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Table 3 Exposure concentrations for Air and DE-exposure groups. Data are the ranges from direct measurements of DE components monitored continuously for all subjects

From: Diesel exposure suppresses natural killer cell function and resolution of eosinophil inflammation: a randomized controlled trial of exposure in allergic rhinitics

Group

PM

NO

NO2

CO

SO2

Air

N/A

0.00–0.01 ppm

0.00 ppm

0.00–0.07 ppm

0.001–0.004 ppm

DE

109.3–111.7 μg/m3

0.037–0.47 ppm

0.347–0.476 ppm

0.75–1.03 ppm

0.002–0.007 ppm

  1. PM particulate matter concentration exposure concentration, NO nitric oxide, NO2 nitrous oxide, CO carbon monoxide, SO2 sulfur dioxide