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. Author manuscript; available in PMC: 2020 Oct 1.
Published in final edited form as: Environ Int. 2019 Jul 8;131:104968. doi: 10.1016/j.envint.2019.104968

Figure C.1.

Figure C.1

Correlation between sources contributing to indoor and outdoor PM2.5 by season. Blue dots represent samples collected during the spring season. Red dots represent samples collected during fall season. Green dots represent samples collected during winter season.