SUN HAS EXCEEDED THE EFFLUENT LIMITATIONS IN ITS PERMIT FROM AT LEAST JANUARY 1989 THROUGH MAY 1993. IN ADDITION, IT HAS BYPASSED IN VIOLATION OF ITS PERMIT ON AT LEAST ELEVEN OCCASIONS FROM 1991 TO DATE. SUN ALSO HAS MONITORING AND REPORTING VIOLATIONS, INCLUDING DEFICIENT DATA COLLECTION AND LAB ANALYSIS PRACTICES AND LATE DMR SUBMITTALS. VIOLATIONS OF OTHER MEDIA HAVE OCCURRED AT THE FACILITY, BUT ARE NOT INCLUDED IN THIS REFERRAL.