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entrained in the ambient air as a result of emissions generated from fugitive dust <br /> sources. Four rules of this regulation would apply to the proposed project: Rule 803 <br /> (Open Areas/Staging Areas); Rule 804 (Open Storage of Bulk Material); Rule 805 (Paved <br /> Roads); and, Rule 806 (Unpaved Roads). These rules would require that permits be <br /> obtained from the APCD for these activities, preparation of a dust control plan for <br /> approval by the APCD, implementation of stricter dust control measures (at least 75 <br /> percent control), and several other requirements. These requirements would, in turn, <br /> require additional mitigation measures that would potentially further reduce the dust <br /> impacts from the sites. <br /> 3.5.3 Mitigation Measures <br /> The following measures are recommended to mitigate potentially significant <br /> impacts from fugitive dust and other emissions to less than significant levels. <br /> 1. Water or other dust suppressants shall be applied to all working surfaces and on- <br /> site service roads at least twice per day, and in a large enough quantity so that <br /> the surface of the soil is moist. <br /> The applicant shall maintain proper records which shall be available for <br /> scheduled or unscheduled inspection by the County and the Air Pollution Control <br /> District (APCD). These records shall contain: <br /> - All travel routes to be treated shall be referenced on a plot plan available <br /> to both the site operator and regulatory personnel. <br /> - Length and area of surfaces to b5 watered. <br /> - Application intensity, i.e. gal/yd <br /> - Application frequency <br /> - Application vehicle type and tank capacity <br /> - Water source <br /> - Date and time of application <br /> - Equipment used <br /> - Start and stop time, average speed, and number of passes <br /> - Start and stop time for filling of water tank <br /> - Equipment maintenance logs <br /> - Records of equipment breakdown and downtime <br /> - General weather condition logs <br /> - Operator initials <br /> 2. Equipment travel shall be restricted to dust controlled routes and speeds shall be <br /> restricted to 15 mph or less for on-site vehicles unless a higher speed limit is <br /> approved in writing from the San Joaquin County Air Pollution Control District. <br /> 3. Although the Proposed Regulation VIII has not been approved yet by the San <br /> Joaquin County APCD, once adopted, the applicant shall conform to the <br /> requirements specified within it to assure that appropriate steps have been taken <br /> 79 <br />