EPA v. GRAYMONT SUPERIOR (WI), INC.

Case summary

EPA issued Graymont a Notice of Violation on December 18, 2012. The NOV alleged that From March 13, 2012, to August 10, 2012, Graymont exceeded Kiln No. 4?s permitted NOx limit of 1.55 lbs/tsf at least 82 times, as measured on a 3-hour rolling average basis, and its permitted NOx limit of 56 lbs/hr at least seven times, as measured on an hourly basis. EPA identified the violations after Graymont installed a temporary NOx CEMS on Kiln No. 4 and collected the equivalent of 92 days of NOx emissions data, from March 13 to August 10, 2012, pursuant to a 114 request. Following the NOV, Graymont agreed to install a permanent NOx CEMS on its Kiln No. 4. This ACO memorializes the CEMS installation and will ensure Graymont?s compliance with the NOx emission limit for Kiln No. 4 in its Title V Operating Permit.

Defendants (1)

• GRAYMONT SUPERIOR (WI), INC.Named in complaintNamed in settlement

Facilities (1)

• GRAYMONT (WI) LLC

  800 HILL AVENUE, SUPERIOR, WI, 54880

  Registry ID: 110007346229

Statutes cited

• CAA 502 — Operating Permits (Title V)

Enforcement conclusions (1)

• GRAYMONT SUPERIOR - ACOentered 2014-08-15

  Primary law: CAA

Timeline (4 milestones)

• 2014-08-15Final Order Issued
• 2014-08-15Complaint Filed/Proposed Order
• 2014-08-26Enforcement Action Data Entered
• 2016-06-09Air Resolved