Treated with Ozone Ozone was applied at a dosage that killed spores of many fungi. History of GRAS Status of Ozone 1982 FDA GRAS declaration for ozone use in bottled water. 1995 FDA GRAS for ozone use in bottled water renewed without change. 1997 Industry Expert Panel declares ozone GRAS and meets FDA requirements.
Regulators have the option to later add control on ozone use.
2000 Food Additive Petition, that addresses both water and air use of ozone, under preparation. FDA estimates approval will occur within six months of submission of the Petition.