EPA v. O-N MINERAL (CHEMSTONE) CO

Case summary

IN 2000 AND 2003, O-N MODIFIED ITS ROTARY KILN WITHOUT FILING ANY PERMIT APPLICATIONS WITH VA-DEQ. A 2007 STACK TEST SHOWED THAT SO2 EMISSIONS INCREASED DRAMATICALLY FOLLOWING THE MODIFICATIONS, RESULTING IN AN INCREASE IN SO2, WHICH TRIGGERS PSD, AND AN INCREASE IN MAXIMUM HOURLY EMISSION RATE OF SO2, WHICH TRIGGERED THE NSPS FOR LIME KILNS (40 CFR PART 60, SUBPART HH). FOLLOWING SALE OF FACILITY, NEW OWNER CHARGED OPERATING PARAMETER FOR ROTARY KILN AND RE-STACK TESTED IN 2008, WHICH SHOWED SO2 EMISSIONS AT PRE-2000 (PRE-MODIFICATIION) LEVELS. O-N HAS SIGNED ADMIN. COMPLIANCE ORDER REQUIRING IT INSTALL SO2 CEMS AND MEET SO2 EMISSION RATE IN BART PERMIT TO BE ISSUED BY VADEQ.

Defendants (1)

• O-N MINERALS (CHEMSTONE) CONamed in settlement

Facilities (3)

• O-N MINERALS CHEMSTONE CO.

  1696 ORANDA ROAD, STRASBURG, VA, 22657

  Registry ID: 110038160021

• O-N MINERALS CHEMSTONE CO.

  1696 ORANDA ROAD, STRASBURG, VA, 22657

  Registry ID: 110038160021

• O-N MINERALS CHEMSTONE CO.

  1696 ORANDA ROAD, STRASBURG, VA, 22657

  Registry ID: 110038160021

Statutes cited

• CAA 165 — Prevention of Significant Deterioration (PSD)
• CAA 111 — New Source Performance Standards
• CAA 110 — Implementation Plan for National Primary and Secondary Ambient Air Quality Standards

Enforcement conclusions (1)

• O-N MINERAL (CHEMSTONE) COentered 2009-11-02

  Primary law: CAA

Timeline (2 milestones)

• 2009-11-02Final Order Issued
• 2009-11-13Enforcement Action Data Entered