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conditioning, upgrading windows and doors (including seals), and eliminating noise flanking paths. Sound insulation would ensure that interior noise level standards contained in the San Joaquin County Development Title are met, except where affected property owners do no want sound insulation. (8) The construction of 6-to 8-foot solid fences or sound walls may be feasible (especially for some residences along Haul Route 3) and may be able to substantially reduce noise from haul trucks at some of the residences along the haul route. In such cases, the mine should compensate homeowners for the fences or sound walls. However, for the residences on Segment 5 (residence R9) and Segment 8 (residence R10), fences or sound walls would probably not be practical or feasible. In these locations the homes are set back a considerable distance from the road and in order to reduce traffic noise to a less-than- significant level, sound walls would need to be too massive to be practical. Residence R10 on Segment 8 is also subjected to considerable existing noise from traffic on 1-5, so any sound wall on Blewett Road would be ineffective in reducing noise from 1-5. w. AIR QUALITY (1) 4.6.7: The project applicant shall comply with SJVAPCD's Regulation VIII control measures, and shall have an onsite air quality monitor to ensure compliance with the SJVAPCD's Regulation VIII control measures. The monitor must be familiar with the SJVAPCD Regulation VIII Fugitive PM10 Prohibitions, including implementation of all feasible control measures specified in the SJVAPCD's Guide for Assessing Air Quality Impacts. (2) 4.6.2: While several emission-reducing measures are currently available, current proven technology limits the maximum reductions. These operational impacts are a significant impact of the project after mitigation.The project proposes to operate new equipment, both on-site non-road equipment and haul trucks.This provides the best available operating efficiency for the equipment. Currently, additional retrofits to reduce NOx emissions below acceptable emission standards would be cost-prohibitive. Catalytic particulate filters and the use of ultra low sulfur fuels do not substantially reduce NOx emissions. (3) 4.6.4a: The applicant shall either utilize new model year on-site machinery equipped with the best available DPM control technology, or retrofit its fleet of excavators, on-site haul trucks, and front end loaders with catalyzed DPM filters to minimize DPM emissions, or, in those limited instances where the retrofit would impede the function or life of the equipment, or presents safety concerns, the applicant shall comply with alternative measures developed by the Air Board. x. GEOLOGY.SOILS,AND SEISMICITY (1) 4.7.4: Earthquake Preparedness and Response Plan. Prior to commencement of mining, the applicant staff shall complete an Earthquake Preparedness and Response Plan (EPRP)to address worker safety and plant operation status during and following a major earthquake. The EPRP shall be included or become a supplementary document to the standard site health and safety plan. The EPRP shall be prepared, implemented, and self-monitored by the applicant. The EPRP shall include pre-earthquake and post-earthquake preparedness requirements for the facility that include : A. Emergency evacuation routes to clear people of unsafe equipment and buildings, Conditions of Approval -6 - QX-01-0002