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. Author manuscript; available in PMC: 2018 Sep 19.
Published in final edited form as: Atmos Pollut Res. 2017 Mar;8(2):275–284. doi: 10.1016/j.apr.2016.09.005

Figure 5.

Figure 5.

NE region: Emission-dependent ozone (ppb) vs. combined NOx and VOC emissions (scaled from 0 to 1). Emission-dependent ozone the value obtained by subtracting the maximum ozone value. Symbols indicate year (‘10’ = 2010, ‘93’ = 1993)