Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 6: Intrinsic characteristics - In situ values of airborne sound insulation under direct sound field conditions
High efficiency air filters (HEPA and ULPA) - Part 1: Classification, performance testing, marking
High efficiency air filters (EPA, HEPA and ULPA) - Part 1: Classification, performance testing, marking
High efficiency air filters (HEPA and ULPA) - Part 2: Aerosol production, measuring equipment, particle counting statistics
High efficiency air filters (EPA, HEPA and ULPA) - Part 2: Aerosol production, measuring equipment, particle counting statistics
High efficiency air filters (HEPA and ULPA) - Part 3: Testing flat sheet filter media
High efficiency air filters (EPA, HEPA and ULPA) - Part 3: Testing flat sheet filter media
High efficiency particulate air filters (HEPA and ULPA) - Part 4: Determining leakage of filter element (Scan method)
High efficiency air filters (EPA, HEPA and ULPA) - Part 4: Determining leakage of filter elements (scan method)
High efficiency particulate air filters (HEPA and ULPA) - Part 5: Determining the efficiency of filter element
High efficiency air filters (EPA, HEPA and ULPA) - Part 5: Determining the efficiency of filter elements
Respiratory protective devices - Light duty construction compressed air line breathing apparatus incorporating a helmet or a hood - Requirements, testing, marking
53,361 distinct reference strings indexed from official source snapshots. Includes earlier editions. The index and publisher collections have different coverage. See sources and coverage.