THIS REFERRAL ADDRESSES ALLEGED VIOLATIONS AT CENEX'S LAUREL, MT REFINERY. THIS INFORMATION IS BASED PRIMARILY ON THE RESPONSES TO OUR INFORMATION REQUEST AND THE NEGOTIATIONS THAT TOOK PLACE THIS YEAR. CENEX AND EPA ARE WORKING ON THE TECHNICAL PROVISIONS OF AN AGREEMENT THAT WILL RESULT IN NOX, PARTICULATE AND SO2 EMISSION REDUCTIONS FROM THE FCCU AT THE LAUREL, MT REFINERY.