Leaching of solid materials - Batch test for the examination of the leaching behaviour of inorganic substances at a liquid to solid ratio of 2 l/kg— 13 стр.
High efficiency particulate air filters (HEPA and ULPA) - Part 2: Aerosol production, measuring equipment, particle counting statistics; German version EN 1822-2:1998— 15 стр.
High efficiency particulate air filters (HEPA and ULPA) - Part 5: Determining the efficiency of filter elements; German version EN 1822-5:2000— 19 стр.
High efficiency particulate air filters (HEPA and ULPA) - Part 2: Aerosol production, measuring equipment, particle counting statistics; German version EN 1822-2:1998— 15 стр.
High efficiency particulate air filters (HEPA and ULPA) - Part 5: Determining the efficiency of filter elements; German version EN 1822-5:2000— 19 стр.
High efficiency particulate air filters (HEPA and ULPA) - Part 4: Determining leakage of filter elements (Scan method); German version EN 1822-4:2000— 29 стр.
Construction contract procedures (VOB); part C: general technical specifications in construction contracts (ATV); installation of HVAC systems— 23 стр.
Tendering and performance stipulations in contracts for construction works (VOB); part C: general technical specifications in contracts for construction works (ATV); installation of air conditioning systems— 22 стр.
Sampling for the purpose of determining the concentration of air pollutants within the operator's breathing zone during welding and allied processes— 6 стр.