"Oozing with Controversy" [1]
"Leftover sludge from water treatment plants contains human waste, heavy metals, pharmaceuticals and whatever else washes into the sewer system. It's also used as fertilizer - which concerns some experts."
Michelle Lalonde reports for the Montreal Gazette October 8, 2009. [2]
Waste [3]
Canada [4]
Public [5]
Source: Montreal Gazette [6], 10/09/2009