O2 Usp Coa
The text appears to be a Certificate of Analysis for Oxygen USP produced by Messer. The certificate contains final analysis results conducted using a WA Gdor analyzer and the Messer specification. The certificate was exempt under the USP compendium and the methodology used was the Paramagneti Analyzer Manufacturer Model, which had been validated by Messer. The material is not approved for human drug use if delivered to non-USP customers. The document also provides information on the facility name and address, as well as the retention period of three years.*