Length and width of asbestiform and non-asbestiform EMPs (length > 0.5 µm,length < 100 µm, length/width ≥ 3, width ≥ 0.05 µm, width ≤ 3 µm)

Table 1: Length and width of asbestiform and non-asbestiform EMPs (length > 0.5 µm,length < 100 µm, length/width ≥ 3, width ≥ 0.05 µm, width ≤ 3 µm)

	Length(µm)				Width(µm)
	Exposure		Lung burden		Exposure		Lung burden
	Average	Standard deviation	Average	Standard deviation	Average	Standard deviation	Average	Standard deviation
Asbestiform	6.60	9.14	9.16	12.70	0.38	0.23	0.24	0.15
Non-asbestiform	4.01	2.41	6.14	5.24	0.91	0.444	0.31	0.17