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San Joaquin County Project Description Proposed Revisions to Current Permit The landfill facility operates in accordance to the Solid Waste Facility Permit (SWFP) issued by the County Environmental Health Department(EHD),which includes the following limitations: ■ Maximum daily disposal tonnage weight of 825 tons. ■ Maximum incoming refuse-carrying vehicles of 600 per day. ■ Receipt of refuse from 7:00 a.m.to 5:00 p.m. ■ Maximum refuse height of 190 feet above mean sea level(ms]). In addition,the original environmental impact report(EIR)(1990)identified the use of heavy equipment for refuse disposal as occurring from 7:00 a.m.to 7:00 p.m.without consideration of distance to sensitive receptors(e.g.,nearby residences). In order to continue providing disposal services at the NCRC&SL,the County is requesting the following revisions to the SWFP. 1. Increase the maximum disposal tonnage limit from 825 to 1,200 tons of refuse per day. 2. Increase the maximum incoming vehicle trip limit from 600 to 850 vehicles per day. 3. Adjust and clarify the times of landfill facility operations as shown below. a. Restriction on equipment noise:Restrict the noise from heavy equipment to the hours of 6:00 AM to 10:00 PM if nearby residences are impacted by noise. If no residences are impacted,then no restriction would be imposed. b. Other activity. The landfill facility may be visited by County employees or other authorized personnel for other uses at any time. Such uses would include administrative tasks,equipment maintenance,operation of environmental control facilities, and use of construction equipment as needed to maintain compliance with other permit requirements. 4. Increase the maximum permitted fill elevation(height)of the landfill from the currently permitted maximum height of 1.90 feet msl to a maximum fill height of 420 feet ms].(Figure 1-3) Modern landfills must have multiple layers of containment and monitoring for environmental protection. By increasing the amount of refuse placed over a previously permitted surface, the cost of disposal is reduced. The most significant impact of this height increase is visual. It is anticipated that within the next 5 years,assuming approval of this height increase, an interim height of 270 feet ms) could be reached. The proposed permit revision does not include a lateral(horizontal) expansion of the existing landfill footprint. Notice of Preparation for the June 2006 North County Recycling Center and Sanitary Landfill 1-2 Permit Revision AS 06307.06