THIS IS AN ADMINISTRATIVE ORDER FOR REMEDIAL ACTION AT THE ANACONDA PONDS REMEDIAL DESIGN UNIT OF THE ANACONDA SMELTER SITE. THE ANACONDA PONDS ENCOMPASS A LARGE TAILINGS IMPOUNDMENT CONSISTING OF TWO CELLS LOCATED AT SMELTER HILL, EAST OF THE MAIN SLAG PILE. THE PONDS CONTAIN APPROXIMATELY 97 MILLION CUBIC YARDS OF TAILINGS COVERING APPROXIMATELY 480 ACRES TO A DEPTH OF 90 FEET.