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. Author manuscript; available in PMC: 2024 Nov 1.
Published in final edited form as: Environ Monit Assess. 2017 Jan 21;189(2):67. doi: 10.1007/s10661-017-5780-2

Fig. 2.

Fig. 2

Mean differences of weekly paired elements between the low-SES community and the high-SES community in a quasi-UFP, b accumulation, and c coarse modes between June and November 2013. % Difference = [(low-SES conc. − high-SES conc.) / {(low-SES conc. + high-SES conc.) / 2}] × 100