A PROSPECTIVE PURCHASER APPROACHED EPA IN 1997 REQUESTING A COMFORT LETTER OR A PPA. THE PROSPECTIVE PURCHASER, IOWA NATURAL HERITAGE FOUNDATION, ALSO SEEKS RESOLUTION OF POTENTIAL LIABILITY IF IT PURCHASES THE SITE. WE CONSULTED WITH THE REGION VII SUPERFUND PROGRAM AND OECA AND THEN PREPARED THIS REQUEST FROM JUSTICE FOR APPROVAL OF THE PPA.