Specifications include, but are not limited to: I. LIQUID OXYGEN BACKGROUND Liquid oxygen is used during on-site generation of ozone gas, which when applied appropriately to the water, has the ability to provide primary disinfection. Treatment using ozone also provides operational and aesthetic benefits. II. LIQUID OXYGEN Product shall meet the National Sanitation Foundation (NSF)/American National Standards Institute (ANSI) Standard No. 60 for Drinking Water Treatment Chemicals - Health Effects and AWWA most recent Standard B304. III. LIQUID OXYGEN TECHNICAL SPECIFICATIONS 1. Oxygen Purity: greater than 99.0%. 2. Dew Point: minus 80° F or less. 3. Total hydrocarbon content: not to exceed 25 ppm at delivery. 4. Water content: less than 7.8 ppm.