Fig. 2: Total airborne microplastic (MP) concentrations in ng m−3 for the low-volume (LV) and high-volume (HV) samplers for the T1–T7 samples. | Nature Communications

Fig. 2: Total airborne microplastic (MP) concentrations in ng m−3 for the low-volume (LV) and high-volume (HV) samplers for the T1–T7 samples.

From: Occurrence and backtracking of microplastic mass loads including tire wear particles in northern Atlantic air

Fig. 2

a Map of transects T1–T7 of air sampling during the HE578 cruise, June 2021. Map data is from Wickham H (2016). ggplot2: Elegant Graphics for Data Analysis. Springer-Verlag New York. ISBN 978- 3-319-24277-4, https://ggplot2.tidyverse.org. b LV samples in the >10 µm and <10 µm (equals 5–10 µm) size fractions. c HV samples in >10 µm size fraction. d HV samples with an adjusted y-axis (0–2 ng MP m−3). * = concentration <limit of quantification (LOQ); ∆ = concentration of polymer clusters might be influenced by secondary contamination.

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