Not more than two temporary production tanks shall be installed on any drilling site; neither one of which shall have a rated capacity in excess of $1,000 barrels, and the tanks shall not be permitted on the drill site more than 90 days after initial production from the pertinent well; provided, however, time extensions may be granted by the Agency consistent with the intent of this title. All such tanks shall be maintained in good condition.
(`78 Code, § 14.20.060.)