SUNOCO, INC. VIOLATED THE FEDERALLY-ENFORCEABLE SIP RELATED TO PREVENTION OF SIGNIFICANT DETERIORATION ( PSD ) A AT SUNOCO'S MARCUS HOOK PETROLEUM FACILITY, AND VIOLATED TITLE 3 OF THE PHILADELPHIA AIR MANAGMENT CODE BY MAKING MAJOR MODIFICATIONS TO ITS FCCU WITHOUT OBTAININGPROPER PERMITS. NOTICE OF VIOLATION ISSUED.