State Limits may be lower.Foaming agents (surfactants)Foaming agents (surfactants) are detergents or detergent-like substances used as cleaning agents in industrial and consumer goods such as personal care products; they are also used as inert ingredients in pesticides.1.38 ppb13.75 ppbNo500 ppbNo500 ppbAluminumAluminum is a metal released from metal refineries and mining operations.14.2 ppb87 ppb