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

Phytotechnology Project Profiles

Phytoremediation at RTDF Site H in Rhode Island
Last Updated: December 2006
Site Information                                                      
Site Name, Location:   RTDF Site H, Providence, RI, United States
Site Type:   Gasoline Service Station/Petroleum Storage Facility
Is this a Federal
Superfund Site?
  No
Is this a Federal or
Military Site?
  No


Project Information                                                      
Project Name:   Phytoremediation at RTDF Site H in Rhode Island
Site History and Background:   The site is a former refined petroleum product distribution facility. Source of contamination is released refined petroleum products (including PRS1 and PRS6) and refinery waste.
Scale:   Pilot/Field Demonstration
Project Status:   Complete
Project Start Date:   May 2001
Project Completion Date:   2003
Media Treated:  
Media Qty. Geology Comments
Soil Groundwater is first encountered approximately 25 to 45 ft bgs. Contamination is found up to 15 ft bgs.
Contaminants Treated:  
Contaminant Initial
Concentration
Depth Media Comments
Total petroleum hydrocarbons Soil
Polycyclic aromatic hydrocarbons (PAH) Soil
Phytotechnology Mechanism(s):   Phytostabilization
Rhizodegradation
Plants and other Vegetation Used:   Rye Grass
Legumes
Fescue
Alfalfa
Planting Description:   Treatment 1: 10 - 15% rye, 20 - 25% legume, 60 - 70% fescue Treatment 2 & 3: unvegetated
Planting Area:   Not available
Evapotranspiration Rates:   Not available
Climate:   Average temperature range - 19 to 82F; Mean annual precipitation - 37"; Growing season - 175 days; Average first frost - October 16; Average last frost - April 26
O & M Requirements:   Treatments 1 and 3 were fertilized.
Performance Data:   High variability in data prevented detecting any trends in concentrations or differences among treatments. Vegetation grew well with generally more than 90% cover in Treatment 1.
Cost of the Phytotechnology Project:   Not available

Point(s) of Contact                                                                      
    David Tsao
BP Group Environmental Management Company
CanteraI, 2nd Floor MC 2S 28100 Torch Parkway 216A
Warrenville, IL United States
Telephone: (630) 836-7169
Fax: (630) 836-7193
E-mail: tsaodl@bp.com

Information Source(s):   Kulakow, P. 2000. Annual Report of the RTDF Phytoremediation Action Team - TPH Subgroup Cooperative Field Trials.

Kulakow, P. 2006. Final Report - RTDF Phytoremediation Action Team TPH Subgroup: Cooperative Field Trials (draft).

 

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