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<br />12/17/2007 <br /> <br />a. Watering shall be used to control dust generation during demolition of <br />structures and break-up of pavement; <br /> <br />b. All trucks hauling demolition debris from the site shall be covered; and <br /> <br />c. Whenever possible, dust-proof chutes shall be used for loading debris <br />onto trucks. <br /> <br />2. All Construction Phases. Require implementation of the following dust control <br />measures by construction contractors during all construction phases: <br /> <br />a. Water all active construction areas at least twice daily and more often <br />during windy periods. Active construction areas adjacent to existing land <br />uses must be kept damp at all times, or must be treated with non-toxic <br />stabilizers or dust palliatives; <br /> <br />b. Water or cover all stockpiles of debris, soil, sand, or other materials that <br />can be blown by the wind; <br /> <br />c. Cover all trucks hauling soil, sand, and other loose materials, or require <br />all trucks to maintain at least two feet of freeboard; <br /> <br />d. Pave, apply water three times daily, or apply (non-toxic) soil stabilizers on <br />all unpaved access roads, parking areas, and staging areas at <br />construction sites; <br /> <br />e. Sweep daily (preferably with water sweepers) all paved access road, <br />parking areas, and staging areas at construction sites; <br /> <br />f. Sweep streets daily (preferably with water sweepers) if visible soil <br />material is carried onto adjacent public streets; <br /> <br />g. Hydroseed or apply non-toxic soil stabilizers to inactive construction <br />areas; <br /> <br />h. Enclose, cover, water twice daily, or apply non-toxic soil binders to <br />exposed stockpiles (dirt, sand, etc.); <br /> <br />i. Limit traffic speeds on unpaved roads to 15 miles per hour; <br /> <br />j. Install sandbags or other erosion control measures to prevent silt runoff to <br />public roadways; and <br /> <br />k. Replant vegetation in disturbed areas as quickly as possible. <br /> <br />Findings: Implementation of Mitigation 15-1 will reduce the air quality impacts <br />related to construction emissions to a less-than-significant level. <br /> <br />Atty/Reso/Reso.1772 <br />121707 <br /> <br />42 <br /> <br />14829 <br />Muff# 613 <br />