O2 Usp Coa
The document is a Certificate of Analysis for Oxygen USP. It contains the final analysis results for a specific facility, but the facility name, address, and date are not legible. The product was manufactured by Air Liquefaction and validated by Messer using alternative methodologies. The document states that if the material is not delivered to a USP customer, it is not approved for human drug use. There is also a page retention period of three years.*