Table 1.

Ultrafine particle (UFP) and noise exposure parameters in the overall sample of 33 participants.

UFP Parameters (N = 33)
UFPs (part/cm3)	Size (nm)	LDSA (m2/cm3)	Dose LDSA (mm2)
Mean (SD)	Mean (SD)	Mean (SD)	Mean (SD)
61,443.30	55.77	109.46	15.29
(351,475.20)	(25.63)	(506.38)	(23.08)
Noise Parameters (N = 33)
LAeq (dB)		LAeq8hr (dB)	Lc peak (dB)
Mean (SD)		Mean (SD)	Mean (SD)
79.606		74.112	129.773
(7.378)		(7.831)	(4.328)

LDSA, Lung Deposition Surface Area; LAeq, A-weighted noise exposure level; LAeq8hr, A-weighted noise exposure level normalized to an 8 h working day.