'A letter (show cause) was issued to Xerox Coproration on May 14, 2002. The Toxic Release Inventory Environfacts Database indicated that Xerox submitted a late Form R on June 28, 1999 for Methyl isobutyl ketone (MIBK) for the reporting year 1997. An informal settlement conference was held on June 4 and June 18, 2002. The case was initiated and oncluded simultaneously.'