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Potential Sources Pollutants of <br /> Activity Best Management Practices <br /> of Pollutants Concern <br /> ➢ Quarry haul and scraper roads are watered to help in agglomeration <br /> of small particles and to prevent small particles from becoming <br /> airborne when vehicles travel over the road surface. <br /> > Stormwater runoff is directed towards a detention pond northwest of <br /> Unpaved surfaces Sediment TSS the quarry area. <br /> > Open areas of disturbance are stabilized with rock mulch. Drainage <br /> swales, channels, and diversions are stabilized with rock mulch and <br /> rip rap. <br /> > Accumulated sediments in drainage swales, channels, and arroyos <br /> are cleaned as necessary. <br /> 10 <br />