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Mitigation Measure Implementing Timing of <br /> Method of Verification Party Verification Monitoring Party j <br /> _.. .. -. ._.. _....._..__.- ....._...... _...__ ...._....._. ____.__. .. ------.___...I, <br /> • General Watering:The I <br /> construction contractor shall <br /> control fugitive dust emissions j <br /> during land clearing, grubbing, i <br /> scraping, excavation, land <br /> leveling, grading, cut and fill, <br /> and demolition activities by i <br /> j watering the construction site a <br /> ! minimum of two times daily i <br /> when soil conditions are dry. ± i <br /> j • Dirt Hauls:When materials are j <br /> transported offsite,the <br /> construction contractor shall <br /> ensure that all material is <br /> covered or effectively wetted to <br /> limit visible dust emissions, and j <br /> at least 24 inches of freeboard <br /> space from the top of <br /> j containers shall be maintained. <br /> • Dirt Carryout/Trackout:The <br /> construction contractor shall <br /> install and maintain an i <br /> approved carryout and trackout I j. <br /> prevention procedure(e.g., <br /> grisslies, gravel pads, paved <br /> interior roads)at the I <br /> construction ingress/egress. ! <br /> The construction contractor ( ' <br /> i shall remove mud or dirt that i <br /> has accumulated on adjacent <br /> public streets at the end of j <br /> each workday. In addition, I <br /> carryout/trackout shall be <br /> j immediately removed when it i <br /> extends 50 feet or more <br /> beyond the site exit. <br /> Carryout/trackout shall be i <br /> removed by manually j <br /> sweeping, using a rotary brush I <br /> broom accompanied or <br /> preceded by sufficient wetting, j <br /> operating a PM10-efficient <br /> street sweeper with a minimum <br /> pick-up efficiency of 80 percent, j <br /> or flushing with water if curbs or j <br /> gutters are notresent and <br /> p I <br /> where the use of water will not <br /> be a source of trackout material I <br /> or result in adverse impacts on <br /> stormwater drainage systems. <br /> • Conditions of Approval - 12- PA-0800005 <br />