“…Monday and Friday are intermediate. Although this weekly cycle might be expected from labor customs, the NEI of air pollutants does not account for it (Text S3 and Figure S5; EPA, 2015aEPA, , 2015bEPA, , 2016EPA, , 2017EPA, , 2018 nor do past regional studies mention it (Larkin et al, 2014;Park et al, 2007;Schichtel et al, 2017;Schweizer et al, 2017;Zeng et al, 2008). Moreover, the day-of-week effect seen here for prescribed fires in Florida is much stronger than what NEI specifies for emissions in any state (see Text S3 and Figure S5; EPA, 2015aEPA, , 2015bEPA, , 2016EPA, , 2017EPA, , 2018.…”