E.I. DUPONT DE NEMOURS

On March 18, 2009, EPA issued a Notice of Determination (“NOD”) pursuant to the Self-Disclosure Policy. The NOD is based on self-disclosures provided by DuPont de Nemours and Company (“DuPont”) regarding a violation of Sections 113 and 601 et seq. of the Clean Air Act (“CAA”), 42 U.S.C. §§ 7413 and 7671 et seq., at its contractor-operated facility, Diversified Converters, Inc., located in Chester, Virginia (“Diversified”). DuPont violated Subchapter VI, Stratospheric Ozone Protection, of the CAA, 42 U.S.C. § 7671 et seq., at Diversified’s Facility located at Chester, VA, by failing to notify the Regional Administrator of EPA that additional time was necessary to repair a leak of refrigerant, R-22, as required by 40 C.F.R. §§ 82.156(i)(2) and 82.166(n)(1).