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WASTE DISCHARGE REQUIREMENTS ORDER NO. R5-2008-0148 3 <br /> LAWRENCE LIVERMORE NATIONAL SECURITY, LLC AND <br /> THE U.S. DEPARTMENT OF ENERGY FOR <br /> LAWRENCE LIVERMORE NATIONAL LABORATORY SITE 300 <br /> SAN JOAQUIN AND ALAMEDA COUNTIES <br /> ATTACHMENT 4 - CONTINUED <br /> Description of Site 300 low threat discharges to ground along with required <br /> Best Management Practices <br /> Type of discharge Best management practices <br /> Wet hose drills and hose tests Allow water from drills to evaporate or percolate into the <br /> ground to prevent discharge directly into storm drain or <br /> (hose tests, up to 3000 gallons surface water. <br /> annually; drills, vary depending on <br /> drill scenario) Implement erosion prevention measures. <br /> Fire apparatus rinsing Rinse one to two times per week at the Fire House using a <br /> minimum amount of potable water and wipe down. <br /> (up to 100 gallons per vehicle) <br /> Allow excess water to evaporate or percolate into the ground <br /> to prevent discharge directly into storm drain or surface water. <br /> No soaps, detergents, or chemical cleaners can be used. <br /> When a full cleaning is required, the equipment is taken to an <br /> approved wash facility. <br />