The Arkansas Department of Energy and Environment - Division of Environmental Quality (“DEQ”) and Certainteed Gypsum Manufacturing, Inc. (“CGM”) entered into a May 15th Consent Administrative Order (“CAO”) addressing alleged violations of an air permit. See LIS No. 25-044.
CGM is stated to own and operate a gypsum wallboard manufacturing facility in Howard County, Arkansas.
The facility is stated to operate pursuant to an air permit.
CGM is stated to have requested consideration under DEQ’s Environmental Self-Disclosure Incentive Policy (“Policy”) in a letter dated April 29, 2024, for disclosure of non-compliance issues. The facility stated that it failed to maintain 12-month rolling total records for the Gasoline Storage Tank, violating Specific Condition 46 of the air permit.
The CAO also states that the facility failed to correctly format the 12-month rolling total spreadsheets to determine the correct operation hours at SN-66, SN-67, SN-70, and the wallboard production per calendar year, violating Specific Conditions 46, 75, and Plantwide Condition 9 of the air permit.
Pursuant to the Self-Disclosure letter, CGM is also stated to have indicated that the permitted VOC emissions limit for SN-44 did not adequately consider VOC emissions from silicone oil. An exceedance of the VOC emission limit is referenced, violating Specific Condition 37 of the air permit.
CGM stated pursuant to July 25, 2024, correspondence, that the spreadsheets for the referenced sources had been modified to calculate 12-month rolling totals and a permit modification application had been submitted increasing the VOC limit to account for VOC emissions from the silicone oil. Such permit modification application has been deemed to be administratively complete.
DEQ determined that all eight conditions of the Self-Disclosure Policy were met, qualifying CGM for penalty mitigation.
CGM neither admits nor denies the factual and legal allegations contained in the CAO.
Within 30 calendar days of the effective date of the CAO, CGM shall submit 12-month rolling total records for the period of November 2023 to July 2024 using the revised spreadsheets for the relevant sources to show compliance with Specific Condition 46, Specific Condition 74, Specific Condition 75, and Plantwide Condition 9 of the air permit.
A copy of the CAO can be downloaded here.
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