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Sampling Sites

Integrated Atmospheric Deposition Network Monitoring Stations

IADN has been designed with one Master Station on each of the five Great Lakes, supplemented by a number of Satellite Stations to provide more spatial detail for deposition.

The Master Stations allow the complete range of measurements made in the Network, enabling total atmospheric loading to be determined for Semivolatile Organic Compounds (SVOCs) and trace metals. Satellite Stations only collect a portion of the measurements made at the Master Stations.

IADN also estimates gas exchange of the SVOCs with the lake surfaces by using the air concentration measurements of the SVOCs at these sites in combination with water concentration measurements of the same chemicals made by other programs.

Monitoring Stations

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