50 Years After Ban, Canadian Lakes Still Have High Levels of DDT

Title: 50 Years After Ban, Canadian Lakes Still Have High Levels of DDTCategory: Health NewsCreated: 6/13/2019 12:00:00 AMLast Editorial Review: 6/14/2019 12:00:00 AM

from http://www.medicinenet.com/script/main/art.asp?articlekey=222271

from
https://healthnews010.tumblr.com/post/185648546248

From https://johnher1.blogspot.com/2019/06/50-years-after-ban-canadian-lakes-still.html

from
https://johnher1.wordpress.com/2019/06/17/50-years-after-ban-canadian-lakes-still-have-high-levels-of-ddt/