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. Author manuscript; available in PMC: 2021 Jun 11.
Published in final edited form as: Atmos Environ (1994). 2019 Sep 15;213:579–584. doi: 10.1016/j.atmosenv.2019.06.026

Fig. 2.

Fig. 2.

NTA results of the expected 1-min PM2.5 mass concentrations for total PM2.5 (a) and high-varying PM2.5 (b) at the Douglass monitoring location calculated over the six-month study period