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Item No._3_ BA c' 11-1.2-81 EP-81-9/EIR-81-5 I'age 2 - PROJECT: Application by Stockton Sand and Gravel, Inc. to excavate 712, 000 cubic yards of dredge tailings, overburden, and gold. The application number is EP-81-9 and Environmental Impact Report number EIR-81-5 has been prepared for this project. - LOCATION : (Vicinity Map 1) Approximately 10 miles east of Linden on Waverly Road. - ZONING AND GENERAL PLAN DESIGNATIONS : Current zoning is GA-160 (General Agriculture, 160 acre minimum parcel size) . Agriculture designation on the General Plan to 1995 . - LAND USES : (Land Use Map 2) Dry pasture on subject parcel. Dry pasture and scattered residences in vicinity. Sanitary landfill about 1 mile south of the site. Existing Stockton Sand and Gravel excavation site is located at the Calaveras River, roughly 1 mile northwest of the proposed site. EP-80-2 was approved for the existing site on October 11, 1979 and the permit will expire October 11, 1983. The proposed excavation represents a transfer of operations, as excavation at the Calaveras River site is near completion. Equipment will be moved from the present site to the proposed site if the project is approved. - PROJECT EXCAVATION AND REHABILITATION : Operations will be phased over the 5 year project life. Project Map 3 shows the areas contained in each phase. The Schedule of Excavation and Rehabilitation describes where and when the work will be commenced and completed. ENVIRONMENTAL IMPACT REPORT: 1. Impact: Air Quality Degradation (Noise, Exhaust Emissions , Dust) A significant noise impact outside the immediate work site will be on the residence located about 150 feet west of the work site. Access to the site is just south of this residence on Waverly Road so that haul trucks will have to pass the house for ingress and egress purposes. The maximum acceptable noise level for the exterior of a residence is 65 decibels (dBA) . This level will be exceeded by the proposed excavation. San Joaquin County has been designated a Non-Attainment Area because it does not meet the air quality standards set forth in the amended Clean Air Act of 1977 . Any air quality degradation caused by projects should be considered significant both for its adverse effects on air quality conditions and for the detrimental effect it will have on efforts to attain federal and/or State standards. Air_ quality degradation will result from the opera- tion of trucks used to transport aggregate materials.