THE BUNKER HILL SUPERFUND SITE IS A TWENTY-ONE SQUARE MILE AREA IN NORTHERN IDAHO. THE SITE INCLUDES THE INACTIVE BUNKER HILL MINING AND METALLURGICAL COMPLEX AND THE CITIES OF KELLOGG, PINEHURST, SMELTERVILLE, AND WARDNER WITH A TOTAL POPULATION OF APPROXIMATELY 5000. THIS SITE HAS WIDESPREAD CONTAMINATION FROM MINE TAILINGS, EMISSIONS FROM THE SMELTER COMPLEX OPERATIONS, AND BLOWING DUST FROM TAILINGS PILES AND OTHER BARE AREAS. THIS RD/RA CONSENT DECREE PROVIDES FINAL SETTLEMENT OF THE OBLIGATIONS OF ONE GROUP OF POTENTIALLY RESPONSIBLE PARTIES (PRPS) FOR THE SITE. THIS GROUP ( THE UPSTREAM MINING COMPANIES ), INCLUDES HECLA MINING COMPANY, ASARCO INCORPORATED, SUNSHINE MINING COMPANY, SUNSHINE PRECIOUS METALS, COEUR D'ALENE MINING CORPORATION AND CALLAHAN MINING CORPORATION. THESE AND OTHER UPSTREAM MINING COMPANIES CONTRIBUTED TAILINGS TO THE SOUTH FORK OF THE COEUR D'ALENE RIVER WHICH HAVE COME TO BE LOCATED THROUGHOUT THE VALLEY FLOOR WITHIN THE SITE. THE SETTLEMENT REQUIRES THE UPSTREAM MINING COMPANIES TO: 1) REMEDIATE ALL CONTAMINATED RESIDENTIAL YARDS, COMMERCIAL PROPERTIES, AND RIGHTS-OF-WAY LOCATED WITHIN THE RESIDENTIAL AREAS OF THE SITE, 2) CLOSE ALL CONTAMINATED WELLS WITHIN THE RESIDENTIAL AREAS AND, IF NECESSARY, ATTACH USERS TO A MUNICIPAL WATER SYSTEM, 3) CLOSE THE PAGE PONDS TAILINGS IMPOUNDMENT AND REMEDIATE THE WE