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Table 17 Excretion of PFOS and PFOA by young chickens

From: Toxicology of perfluorinated compounds

Parameter

PFOS

PFOA

Excretion half-life

125 days

4.6 days

Residual blood concentration at the end of the 4-week excretion phase

48% to 52%

2% to 3%

Excretion rate constant

0.023% ± 0.004% per day

0.150% ± 0.010% per day

  1. Excretion was after a 4-week exposure and a 4-week excretion phase (from Yu et al. [171]).