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I. The loader, haul trucks, and any other heavy equipment shall be fitted with state-of-the-art noise shielding and muffling devices. Such devices may reduce noise from individual pieces of machinery by up to 10 dBA over noise without noise abatement devices (U.S. Environmental Protection Agency, 1971). 2. Noise generating activities shall be avoided between 7 p.m. and 7 a.m. when they would be most disruptive. Excavation activities shall be prohibited during weekends and holidays, except in emergency situations such as natural disasters. 3. Noise level monitoring should be conducted at the nearest residences when extraction activities approach approximately 300 feet of the bluff. Noise monitoring shall be conducted in accordance with the County Noise Ordinance (Chapter 16, Section 9-3800). If monitoring indicates that noise levels exceed 65 db Ldn at the property line, then further noise mitigation should be implemented. This could include not allowing any extraction activity beyond the point at which the noise effects occur. Mitigation shall also be required if noise monitoring indicates an increase of approximately seven dBA or more over ambient levels at the nearest residence and the resident complains about noise levels. 3.7 Public Facilities 3.7.1 Setting Emergency Seri-ices The project site is served by the Clements Rural Fire District. The local fire station is staffed by one full-time firefighter acid 25 volunteers. Fire department response time to the existing processing facility is estimated to be approximately seven minutes, while response time to the proposed quarry site would be approximately eight minutes. Law enforcement in the project area is provided by the San Joaquin County Sheriff's Department and the California Highway Patrol. The Fire department provides emergency first aid and rescue operations; however for ambulance assistance, a unit would have to be dispatched from Lodi, to the west, where medical attention is available. Under optimum conditions response time to the project area would be approximately 15 minutes, or a minimum of 30 minutes, round trip. 9;