rm of radiation frequently associated with nuclear testing and radioactive mineral deposits.5.26 pCi/L7.45 pCi/LNoNo15 pCi/LFoaming 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.20 ppb20 ppbNo500 ppbNo500 ppbNO