Dr. Bray Links

Wednesday, January 11, 2017

Wastewater treatment upgrades result in major reduction of intersex fish -- ScienceDaily

. Endocrine disruption in water systems is a worldwide phenomenon. Estrogen in birth control pills and other chemicals that mimic natural hormones are known to impact fish health in trace amounts as low as one part per trillion, far below what conventional wastewater treatment can typically remove.

"In Europe, water treatment engineers have been turning to extremely expensive tertiary treatments to meet regulatory standards," said Servos. "Kitchener's example shows what can be done with currently available technology."

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