This is an Administrative Penalty action pursuant to EPCRA 313 issued to Owens Corning Masonry Products, LLC. The Violation involves failure to file timely Toxic Chemical Release Inventory Reporting Forms required under EPCRA 313 for n-hexane for calendar years 2003-2005. These violations were voluntarily disclosed to the Agency. Owens Corning qualified for the Audit Policy which reduced the penalty from $65,800 to $0.