Ann Arbor Technical Services

Earth-Tech

Peter M Simon

Philip B Simon

David Richardson

The present invention includes methods for investigating a site for possible selective removal of sediment containing a contaminant. The methods include calculating an adjusted contaminant concentration for sediment zones on the site. The site preferably contains a water course. The methods may also include determining whether sediment zone need remediation by comparing the adjusted contaminant concentration to a standard. The invention also includes a system for carrying out the described methods, at least partially implemented in a computer.

Geomorphology for environmental remediation process and systems

The present invention uses one or more sediment survey techniques to map the sediment of a water course in three dimensions. The sediment survey techniques result in sediment definition that may be used to identify zones of sediment (whether areas or volumes) that are likely to contain contaminants. This may be based on the identity of the sediment, the location of the sediment in the water course, the depth of the sediment and/or the thickness of the sediment layer. In one embodiment, the sediment survey techniques, and the resulting sediment definition, may be used in combination with geomorphology techniques to calculate an adjusted contaminant concentration for sediment zones. Based on the adjusted contaminant concentrations for a site, selective sediment removal may be used to achieve the most effective removal of contaminant with the least of sediment removal or sediment testing.

Geomorphology for environmental remediation processes and systems including sediment survey

According to the methods, a site is investigated for possible selective removal of sediment containing a contaminant. An adjusted contaminant concentration is calculated for sediment zones on the site. The site preferably contains a water course. A determination may be made as to whether the sediment zone needs remediation by comparing the adjusted contaminant concentration to a standard. The method may be at least partially implemented in a computer.

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Ann Arbor, MI, United States of America

Peter M Simon