| Standard Number |
BS EN 1822-4:2009 |
| Title |
High efficiency air filters (EPA, HEPA and ULPA)Determining leakage of filter elements (scan method) |
| Status |
Current |
| Publication Date |
31 January 2010 |
| Cross References |
EN 1822-1:2009, EN 1822-2, EN 1822-3, EN 1822-5:2009, EN 14799:2007, EN ISO 5167-1, ISO 5167-1:2003 |
| Replaces |
BS EN 1822-4:2000 |