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WASTE DISPOSAL <br /> Three types of waste will be generated from the waste water being treated in the system. <br /> I. Sludge is produced in the sand filter which, depending on the system configuration, is <br /> normally returned to the sump/tank during backwashing. In most configurations, the <br /> waste water will also settle in the sump/tank, causing sludge to settle. Excessive buildup of <br /> the sludge must not occur, or the sump/tank will not operate correctly. The sludge must <br /> be regularly disposed of to an approved facility. <br /> 2. Waste oil may be generated from the coalescer. Normally this can be disposed of to a <br /> waste oil collection service. <br /> 3. If the level of colloidal or dissolved solilds in the water being recycled increases to the <br /> point where it becomes unacceptable, the water may have to removed and replaced. <br /> Additional equipment is available from the factory to deal with these situations if required. <br /> WARNING <br /> REFER TO LOCAL, STATE AND FEDERAL REQUIREMENTS PRIOR TO <br /> DISPOSING OF WASTES FROM THIS TREATMENT SYSTEM. <br /> WASTES FROM THIS TREATMENT SYSTEM MAY BE HAZARDOUS. HANDLE <br /> THEM WITH APPROPRIATE METHODS TO AVOID PERSONAL INJURY, OR <br /> DAMAGE TO HEALTH. <br /> 19 <br />