The same group expanded the modeling approach to European offices. Peak concentrations of
formaldehyde, 4-AMCH, and IPOH, respectively, in the late afternoon after a cleaning event in themorningwith a limonene-based product at 0.5 h−1 AER, were 15, 2 and 0.4 ppb, and 75 μg/m3 PM2.5 (Terry et al., 2014).