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. Author manuscript; available in PMC: 2021 May 1.
Published in final edited form as: Environ Res. 2020 Mar 13;184:109389. doi: 10.1016/j.envres.2020.109389

Figure 3. Normalized concentration from Sept 8, 2014 to Jan 5, 2015, ordered in increasing distance from the highway source.

Figure 3.

RD – NR DRIVE (3m), NDO - Near Dorm outside (60 m), NDI - Near Dorm inside (60 m), FDO - Far Dorm outside (1.4 km), FDI - Far Dorm inside (1.4 km), UB - Urban background (2.3 km)