Criteria for rejecting, repairing, or scrapping compromised cylinders.
| Edition | Publication Year | Key Characteristics | | :--- | :--- | :--- | | EN 12542:2002 | 2002 | The original European edition, limited to installation only. | | BS EN 12542:2010 | August 31, 2010 | Expanded the scope to include both above and below ground installations. | | BS EN 12542:2020 | August 24, 2020 | Current active version. Title changed from "tanks" to "pressure vessels". Updated references and safety clauses. | bs en 12542 pdf high quality