Control measures against the spread of Legionella from wastewater treatment plants Wastewater treatment plants (WWTPs) may spread Legionella via the air and cause pneumonia if people inhale them.
Discussion regarding health-based guidance value of PFOA The European Food Safety Authority (EFSA) has published a provisional health-based guidance value for perfluorooctane sulfonate (PFOS) and perfluorooctanoic acid (PFOA).
Need for circular use of materials in construction Construction and demolition waste are being recycled on a large scale to use as a foundation for e.g. roads, but recycled building materials are hardly ever used in the construction of buildings.