1. Ozonation allows water operators to reduce sharply the amount of chlorine used.2. Athena is tap water filtered by reverse osmosis and ozonation . 3. Ozonation also produces fewer disinfection by-products than chlorination.4. Ozonation , Europe's favorite method, doesn't produce trihalomethanes.5. Galaxolide has been shown to be removed by ozonation in wastewaters treatment plants. 6. The processes involved with ozonation ( treating water with ozone ) only leave behind. 7. PHOTOS : WATER-FUTURE-OZONE-1 : Dallas plant invests in ozonation . 8. Much of the concern related to ozone therapy revolves around the safety of blood ozonation . 9. What we found that a byproduct of ozonation may be a very potent carcinogen, bromate. 10. Nationwide, 80 to 100 other water utilities have turned to ozonation , estimates EPA researcher Richard Miltner.