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Table 3 Personal, indoor and outdoor concentrations of xylene ( μg/m3) in the six periods

From: An analysis of factors that influence personal exposure to toluene and xylene in residents of Athens, Greece

  Personal Indoor Urban
Period Mean Median 10th–90th percentiles Mean Median 10th–90th percentiles Mean Median min–max
1st – SEP 89.4 84.6 53.5–141.9 49.6 48.4 20.3–79.6 101.5 88.3 41.4–263.0
2nd – DEC 75.9 71.6 49.1–113.8 56.4 39.7 22.1–117.0 85.6 74.6 28.0–180.5
3rd – FEB 74.5 63.8 39.7–141.3 42.7 39.2 16.9–67.9 85.6 75.8 41.2–197.9
4th – APR 83.1 63.2 30.7–147.7 45.7 37.1 18.7–92.9 71.5 63.0 23.2–167.4
5th – JUN 60.7 56.0 26.6–97.5 32.3 27.4 16.2–49.4 64.0 53.3 21.1–160.9
6th – SEP 75.5 63.9 38.2–122.8 36.5 31.9 20.9–51.5 88.8 76.4 35.4–229.2
Annual 76.6 67.4 37.8–123.3 43.7 36.2 19.5–72.9 82.8 72.3 21.1–263.0