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Analysis Background The existing quarry was originally permitted in 1957, and renewed under EP-75-3 (Excavation Permit). An EIR was prepared in 1975(EIR-75-6).The permit allowed the extraction of 1,500,000 cubic yards of sand and gravel. In 1981 EP (EP-81-6) was approved by the Board of Zoning Adjustment for the removal of 500,000 tons of material over a five year period. On August 3, 1989, the Planning Commission approved Quarry Excavation permit QX-89-2, with an expiration date of August 31,2009.This was a renewal of EP-81-6. On March 4, 1999 the Planning Commission approved a Revision of Approved Action application to amend Ordinance Development Requirement No. 14 and Condition of Approval No.1.d. Ordinance Development Requirement No. 14: Duration of Approval: Extend the life of the permit 30 years from the original date of approval,with an expiration date of March 4,2029. Condition of Approval No.1.d: The excavation and rehabilitation shall progress as indicated in the submitted rehabilitation plan.The excavation and rehabilitation shall be complete prior to 30 years from the date of approval of the Revisions of Approved Actions. Project Setting Permitted activities for the site consist of processing of aggregrate materials (sand and gravel). Aggregrate is trucked to the site from source pits, washed, screened and crushed.Additional sand is excavated from the quarry located northeast of the project site and transported via conveyor belts underneath East River Road to the processing facilities. The processed aggregrate is either directly hauled to the construction site, or is used for the onsite asphalt concrete hot mix batch plant(AC plant). The site consist of reclaimed areas, reserve areas, wash ponds, production facilities, administrative offices, and access roads. The reclaimed and reserve areas are mostly planted in orchards. The orchards are fanned by independent contractors. The project site is adjacent to the north, south, east and west by agricultural lands (almond and walnut orchards)and scattered residences. Discussion of Project Issues Environmental Impact Report No. PA-0900114 (SCH#2005082001) was prepared for this project. Issues for which significant impacts that could not be mitigated were identified, and issues that have been raised in written and oral comments are discussed below. As described in the EIR Chapter 2. "Project Description", the environmental changes analyzed in this EIR pertain only to the proposed changes in operating during nighttime hours 9:00 p.m. — 5:00 a.m. for no more than 125 days per year. All other permitted uses of the existing facility will remain unchanged. Visual and Lighting Existing lighting at the plant consists of safety lighting at the processing area. The Public Works Department has expressed the need for additional traffic safety lighting at the plant entrance. Additional safety lighting at the plant entrance on East River Road would be the only additional lighting on the project site. Residential land uses are particularly sensitive to new light sources, however, there are no residences or other sensitive receptors near the project entrance that would be substantially affected by the addition of safety lighting. One rural residence to the east has a partially obstructed view of the project site, however new safety lighting San Joaquin County QX-89-0002/Aggregates Inc. Community Development Page 4