Linde’s protocol gas standards are manufactured, analyzed, and certified to meet or exceed all of the requirements of EPA-600/R-97/121.
| Linde North America, Inc. | |
|---|---|
| Product Category | Industrial Gases |
| Product Number | US EPA Protocols |
| Product Name | Criteria Pollutants |
| Industrial Gases | Hydrogen Sulfide; Nitrogen; Nitric Oxide; Nitrous Oxide; Air; Oxygen; Carbon dioxide; Carbon Monoxide; Sulfur Dioxide; Methane; Propane |