Table 2 Concentrations of perfluorinated compounds in the carpet at different age.

From: Perfluorooctanoic acid in indoor particulate matter triggers oxidative stress and inflammation in corneal and retinal cells

Compound

Concentration (ng/g), RSD (%)

New

3 years

20 years

8:2 FTOH

21,416

6.0

9638

3.0

ND

10:2 FTOH

11,792

3.0

3820

6.0

ND

PFOA

37,458

1.3

10,339

7.5

9486

6.3

  1. ND: not detectable.
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