384-9. Overfill Prevention and Containment.
Overfill prevention and containment shall be installed on all new and existing underground storage tanks in Humboldt County on or before January 1, 1992, or sooner if required by subsections (a) or (b) of this section.
(a) Overfill prevention must be installed concurrently when:
(1) making any upgrade or repair of an underground storage tank system;
(2) installing any soil vadose zone or groundwater monitoring well;
(3) installing a vapor recovery system;
(4) replacing ten percent (10%) or more of the piping portion of an underground storage tank;
(5) direct access to an underground storage tank is made by excavation.
(b) Overfill prevention must be installed within thirty (30) days of discovery of soil or groundwater contamination which will, or is likely to, require hydro-geological investigation.
Ord. 2077, 6/20/95