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U.S. Environmental Protection Agency
U.S. EPA Technology Innovation and Field Services Division

Phytotechnology Project Profiles

Phytoremediation at Ashland Inc. in Wisconsin
Last Updated: Fall 2004
Site Information                                                      
Site Name, Location:   Ashland Inc., Milwaukee, WI, United States
Site Type:   Not Available
Is this a Federal
Superfund Site?
  No
Is this a Federal or
Military Site?
  No


Project Information                                                      
Project Name:   Phytoremediation at Ashland Inc. in Wisconsin
Scale:   Full
Project Status:   Ongoing
Project Start Date:   May 2000
Media Treated:  
Media Qty. Geology Comments
Soil Soil consists of fill, concrete and rock.
Ground Water Groundwater 10 feet below ground surface
Contaminants Treated:  
Contaminant Initial
Concentration
Depth Media Comments
Not specified Ground Water Diesel Range Organics
1,1-Dichloroethane Soil
1,1-Dichloroethane Ground Water
Ethylbenzene Soil
Ethylbenzene Ground Water
Gasoline Soil
Gasoline Ground Water
Tetrachloroethene Soil
Tetrachloroethene Ground Water
Toluene Soil
Toluene Ground Water
Trichloroethene Soil
Trichloroethene Ground Water
Benzene-toluene-ethylbenzene-xylene (BTEX) Soil
Benzene-toluene-ethylbenzene-xylene (BTEX) Ground Water
Diesel fuel Soil Diesel Range Organics
Xylene Soil
Xylene Ground Water
Phytotechnology Mechanism(s):   Phytoremediation
Hydraulic Control
Phytoextraction
Rhizodegradation
Plants and other Vegetation Used:   Hybrid Poplar
Understory Grasses
Planting Description:   485 trees planted
Planting Area:   0.4 acre
Climate:   Temperature range: -26 to 103 F; Elevation: 672 feet; Mean annual precipitation: 34 inches; Growing season: 5/20 to 9/26
O & M Requirements:   Mowing, weeding, composting, insecticide
Performance Data:   Tree survival = 88% initially, 99% after replanting phytotoxic areas.
Cost of the Phytotechnology Project:   $80,000
Comments:   Trees have tripled in height since planting. Roots observed at 10 feet depth during first growing season. Subsurface aeration has increased soil oxygen levels from 5% to 15%.

Point(s) of Contact                                                                      
    Jim Vondracek
RMT
Ashland, Inc.
Milwaukee, WI United States
Telephone: (614) 790-646
E-mail: jevondracek@ashland.com

Information Source(s):   McLinn, E., Vondracek, J., and E. Aitchison. 2001. "Monitoring Remediation with Trembling Leaves: Assessing the Effectiveness of a Full-Scale Phytoremediation System." In: A. Leeson, E. Foote, M. Banks, and V. Magar (eds.) Phytoremediation, Wetlands, and Sediments, p. 121-127. Battelle Press, Columbus, Ohio.

Ecolotree Applications
http://www.ecolotree.com/applications.html

EPA. 2005. Use of Field-Scale Phytotechnology for Chlorinated Solvents, Metals, Explosives and Propellants, and Pesticides. EPA 542-R-05-002.
http://www.epa.gov/tio/download/remed/542-r-05-002.pdf

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

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