Listed below is a timeline of approval dates:
1893 – Ozone was used as a disinfectant in drinking water
1909 – Ozone was used in food preservation in cold storage
1918 – Ozone was used in the United States in pools
1939 – Ozone was proven to prevent the growth of yeast and mold
1975 – FDA approved ozone as good manufacturing practice
1976 – EPA approved ozone as an antimicrobial
1982 – FDA approved ozone for the bottled water industry
1986 – The City of Los Angeles built the second largest ozone
facility sanitizing 600 million gallons of water a day
1996 – USDA approved ozone as a disinfectant
1997 – FDA/USDA approved ozone as generally regarded as safe
1999 – EPA approved ozone safe for surface and ground water
2001 – FDA approved ozone as an antimicrobial agent on direct food sanitation
2004 – USDA approved ozone to be on the national organic program for sanitation
Ozone History