Table 1. Mean of total MPs/sample and each type of MPs/sample in the blank sample

	Total MPs	PE	PP	PS	Acrylic	PES	Others
MPs/sample	0.67±0.581)	0.00	0.33±0.58	0.00	0.33±0.58	0.00	0.00

Data are expressed as mean±SD (n=3).