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VEHICLE AND EQUIPMENT WASHING <br /> DESCRIPTION <br /> Washing vehicles and equipment outdoors or in areas where wash water runoff can <br /> pollute storm water. Wash water can contain high concentrations of oil and grease, <br /> phosphates (detergents) and metals. These and other potentially harmful substances <br /> can pollute storm water when deposited on the ground where they can be picked up by <br /> rainfall runoff. <br /> Prevent or reduce the discharge of pollutants to storm water from vehicle and <br /> equipment washing. <br /> I.Use designated wash areas. <br /> 2.Berm area or construct to cause gravity flow in area to contain wash area. <br /> 3.Discharge wash water to sanitary sewer with permit from the local sewer <br /> authority. <br /> 4.Filter wash water or use separator. <br /> 5.Educate employees on pollution prevention measures. <br /> 6.Prohibit wash water from entering the storm drain. <br /> 7.Prohibit use of solvents. <br /> Exterior Building Surfaces and Fixed Outdoor Equipment <br /> LIT the wash water is clean, direct wash water to landscaping strips when feasible. <br /> If this is not feasible, and the water has been determined to be sewerable by ERT <br /> collect and pump the water to the sanitary sewer connection. <br /> 2.If use of landscaping strips is not feasible, or the water has been determined to be <br /> non-sewerable, estimate the amount of wastewater that will be generated during <br /> the washing operation and arrange to have containers available. <br /> 3.If containers are to be used, appropriately dispose of wastewater. <br /> 4.Following the washing operation, the area should be swept to remove debris and <br /> residue. <br /> 5.Washing of exterior building surfaces and fixed outdoor equipment should be <br /> postponed if rain is forecast. <br /> WASHING OF EXTERIOR BUILDING SURFACES <br /> AND FIXED OUTDOOR EQUIPMENT <br /> DESCRIPTION <br /> Washing exterior building surfaces and fixed outdoor equipment can pollute storm <br /> water. In general, water from exterior building surfaces is an allowable discharge. No <br /> cleaning chemicals may be used. However, if you suspect the washwater to be <br /> contaminated (high lead or zinc concentrations), make the provisions to contain and <br />