Carbon Dioxide supplied must conform to applicable sections of the American Water Works Association B-510- 00 and American National Standards Institute/National Sanitation Foundation 60, Specifications "This material shall be certified as suitable for contact with or treatment of drinking water by an accredited certification organization in accordance with American National Standards Institute/National Sanitation Foundation Standard 60, Drinking Water Treatment Chemicals - Health Effects." Tanks provided must be securely installed, low pressure, bulk, stainless steel, epoxy coated cryogenic tanks. The tanks must have nonfreezing regulators and nonfreezing pressure gauges, including a line heater to be provided by installer, with a remote CO2 fill station. The fittings and tanks will be maintained and serviced by the installer. Price must include volume readers per specifications and all equipment necessary to function as specified.