Oxygen, Compressed USP UN1072 Medical Gas supplied in a) 682 litres and b)165 litres cylinders, Rx only, Oklahoma Respiratory Care 800.262.9857, Norman, OK 73071
Failed impurities/degradation specifications: Purity readings for oxygen were out of specification.
Oklahoma
https://www.accessdata.fda.gov/scripts/ires/index.cfm?Product=D-818-2013