Ozone and hydroxyl radical sanitizers for sanitizing the food zone of an ice maker in commercial ice machines; Ozone generators that kill mold and mildew; Ozone sanitizers for air and water; Combination ozone sanitizer and electric deodorizing units; Emission control systems comprised primarily of indirect contact heat exchangers and ozone-based control devices using gas and vapor condensing to control and treat emissions; Sanitizing apparatus for linens using ultraviolet light, ozone sterili...