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Minnesota Pollution Control Agency <br />March 14, 1984 <br />Mr. George Frisch, Chairman <br />Metropolitan Waste Control Commission <br />350 Metro Square Building <br />Saint '-iul, Minnesota 55101 <br />Dear Mr. Frisch: <br />On March 15, 1984 the Metropolitan Waste Control Commission <br />(MWCC) is holding a public meeting on the proposed Central <br />Treatment/Recovery Facility. This facility is being proposed <br />to reduce the amount of metals and cyanides presently being <br />discharged to public sewers in the Twin City Metropolitan area. <br />The Minnesota Pollution Control Agency (MPCA) has several <br />comments we wish to offer through this letter at the public <br />meeting. <br />The MPCA staff supports the concept of central treatment <br />facilities to satisfy the requirements of categorical pre— <br />treatment standards promulgated by the U.S. Environmental <br />Protection Agency (EPA). Central recovery facilities offer the <br />users an affordable treatment method to process solid waste, <br />liquid wastes and ion/exchange resin canisters to recover <br />metals and metals precipitates for sale and reuse. <br />Unrecoverable waste would be detoxified by encapsulation thus. <br />transforming them into solids to be disposed of in approved <br />landfills. Individual facilities serving each industry might <br />not otherwise be able to utilize recovery and detoxification <br />processes much preferred by environmental standards and <br />regulations. This proposed option also provides local <br />treatment for locally based industries. The MPCA staff has <br />supported and continues to support this approach to pollution <br />control abatement. <br />The MPCA has responsibility for the protection of the <br />environment through the permitting and enforcement of waste <br />treatment facilities. As the State of Minnesota seeks RCRA <br />delegation we bring the State closer to total regulatory <br />control of these industries. Before the construction of any <br />central treatment/recovery facility, the MPCA will be required <br />to prepare, at a minimum, an environmental assessment worksheet <br />Phone: . <br />1935 West County Road B2, Roseville, Minnesota 55113-2785 <br />Regional Offices + Duluth,Brainerd/Detroit Lakes /Marshall;Roches ter <br />Equal Opportunity Emplo <br />