Fig. 7From: Pulmonary injury associated with spray of a water-based nano-sized waterproofing product: a case studyConcentration time pattern for the most abundant VOC (glycol ether) for three scenarios with different air exchange rate for both the wood workshop (a, c and e) and the post sorting room (b, d, f). The assumed air exchange rates were 0.08 h−1 (a, b), 1.0 h−1 (c, d) and 2.5 h−1 (e, f)Back to article page