Chemicals remaining after wastewater treatment change the gender of fish
Tuesday, June 22, 2010 - 07:10
in Biology & Nature
Male fish that used to be feminized after chemicals, such as the pharmaceutical ethinylestradiol, made it through the Boulder, Colo., Wastewater Treatment Plant and into Boulder Creek, are taking longer to become feminized after a plant upgrade to an activated sludge process, according to a new study. The results were presented Sunday at The Endocrine Society's 92nd Annual Meeting in San Diego...