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The purpose of this database is to provide a comprehensive list of known SWMUs, <br />potential SWMUs, and Areas of Concern (ADCs). A SWMU is defined as any discernable <br />waste management unit at a RCRA facility from which a hazardous constituent may <br />migrate, irrespective of whether the unit was intended for the management of <br />solid/hazardous wastes. Examples include, surface impoundments, waste piles, land <br />treatment units, landfills, containers, tanks, incinerators, injection wells, recycling <br />units, waste water treatment units, and others generally exempted from standards <br />applicable to hazardous waste management units. This definition also includes areas <br />contaminated by routine, systematic, and deliberate discharges from process areas. <br />(RCRA Facility Assessment Guidance documnt, Permits and State Programs Division, <br />Office of Solid Waste U. S. Environmental Protection Agency,1986.) <br />Potential SWMUs, as used in this database, are areas that may have been used for <br />storage and/or disposal of hazardous wastes from which a hazardous constituent may <br />migrate, irrespective of whether the unit was intended for the management of <br />solid/hazardous wastes. <br />Areas of Concern (ADCs), as used in this database, are areas that are referenced <br />in previous reports or on maps that may have contributed to soil or groundwater <br />contamination. <br />The symbols used in each column of the database are explained below. <br />A#3 Area of concem number 3 <br />S#3 Solid waste management unit number 3 <br />PS#3 Potential solid waste management unit number 3 <br />Unit/Am <br />SWMU Solid Wste Managemnt Unit <br />SWMU? Potential solid waste management unit <br />AOC Area of Concern <br />►/ <br />M <br />metals <br />S <br />solvents <br />P <br />paint <br />Misc. <br />various liquids and cleaning wastes,(including wash water from steam <br />cleaners, antifreeze, etc.) <br />VOCs <br />volatile organic compounds <br />PH <br />pesticides, herbicides <br />R <br />radioactive materials <br />POL <br />petroleum, oil, lubricant <br />BA <br />battery acid <br />Org. <br />various organics <br />Inorg. <br />various inorganics <br />M.. Grid Location <br />17 <br />no availab <br />SBall south balloon <br />NBall North Balloon <br />Bm # <br />not applicable <br />? no information available <br />