The existence of CO in an auto park signifies that other hazardous fumes (e.g. benzene) are current. Because of this, the German authorities have minimized the boundaries for CO in automobile parking facilities from one hundred ppm to 50-sixty ppm, with regards to the federal point out in concern. Things https://car-park-ventilation46788.dm-blog.com/36493866/rumored-buzz-on-car-park-ventilation