Table 2.

Results from the visual and FTIR analysis of sediment collected from five Danish lakes. For each lake are the concentration of microplastic in the sediment provided (items/g), total number of fibres in the sample, total number of fragments in the sample, and the identified polymer types

Lake	Items/g dry sediment	Total number of fibres	Total number of fragments	Number of different polymer types
Arresø	0.044	1	9	1 PS, 1 suspected paint, 7 alkyd varnish, 1 other
Bryrup Langsø	0.009	0	2	2 Alkyd varnish
Hinge sø	0.013	2	0	1 PA, 1 polyester
Ravn sø	0.053	1	11	9 suspected paint, 2 alkyd varnish, 1 polyester
Silkeborg Langsø	0.022	3	3	1 suspected paint, 1 PC, 1 polyester, 2 PP, 1 other