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. 2014 Jul 8;122(11):1216–1224. doi: 10.1289/ehp.1307772

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Relationships between the three types of exposure error. (A) Normalized exposure error for local and regional pollutants (see Supplemental Material, Figure S3A, for full extent of data and outliers). (B) Between-pollutant correlations of exposure error for local–local and regional–regional pollutant pairs (see Supplemental Material, Figure S3B, for local–regional pollutant pairs). The bottoms and tops of boxes represent 25th and 75th percentiles, lines within boxes indicate the median, and the whiskers represent 5th and 95th percentiles; n = 193. δ_spatial = AQ – CS; δ_population = PE – AQ; and δ_total = PE – CS. (C) Map showing δ_spatial of NO_x for ZIP codes in Atlanta metropolitan area. Blue and brown lines indicate major roads; colors indicate the percentile, where 5% = –0.85; 25% = –0.66; 50% = –0.18; 75% = 0.63; and 95% = 1.73.