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ensure that construction mitigation is implemented , <br /> final approval must not be given to any site <br /> development until the developer/contractor submits a <br /> satisfactory construction mitigation plan. This plan <br /> must specify the methods of control that would be <br /> used, demonstrate the availability of needed <br /> equipment and personnel , and identify a responsible <br /> individual who , if needed, could authorize generation <br /> and implementation of additional measures . <br /> The construction dust mitigation plan must , at a <br /> minimum, include the following recommendations or <br /> equivalent measures for areas of active construction : <br /> - suspend earthmoving or other dust-producing <br /> activities during periods of high winds when <br /> dust control measures are ineffective in <br /> controlling visible dust plumes ; <br /> - make available dust control equipment and staff <br /> as needed to control excessive amounts of dust <br /> from excavated or graded soil surface areas . <br /> The dust control measures must be in conformance <br /> with Air Pollution Control District regulations <br /> and shall include, but are not limited to , soil <br /> stabilization or soil surface treatment . When <br /> water is used to treat the soil surface an <br /> appropriate dust palliative or suppressant must <br /> be added to the water before applications ; <br /> water or cover stockpiles of debris , soil , sand, <br /> or other materials that can be blown by the wind; <br /> sweep construction areas and adjacent streets of <br /> all mud and debris , since this material can be <br /> pulverized and later resuspended by vehicle <br /> traffic; <br /> limit the speed of all construction vehicles to <br /> 15 miles per hour on unpaved roads while on site; <br /> cover or wet down all materials transported by <br /> truck; <br /> water all inactive portions of the Project Site <br /> with an appropriate dust suppressant or cover or <br /> seed inactive areas . Completed areas of the <br /> site and long-term stockpiles of soil must be <br /> seeded within 30 days of completion of activity. <br /> • See FEIR, Section 4 . 15 . <br /> C2-73 <br /> 0189r/0202r <br />