Fine bubble technology - Environmental applications - Part 4: Test method for the removal of oil from soil by washing using fine bubbles

Fine bubble technology - Environmental applications - Part 3: Test method for on-site evaluation of the performance of algae bloom removal facilities

Fine ceramics (advanced ceramics, advanced technical ceramics) - Test method for air-purification performance of semiconducting photocatalytic materials under indoor lighting environment - Part 1: Removal of nitric oxide

Fine ceramics (advanced ceramics, advanced technical ceramics) - Test method for air-purification performance of semiconducting photocatalytic materials under indoor lighting environment - Part 2: Removal of acetaldehyde

Fine ceramics (advanced ceramics, advanced technical ceramics) - Test method for air-purification performance of semiconducting photocatalytic materials under indoor lighting environment - Part 3: Removal of toluene

Fine ceramics (advanced ceramics, advanced technical ceramics) - Test method for air-purification performance of semiconducting photocatalytic materials under indoor lighting environment - Part 4: Removal of formaldehyde

Fine ceramics (advanced ceramics, advanced technical ceramics) - Test method for air-purification performance of semiconducting photocatalytic materials under indoor lighting environment - Part 5: Removal of methyl mercaptan

Safety of laser products - Part 2: Safety of optical fibre communication systems (OFCS) (IEC 76/601/CD:2018); Text in German and English

Wastewater treatment plants - Part 4: Primary treatment; German version EN 12255-4:2023