Carbon Dioxide, USP, Medical Gas, packaged in a) size EA aluminum, CGA940 (CDUSPEA), b) size E CGA 940 (CDUSPE), c) 50 lb CGA320 (CDUSP50, CD USP50S), d) size 160 liter (CD USP160LT350) cylinders, Rx only, Airgas, Puritan Medical, Distributed By: Airgas USA, LLC, Radnor, PA.
Impurities/Degradation Products: Out Of Specification levels of nitrogen dioxide.
Medical facilities in AZ and CA.
https://www.accessdata.fda.gov/scripts/ires/index.cfm?Product=D-1371-2012