The Eco-Strategies Group

Remediation - Site Examples

Tonolli Metals Superfund Site

The Tonolli Metals Superfund site contained soil contaminated with highly weathered #4 Fuel Oil at concentrations low enough to go directly to Phase II of the Phased Approach. Warm season grasses were planted with a nurse crop of a cool season grass for soil stabilization. Hydroseeding and cultipacking were used for plant stand establishment. Both the cool and warm season grasses developed as expected with no inhibition from petroleum hydrocarbons which have significantly decreased (P=.05) in all treatment cells except one.
The cost savings of using this approach was realized over traditional hauling and disposal costs with the additional sampling and analysis included.

                    Tonolli aerial view

  Aerial view of the Tonolli Metals Superfund site with stockpiled petroleum contaminated soil on left.

root systems tunnels
 Small mammal tunnels under the vegetation cover in Treatment Cell #3
 Root system of warm season grasses on left compared to cool season on right

panoramic-early
 Panoramic view of treatment area at the Tonolli Metals site at the beginning of the second growing season

panorama-late
 Panoramic view of treatment area at the Tonolli Metals site at the end of the second growing season

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The Eco-Strategies Group, P.O. Box 433, Allamuchy, NJ 07820
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