THIS SETTLEMENT AGREEMENT CONCERNS THE PREPARATION AND PERFORMANCE OF A REMEDIAL INVESTIGATION AND FEASIBILITY(RI/FS) AT THE US MAGNESIUM NATIONAL PRIORITIES LIST SITE LOCATED ON THE WESTERN SHORE OF THE GREAT SALT LAKE IN TOOELE COUNTY, UTAH AND THE REIMBURSEMENT FOR RI/FS COSTS INCURRED BY EPA IN CONNECTION WITH THE RI/FS.