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Dossier Public 1357
Previous OF publication(s):
Province / Territory: Ontario
Funding Source: Federal and Provincial
Year of Collection: 1986
# Lake sites: 1335
# Stream sites: 0
Survey Area: 16754 km²
NTS Sheet(s): 041O
The regional lake sediment and water survey for northern Ontario (NTS 41O) was conducted during the summer of 1986.
This report presents analytical and statistical data for 18 variables in lake sediments from 1,335 sample sites, collected at an average density of one sample per 12.6 km². This report includes values for uranium, fluoride, pH, alkalinity, calcium and magnesium in waters.
Analytical Data
| variable | method | detection limit | year of analysis |
|---|---|---|---|
| Antimony | HY-AAS | 0.2 ppm | 1986 |
| Arsenic | HY-AAS | 1 ppm | 1986 |
| Cadmium | AAS | 0.2 ppm | 1986 |
| Cobalt | AAS | 2 ppm | 1986 |
| Copper | AAS | 2 ppm | 1986 |
| Fluorine | ISE | 40 ppm | 1986 |
| Gold | FA-NA | 1 ppb | 1986 |
| Iron | AAS | 0.02 pct | 1986 |
| Lead | AAS | 2 ppm | 1986 |
| Loss-on-ignition | GRAV | 1 pct | 1986 |
| Manganese | AAS | 5 ppm | 1986 |
| Mercury | CV-AAS | 10 ppb | 1986 |
| Molybdenum | AAS | 2 ppm | 1986 |
| Nickel | AAS | 2 ppm | 1986 |
| Sample Weight | GRAV | 0.01 gms | 1986 |
| Silver | AAS | 0.2 ppm | 1986 |
| Uranium | NADNC | 0.5 ppm | 1986 |
| Vanadium | AAS | 5 ppm | 1986 |
| Zinc | AAS | 2 ppm | 1986 |
| variable | method | detection limit | year of analysis |
|---|---|---|---|
| Calcium | ICP | 0.2 ppm | 1986 |
| Fluorine | ISE | 20 ppb | 1986 |
| Magnesium | ICP | 0.02 ppm | 1986 |
| Total Alkalinity | TIT | 2 ppm | 1986 |
| Uranium | LIF | 0.05 ppb | 1986 |
| pH | GCM | 1986 |
- Acknowledgements:
-
The reconnaissance surveys were undertaken by the Geological Survey of Canada in conjunction with the Ontario Ministry of Northern Development under the Canada - Ontario Mineral Development Agreement (1986 - 1990).
E.H.W. Hornbrook directed the survey.
P.W.B. Friske coordinated the operational activities of contract and Geological Survey of Canada staff.
- Collection:
-
Contractor and supervisor details for sample collection Category Responsible Party Contractor: SIAL Compagnie Internationale de Geophysique Inc., Dorval, Quebec Supervisor: E.H.W. Hornbrook, H.R. Schmitt (GSC) - Preparation:
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Contractor and supervisor details for sample preparation Category Responsible Party Contractor: Golder Associates, Ottawa, Ontario Supervisor: J.J. Lynch (GSC) - Analysis:
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Contractor and supervisor details for sample preparation Category Responsible Party Contractor: Barringer Magenta Ltd., Rexdale, Ontario Barringer Magenta Laboratories (Alberta), Ltd., Calgary, Alberta Chemex Labs, Ltd. North Vancouver, British Columbia Supervisor: J.J. Lynch (GSC)
- Other information:
- Date de modification