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Panel a) includes baseline-removed TNMHC, CO2, and CO data from Site E2 as well as baseline-removed TNMHC data from Site E1. The data is from 8/15/16 and the times listed are local times. Panels b) and c) include pollution roses for the period of enhancements in TNMHCs for Sites E1 and E2 respectively, the data used to generate the pollution roses is from precisely the same time period depicted in panel a.
