The tissues of fish-eating birds in Canada, Italy, Japan and Korea all contained detectable levels of PFOS, suggesting that they are exposed through the fish they consume.
在加拿大、意大利、日本和韩国所有食鱼鸟类组织中都含有可检测到的全氟辛烷磺酸，这说明它们通过所食用的鱼接触到了全氟辛烷磺酸。