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4.11 Hazards and Hazardous Materials as well as an emergency response actions to incidents involving those hazardous materials and wastes. The plan would be located on the property at all times and employees would be trained on the details of the plan. The project would utilize diesel fuel and gasoline for vehicle fuel and back-up power generation. There would be two 10,000 gallon above-ground diesel fuel tanks,and one 3,000 gallon above- ground gasoline tank. The gasoline and diesel fuel tanks would have double wall containment and leak alert systems with alarms. Fuel tanks would be fitted with automated inventory control systems. Waste oil from machinery would be stored in above-ground storage tanks within covered containment areas. Waste oil would be properly identified as waste oil, with signs identifying the date the filling of the tank began. Licensed waste oil recyclers would recycle all waste oil. Oils and grease would be stored within covered containment areas to prevent spillage. Used oil filters would be crushed with property designed waste filter crushing machines. Waste oil ` collected from this process would be stored within the waste oil tank. Crushed filters would be stored within covered containers and recycled through licensed filter recyclers. Antifreeze would be stored in properly labeled, marked, and dated containers. Stored antifreeze would remain under cover and would only be recycled through licensed waste antifreeze recyclers. Solvent would be stored and used within designated parts washers. Solvent would only be replaced and recycled by properly licensed solvent recyclers. Used batteries would be stored off the ground, under a covered area. Batteries would be recycled through licensed battery recyclers. Bottles of oxygen and acetylene,used in maintenance projects, would be chained and stored under cover separately for safety purposes. Properly licensed dealers would handle replacement bottles. Admixtures would be stored within covered containers,and the containers would be located within containment areas. Domestic garbage would be stored in various covered garbage cans, and would be picked up on a regular schedule by a local garbage service. All trucks exiting the yard would be required to drive through a wheel wash before exiting the site to prevent silts from being carried onto County roads. Silts from the wheel washers would be ` directed to the settling ponds. Potential Receptors The sensitivity of potential receptors in the areas of known or potential hazardous materials contamination is dependent upon several factors,the primary factor being an individual's potential pathway for exposure. The mining employees would have the highest potential for exposure to groundwater and/or soil contamination. The general public would be restricted from r the mining and aggregate processing areas. Mining Safety Requirements The resulting pits from the mining would create an attractive nuisance. Section 7178 of the California Department of Industrial Relations, Division of Industrial Safety, Mine Safety Orders r require that open excavations be properly secured. Also, if someone falls into any of the pits,the quarry would be properly designed so that the steep slopes would not preclude a safe exit. r RMC Pacific Vernalis Quarry Mining and Reclamation Project - ESA/203015 Draft Environmental Impact Report May 2006 r