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Detailed data of airborne particles mass concentration by different fractions of particulate considering different ELPI stages. Stages 1–5 represent UFP fraction. E.E. External environment. TOT 1–5: 0.010 μm–0.121 μm; TOT 1–7: 0.010 μm–0.314 μm; TOT 1–14: 0.010 μm–7.298 μm.
