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Abstract
Contamination of sediments by toxic organic substances and heavy metals was widespread throughout the connecting channels of the upper Great Lakes in 1985. Sediments at 250 stations in the connecting channels were analyzed for total PCBs, oil and grease, phenols, total cyanide, total volatile solids, mercury, cadmium, chromium, cobalt, copper, lead, nickel, and zinc, and the results were evaluated according to U.S. EPA guidelines for polluted sediments. Sediments were most heavily contaminated near industrialized areas, although some areas more than 40 km downstream from known point sources of pollution were moderately contaminated by oil and metals.
| Publication type | Report |
|---|---|
| Publication Subtype | Federal Government Series |
| Title | Chemical contamination and physical characteristics of sediments in the upper Great Lakes connecting channels 1985 |
| Series title | Report |
| Series number | GL-015-91; EPA-905/9-91/018 |
| Year Published | 1991 |
| Language | English |
| Publisher | U.S. Environmental Protection Agency, Great Lakes National Program Office. |
| Publisher location | Chicago, IL |
| Contributing office(s) | Great Lakes Science Center |
| Description | 80 p. |
| First page | 0 |
| Last page | 80 |
| Google Analytic Metrics | Metrics page |