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Pro'ect Location: The project site is located on the south side of East River Road, 1,000 feet west of Harrold Avenue, southeast of Escalon. A copy of the map showing the location of the project site is attached. "Probable Environmental Effects of the Project" Air Quality: a The project will at times and as specifications require utilize Rubberized Asphalt Concrete generated by the asphalt batch plant for mainline portions of work as required by Caltrans or other project sponsors. This process may generate an odor such as a burning smell in some areas near the plant. The applicant has indicated it is aware of this and is willing to work with the supplier to include a masking agent. The project was referred to the San Joaquin Valley Air Pollution Control District(SJVAPCD)for review. In a letter dated March 29, 2010 the SJVAPCD stated the project is not expected to exceed the District's significance thresholds of 10 tons/year NOX, 10 tons/year ROG, and 15 tons/year PM10. The District concluded that the project specific criteria pollutant emissions would have no significant adverse impact on air quality. Noise: There are number of residences located near the quarry site. The nearest residences to the quarry site are located generally east and southeast of the plant equipment, approximately 2,200 to 3,000 feet southeast of the asphalt plant equipment. The applicant is proposing to extend operating hours from 9:00 p.m. to 5:00 a.m.for a limited number of nights specific nighttime projects only. During the extended hours, the nighttime operations will consists of only the asphalt batch plant, loaders, trucks including a water truck and the scale house. The project site is located outside of the 65 db exterior noise level standard for outdoor activity areas as indicated in the San Joaquin County Development Title Section 9-1025.9. An Environmental Noise Assessment was prepared on behalf of Munn and Perkins Inc, by Bollard Acoustical Consultants on August 23, 2010. The summary conclusion states that noise produced by the specific nighttime operations at the Munn and Perkins quarry site in San Joaquin County is predicted to be within acceptable limits as defined by applicable San Joaquin County Standards. In, addition, a there are no noise sensitive land uses in the immediate project vicinity. A separate review of the noise study was conducted by j.c. brennan &associates on behalf of an attorney representing some of the neighbors within the projects vicinity. The consultant raised a number of questions regarding the noise study, therefore the noise study will need to be reviewed in the EIR and additional information gathered. Traffic: The applicant is proposing ingress and egress from East River Road. The existing approved quarry excavation permit and the proposed extended hours of operation have been reviewed by the Public Works Department and Caltrans. The Department of Public Works in a letter dated March 24, 2010 and September 26, 2008 stated that during the extended hours truck traffic and "No Parking"along the River Road public right-of-way shall be monitored full time by the applicant .beginning one-half hour prior to any approved extended hour operations. The traffic study will f need to be reviewed in the EIR. IJJt