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. Author manuscript; available in PMC: 2020 Nov 5.
Published in final edited form as: J Environ Manage. 2019 May 28;245:95–104. doi: 10.1016/j.jenvman.2019.05.022

Figure 3.

Figure 3.

Selected control pathways and their effectiveness to achieve certain PM2.5 and O3 targets in Beijing (a: only PM2.5 target with no NH3 control; b: only PM2.5 target but with NH3 control; c: both PM2.5 and O3 targets)