According to an analysis by the Louisiana Department of Environmental Quality, disinfecting with ferrate required onehalf the capital investment of an ultraviolet- light-based system and onethird that of an ozone-based system.

FORBES: Magazine Article

Hough is placing an order with Purfresh, which recently switched to a rental system for the generators, for 27 more ozone cabinets.

FORBES: The Ozone Solution

Ozone aggravates asthma and can irritate anyone's upper respiratory system, especially when it interacts with common household cleaners.

CNN: Your own clean-air act

To deal with this, the Living Machine often includes components at the end of the system that sterilize the water with ultraviolet radiation, ozone or chlorine.

FORBES: Page 2 of 2

The system uses plasma to briefly turn oxygen inside sealed packaging into ozone in order to sterilise food.

BBC: Plasma device developed to 'sterilise' food