... human health and the environ-ment at levels present in Europe nowadays. Nevertheless, either have the effects of other substances recently been reviewed or the conclusions from the Air qual-ity ... Heather Walton, Urban Wass, Stephan Weiland, Erich Wichmann and Gerhard Winneke. The following were members of the Scientific Advisory Committee, which guided the work of the project over the ... together, as the focus has been on PM10. However, the two types have different sources and may have different effects, and tend to be poorly correlated in the air. The systematic review therefore...