6008.1 Automatic tank gauging equipment that tests for the loss of product and conducts inventory control shall meet the requirements of this section.

6008.2 The owner or operator shall ensure that the tank-gauging probe is installed as close as possible to the middle of the tank and not adjacent to the fill pipe or submersible pump.

6008.3 An automatic product level monitor test shall be capable of detecting a two-tenths gallon per hour (0.2 gal/hr) leak rate from any portion of the tank that routinely contains a regulated substance.

6008.4 For tanks installed after November 12, 1993, if automatic tank gauging is to be used as a method of release detection, the tank must be installed horizontally without tank tilt.

SOURCE: Final Rulemaking published at 40 DCR 7835, 78673 (November 12, 1993); as amended by Final Rulemaking published at 46 DCR 7699 (October 1, 1999).