Materials that are used in the construction of potable water and wastewater tanks and appurtenances shall be safe, durable, corrosion-resistant, nonabsorbent, and finished to have a smooth, easily cleanable surface.
(Added by Stats. 2006, Ch. 23, Sec. 2. Effective January 1, 2007. Operative July 1, 2007, by Sec. 3 of Ch. 23.)