ON MARCH 29, 2001, EPA ISSUED A FINDING OF VIOLATION TO XCEL ENERGY FOR VIOLATING THE SUBPART FFF EMISSION LIMITS FOR PARTICULATE MATTER, SULFER DIOXIDE, AND HYDROGEN CHLORIDE. IN THE FOV, EPA ALLEGED THAT BASED ON THE STACK TESTS CON- DUCTED IN JUNE 1999 AND OCTOBER 1998, EMISSION FROM THE TWO COMBUSTORS EXCEEDED THE LIMITS ESTABLISHED BY SUBPART FFF.