Specifications include, but are not limited to: Providing Medical Grade Gases- Hydrogen, Nitrogen & Zero Grade Air, for the Cook County Office of the Medical Examiner. 1. All medical gases supplied in this contract shall be medical grade gases and must be manufactured at an FDA registered facility. All medical gases must meet United States Pharmacopeia (USP) and National Fire Protection Association (NFPA) regulations. 2. Products shall be tested in accordance with FDA requirements. 3. The purity of Medical Gases must equal or exceed U.S. Pharmacopeia (USP) Specifications. 4. Cylinders will be color-coded in accordance with Compressed Gas Association standards stated in Pamphlet C-9, Standard Color Market of Compressed Gases Cylinder Intended for Medical Use in the United States. A label shall be affixed to each cylinder stating the type of gas and the degree of purity of the gas or gases contained in the cylinder. 5. All cylinders shall be properly purged of gases and impurities prior to filling.