“Waterproofing concrete/masonry sealer” means a clear or pigmented film-forming coating that is formulated and labeled for sealing concrete and masonry to provide resistance against water, alkalis, acids, ultraviolet light, and staining.

Source. #8695, eff 7-27-06, ss by #10736, eff 1-1-15 (formerly Env-A 4202.01(bw)); ss by #14202, 2-26-25