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Table 3 Pearson’s correlation coefficients between air pollutants

From: Indoor concentrations of VOCs in beauty salons; association with cosmetic practices and health risk assessment

Pollutants Benzene Ethylbenzene Toluene Xylene Formaldehyde Acetaldehyde
Benzene 1.00 −0.43 0.52 −0.04 −0.07 0.16
Ethylbenzene    −0.24 0.45 −0.04 −0.31
Toluene     0.27 0.02 0.13
Xylene      0.27 0.12
Formaldehyde       0.65 a
Acetaldehyde       1.00
  1. ap<0.05