Section 114207 Of Article 3. Mobile Water And Wastewater Tanks From California Health And Safety Code >> Division 104. >> Part 7. >> Chapter 7. >> Article 3.

. 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.