"In 1978 water quality conditions in the National Capital Region were studied to determine the water quality of the Ottawa River before sewage treatment...
Aquatic Ecology Division, National Water Research Institute, 1986
"The colloidal fraction of river waters is usually ignored in considerations of metal dispersion; and colloidal organic carbon as a metal-dispersing agent...
Inland Waters Directorate, Ontario Region, Water Quality Branch, 1984
"A comprehensive water quality study was conducted June 4-11, 1981, near the mouths of the five major rivers of the Hudson Bay Lowland. A wide range of trace...