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Western Mater Products 21756 Twinford Drive, Lake Forest, CA 92630 * Tel (949) 581-8998 * Fax(949) 768-4878 Statement of Equipment Performance and Water Quality Improvement for Above Ground Clarifier & Recycling System An Above Ground Clarifier(AGC) may be used as a stand alone sanitary sewer discharge system for vehicle wash water, or they may also be used as a pre-treatment system when used as part of a wash water recycling system. The ability of these systems to produce acceptable water quality for either sewer discharge wash water recycling will have a direct relationship to the quality of the incoming effluent wash water and proper maintenance performed on the equipment. Heavy emulsifying detergents, chemicals and lack of proper equipment maintenance can cause the sewer discharge or recycled wash water quality to vary such that the system may not meet the acceptable levels required. Therefore, care must be exercised to perform proper routine maintenance and minimize chemical usage so that quality levels are maintained for the systems intended use. AGC sewer discharge systems and water recovery systems incorporate many water-cleaning technologies. Each technology is incorporated in the system in a logical fashion to step by step improve water quality and reduce maintenance. The performance of routine maintenance required or specified in the Operations Manual is important in assuring consistent water quality. Under normal operation, with proper routine maintenance, these clarifier and water recycling systems can produce a consistent water quality which is acceptable in most discharge, pre- treatment or recycling applications. However, because routine maintenance can and does vary and due to changes in effluent makeup, water quality cannot be guaranteed. It can be stated for most applications that the filtration technologies and components provided with these system will typically allow for discharge or reuse of the treated wash water in the washing process or make it suitable for discharge to most sanitary sewer districts. The filtration technologies available when purchasing a complete wash water recycling package will typically: • Reduce oils and greases to below 15-25 PPM • Drop C.O.D.'s and B.O.D.'s typically over 75% to acceptable sewer discharge levels. The ozonation option provided can greatly improves performance in this area. • Reduce suspended particulate to between 10-20 microns or below depending on the polish filters provided • Remove a high percentage of heavy metals. The ozonation option can greatly improve performance in this area. • Reduce typical odors caused by bacteria, sulfides and organics. The ozonation option can greatly improve performance in this area.