Specifications include, but are not limited to: The Liquid Carbon Dioxide supplied shall contain no soluble material or organic substances in quantity capable of producing deleterious health effect on those consuming a water that has been treated properly with the lime product. The Liquid Carbon Dioxide supplied shall contain less than 10-PPM (wt/wt) nonvolatile residue. The Liquid Carbon Dioxide shall contain less than 20 PPM of water vapor (V/V). The satisfactory Liquid Carbon Dioxide shall contain less than 50 PPM of hydrocarbons as methane, less than 30 PPM of oxygen, less than 10 PPM Carbon monoxide (vapor), less than 0.5 PPM hydrogen sulfide (Vapor), less than 2.5 PPM nitric oxide (vapor), less than 2.5 PPM Nitrogen dioxide, less than 5 PPM sulfur dioxide, less than 0.5 PPM carbonyl sulfide.