Perfluorotridecanoic acid

PFtDA; formula: C13HF25O2; CAS Registry Number: 72629-94-8

Fluorocarbon with 13 C-atoms

Specimen

Students Student groups with an even number of female and male students at the age of 20 to 29.

Sampling area

Sampling sites (humans) 4 university cities as sampling areas.

Sampling period

1982 - 2010