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U.S. Environmental Protection Agency
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Phytotechnology Project Profiles

Phytoremediation at the McCormick and Baxter Superfund Site in Oregon
Last Updated: January 2006
Site Information                                                      
Site Name, Location:   McCormick and Baxter Superfund Site, Portland, OR, United States
Site Type:   Federal Facility
Is this a Federal
Superfund Site?
  Yes
ROD Date, if applicable:   04/1996
Is this a Federal or
Military Site?
  Yes


Project Information                                                      
Project Name:   Phytoremediation at the McCormick and Baxter Superfund Site in Oregon
Scale:   Full
Project Status:   Complete
Project Start Date:   March 1997
Project Completion Date:   Not available
Media Treated:  
Media Qty. Geology Comments
Soil Surface soil is sandy.
Contaminants Treated:  
Contaminant Initial
Concentration
Depth Media Comments
Benzo(b)fluoranthene 4.2 +/- 1.0 mg/kg Soil
Chrysene 11.3 +/- 2.6 mg/kg Soil
Fluoranthene 21.8 +/- 6.1 mg/kg Soil
Pentachlorophenol 80.4 +/- 23.4 mg/kg Soil
Pyrene 33.5 +/- 10.7 mg/kg Soil
Polycyclic aromatic hydrocarbons (PAH) Soil
Phytotechnology Mechanism(s):   Phytoremediation
Rhizodegradation
Phytodegradation
Plants and other Vegetation Used:   Hybrid Poplar
Rye Grass
Planting Area:   0.06 acre
Climate:   Temperature range: 6-107 F; Mean annual precipitation: 36.3 inches; Elevation: 33 feet; Growing season: 4/26 to 10/18. Additional details: 65F average summer temperature; 40F average winter temperature; 60% average relative humidity in mid-afternoon; 60% possible sunshine in summer; 14 km/hour average maximum windspeed.
O & M Requirements:   Irrigation and fertilization.
Performance Data:   Not available
Cost of the Phytotechnology Project:   U.S. EPA SITE Emerging Technology Program Award ($300,000). Budget includes both greenhouse and field-scale studies for years 1996 and 1997.
Lessons Learned:   Variability in soil containment concentrations may obscure treatment effects. Variability can be reduced by normalizing data for soil moisture and correcting soil containment concentrations by comparison with a recalcitrant soil containment. Pre-mixing.

Point(s) of Contact                                                                      
    Ari Ferro
National Director
ENSR/AECOM
7041 Old Wake Forest Road, Suite 103
Raleigh, NC United States
Telephone: 919-872-6600
E-mail: aferro@ensr.aecom.com

Information Source(s):   Green, Cynthia; Ana Hoffnagle. 2004. Phytoremediation Field Studies Database for Chlorinated Solvents, Pesticides, Explosives, and Metals.
http://clu-in.org/download/studentpapers/hoffnagle-phytoremediation.pdf

Associated Vendor(s) or Consultant(s):   Phytokinetics
 

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