Since 2001 the FDA (American Food and Drug Administration), included Ozone as an antimicrobial agent for food use. This authorization allows Ozone to be used in gaseous or liquid form in the treatment, storage and processing of food.
RPB (Biocidal Products Regulation), which replaces Directive 98/8/CE of the European Parliament and of the Council of February 16, 1998 on the commercialization of biocides. In 2016 ozone has been admitted as an active substance in the RPB, in the following sections:
Major Group 1: General Disinfectants and Biocides.
Product type 2: disinfectants used in the fields of private life and public health and other biocides (PT02).
Product type 4: Used in the disinfection of equipment, containers, utensils for consumption, surfaces or pipes related to the production, transport, storage or consumption of food or feed (including drinking water) for people and animals.
Royal Decree 140/2003, of February 7, which establishes the sanitary criteria for the quality of water for human consumption, includes Ozone as a substance for water treatment.
Standard UNE-EN 1278:2010 corresponding and in force (included in Annex II of the RD, UNE-EN standards of substances used in the treatment of water for human consumption: Ozone).
Standard UNE 400-201-94 safety recommendations for ozone generators for air treatment.
INSST regulations. Occupational exposure limits for chemical agents in Spain.
Royal Decree 865/2003, which establishes the hygiene-sanitary criteria for the prevention and control of legionellosis.
INSST NTP 538, legionellosis: prevention and control measures in water supply facilities.