises to reduce the emissions from idling. Impact IV.D.2.The project would result in an increase in operational emissions of k criteria air pollutants (ROG, NO, and PM10) from on-road.motor vehicle traffic traveling to and from the project area and onsite emission sources associated with the operation of the project such as flare and/or LFG engines and fugitive dust from operational earthmoving. The project would increase criteria pollutant emissions from LFG-derived and vehicle- derived sources with two options: additional LFG is controlled either by additional flare capacity (flare option) or LFG engines at a new LFG to energy facility (LFG engine ` option). The two Baseline scenarios were evaluated: Current Actual emissions, determined using 2006 and 2007 operational data; and Current Permitted emissions, based on emissions of landfill sources at maximum permitted levels. The proposed expansion would increase the permitted Class II refuse footprint from 354.5 acres to 552 acres, adding approximately 43.4 million cubic yards to the capacity of the landfill. The remaining available capacity of the landfill is estimated to accommodate F approximately 24,064,500 additional tons of landfilled decomposable waste as set forth in the landfill's SJVAPCD permit. The additional volume of 43.4 million cubic yards proposed in the Project scenario is estimated to accommodate an additional 37.7 million Ftons of landfilled decomposable waste. This additional waste is estimated to result in a k maximum increase of approximately 6,104 cubic feet per minute of LFG generation compared to the maximum estimated generation rate under current permitted conditions. From an air duality perspective, the impacts would result from an increase in fugitive emissions of landfill gas and particulate matter from the landfill surface and an increase { in emissions from LFG control devices due to the increase in LFG collected. Secondly,the Project is proposing to increase the peak number of haul vehicles per day to 960,and the l annual number of vehicles to 270,570 (870 per day on average). Table IV.D-3 presents net project emissions. Project unmitigated impacts for VOC, NOx, and PMla would be considered potentially significant under all Project scenarios presented. Appendix AQ provides additional information regarding the assumptions and methodologies used in the air emission calculations. The flare option would result in F' much lower emission increase of VOC, CO, and NQ,than would the new LFG engines. There is little difference in PM10 and SQ,emissions between the flare and new LFG engine project conditions. F t . .