… 1990s. Changes to the design of buildings since then have led to a reduction in the air exchange rate, meaning that the measurement method has had to be adapted to … rules that are recognised as applying to today’s buildings from a technical and hygienic point of view. Whereas DIN EN 717-1 as a test standard aims to obtain exact …

… such as, e.g., space-efficient construction or the increased use of durable and repairable products, results in a 63 percent reduction in GreenLife compared to 2010. … raw materials (e.g., metals such as lithium and cobalt) (see the detailed research reports ). Individual raw material could only partly be considered in this research …

… can therefore also be traced in the environment. They are known to lastingly impair reproduction in fish, starting in very low ng/l concentration. Since the … limits for azithromycin at three monitoring stations was higher. The EU Commission report declares a PNEC of 0.019 µg/l for azithromycin, 0.12 for clarithromycin and …