74:56:01:09Upgrading of existing

UST systems -- General requirements and deadlines. All existing UST systems installed before November 30, 1987, must be upgraded to comply with the requirements contained in this section and in § 74:56:01:10 or be replaced and comply with the performance standards for new USTs set forth in § 74:56:01:04. Owners or operators must meet the upgrade requirements detailed in § 74:56:01:10 no later than December 22, 1998, with the exception of the release detection requirements, which must be met according to the schedule set forth in § 74:56:01:24. If UST systems are not upgraded by these dates, they must be temporarily removed from use in accordance with § 74:56:01:52 or be permanently closed in accordance with § 74:56:01:54.

Source: 14 SDR 76, effective November 29, 1987; 18 SDR 62, effective October 10, 1991; 22 SDR 86, effective December 18, 1995; transferred from § 74:03:28:03, July 1, 1996.