Pursuant to various tank manufacturers’ requests, The North Carolina Department of Environmental Quality (NCDEQ) – Underground Storage Tank (UST) Section has reviewed the following proposed double-walled tank interstitial monitoring installation and testing documentation for compliance with the electronic liquid detecting (dry) sensor requirements in 15A NCAC 02N .0901 and .0903.
Tank Interstice Testing Protocols
The following third-party certified tank testing protocols are referenced in the NC DEQ Dry Tank Interstice Monitoring Approvals listed in the above table.
Tank Interstice Position Sensitive Sensor Installation
The following position sensitive sensor installation procedures are approved for use with tanks referenced in the NC DEQ Dry Tank Interstice Monitoring Approvals listed in the above table.
|Incon TSP-DMS Sensor Installation||4/2011|
|Veeder-Root 794380-323 Sensor Installation||1/2013|
|Veeder-Root 794380-333 Sensor Testing Guidance||1/5/2023|