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Foothill Sanitary Landfill Page 42 of 52 San Joaquin County DPW - Solid Waste Joint Technical Document Revised 12/04/2025 7.4. Dust Control Dust from site operations is controlled by spraying water on haul roads, including spraying soil cover work areas when conditions might create excessive dust, also planting vegetation on intermediate soil covers and on completed fill areas. Water spraying is accomplished with the use of water trucks with sprinklers on the front and back. Frequency of water application is dependent upon the season and site conditions. The most frequent application will occur during the summer in windy conditions. The performance standard of “controlling visible dust” dictates the frequency of water application. On-site water trucks are used for dust control. The trucks are filled using an overhead fill at the site’s water well or from the pond on the property. 7.5. Vector Control The following are the vector control measures at the Foothill Landfill: x Waste is covered daily. x Continuous use of “Bird Bombs” to scare scavenging birds away from the active face. x Installation and maintenance of traps and bait stations for rodents and burrowing animals near the active face and all around the landfill. 7.6. Drainage and Erosion Control The existing drainage system of the site comprises of a perimeter berm around the waste management unit which prevents run-on to the unit. This perimeter berm, along with a series of ditches, also controls all surface run-off during storm events, and directs surface run- off from the landfill to a retention basin on the east side of the site (Figure 2). The final conceptual drainage design of the site is shown in Figure 16. During the year, the landfill operator repairs the storm water conveyance structures and implements drainage and erosion control best management practices as needed. Erosion control on surfaces that will not receive refuse for extended periods is provided by placing intermediate cover and establishing vegetation on that surface. Vegetation is started by placing