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A y STATE OF MINNESOTA ' MINNESOTA POLLUTION COUNTY OF RAMSEY CONTROL AGENCY NOTICE OF PERMANENT LIST OF PRIORITIES AMONG RELEASES OR THREATENED RELEASES OF HAZARDOUS SUBSTANCES, POLLUTANTS OR CONTAMINANTS. NOTICE IS HEREBY GIVEN that the Minnesota Pollution Control Agency (MPCA) is publishing for public comment its proposed Permanent List of Priorities among releases or threatened releases of hazardous substances, pollutants or contaminants for which the MPCA intends to take removal or remedial action. The statutory basis for and an explanation of the MPCA's proposed Permanent List of Priorities is discussed below. Pursuant to the Environmental Response and Liability Act, Minnesota Laws, 1983, Chapter 1158 (ERLA) the MPCA is authorized to take any removal or remedial action which the MPCA deems necessary to protect the public health or welfare or environment whenever there is a release or substantial threat of release from a facility of any pollutant or contaminant which presents an imminent and a substantial danger or whenever a hazardous substance is released or there is a threatened release of a hazardous substance from a facilty. 3 ERLA (Section 17, Subd. 13) requires the MPCA to establish prioritization rules and a permanent list of priorities among releases or threatened releases • of hazardous substances, pollutants or contaminants. The prioritization rules, MPCA Chapter 7044, were effective July 1, 1984. The proposed Permanent List of Priorities was developed according to the process set forth in MCAR 7:044.0400. Each site listed has been ranked using the modified Hazard Ranking System (HRS) method, as required by MCAR 7.044.1000. Each site has also passed the prescreening test of MCAR 7044.1200 for eligibility. 2 The numerical scores generated by the HRS scoring process should not be f interpreted as exact number priorities. The scores shown indicate the relative ranking and. general classification of sites, but sites with scores within approximately ten points of each other may be considered roughly equivalent in s terms of a known or possible public health or environmental threat. The proposed Permanent List of Priorities reflects the "relative risk or danger to public health or welfare or the environment, taking into account to the extent possible the population at risk, the hazardous potential of the i hazardous substances at the facilities, the potential for contamination of rdrinking water supplies, the potential for human contact, the potential for a destruction of sensitive ecosystems, the administrative and financial capabilities of the agency, and other appropriate. factors" (ERLA, Section 17, Subdivision 13) . 3 "Removal" actions are defined in ERLA to include cleanup or removal of released hazardous substances, pollutants or contaminants, actions necessary to monitor, test, analyze and evaluate releases or threatened releases, provision • of alternative water supplies, security fencing, temporary evacuation and P stance. housing of threatened individuals and emergency assi