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Table 3 Correlations between noise level, number of working sawmilling machines and particle concentrations during measurement (comparing WD and WE)

From: Influences of wind speed and direction on atmospheric particle concentrations and industrially induced noise

Measurment

Time

WD

WE

Leq vs no of working sawmilling machines

Morning

0.24

0.21

Afternoon

0.62*

0.29

Evening

0.19

0.03

Leq vs PM1

Morning

0.31

0.20

Afternoon

0.32

0.24

Evening

0.34

0.14

Leq vs PMcoarse

Morning

−0.17

−0.14

Afternoon

0.20

−0.18

Evening

−0.18

−0.16

  1. * Significant at p < 0.05. WD and WE represent weekdays and weekends respectively
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