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N.C. Department of Environment and Natural Resources

NC Department of Environment and Natural Resources
Waste Management - UST Permanent Closure

Waste Management

UST Permanent Closure

Prior to closure of a regulated UST system, you must submit a UST-3 form, Notice of Intent for Permanent Closure. This notice must be submitted 30 days prior to closure activities. If a Licensed Geologist or Professional Engineer will be supervising the closure activities then the UST-3 can be submitted 5 days prior to closure. Regulated UST systems must be closed following the procedures detailed in the UST Sections Guidelines for Site Checks, Tank Closure and Initial Response and Abatement. During closure, samples must be taken around the UST system in accordance with the closure guidelines and sampling guidelines. If contamination is discovered during closure activities then a UST-61, 24 Hour Release and UST Leak Reporting Form, must be submitted. Following closure, a closure report must be submitted to the Regional Office for the county where the facility is located following the format listed in the UST-12 form, Closure Report Format. Below are links to the forms and guidelines for conducting permanent closure of regulated UST systems.

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