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. 2021 Jan;146:106217. doi: 10.1016/j.envint.2020.106217

Fig. 2.

Fig. 2

Flowchart of PATS+CO data exclusion by season and device location. *Cut-off designed to ensure that there was at least 24 h’ worth of data after excluding the first and last hour from the time series (to remove data likely to be influenced by the initial device deployment and final device collection work.