THIS IS A REFERRAL AGAINST IDAHO MINERALS, INC., WOUNDED BULL RESOURCES, INC., AND MONETA PORCUPINE MINES, INC., (COLLECTIVELY, IMI ) FOR VIOLATIONS OF SECTION 113(A) OF THE CAA. SPECIFICALLY, IMI REPEATEDLY VIOLATED THE IDAHO STATE IMPLEMENTATION PLAN BETWEEN 1996 AND 1998 BY OPERATING A PERLITE MINE AND MILL WITHOUT OBTAINING PROPER AUTHORIZA- TION FROM THE IDAHO DIVISION OF ENVIRONMENTAL QUALITY AND IN VIOLATION OF THE IDAHO SIP VISIBLE EMISSION LIMIT OF 20% OPACITY. EPA AND THE STATE OF IDAHO PLAN TO FILE THIS CASE JOINTLY.