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Technical Note DOER-C9
November 1999
Table 3
Suggested Phytoreclamation Considerations for Metals in Dredged Material
Leaf
Soil
Group Remarks
Concentration
mg kg-1
Conditions
(References)
Metal
Plant Species
"Florida Plant"
NA
NA
Not ready for use (None
specified)
Thlaspi caerulencens
Cadmium
1,800
NA
Great Lakes Region, 5-10
kg/ha/year (Li et al. 1997)
Aeollanthus biformifolius
13,700
NA
Not ready for use (Brooks
Copper
and Radford 1978)
"ET1 Plants"
NA
NA
Reduction of chromate
required (None specified)
Haumaniastrum robertii
Cobalt
10,200
NA
NA (Brooks 1977)
Mercury
Poplar Sp.
NA
NA
Volatilization (Rugh et al
Canol Sp.
1996)
Lead
Plants not recommended
NA
Apply
Inactivation of lead using
Phosphate
phosphate fertilizer preferred
(Chaney, Ryan, and Brown
1999; Berti and Cunningham
(1997)
Phyllanthus serpentinus
Nickel
38,100
NA
NA (Kersten et al. 1979)
Astragalus racemosus
Selenium
14,900
NA
Needs EPA approval;
hyperaccumulation
/volatilization (Beath,
Eppsom, and Gilbert 1937)
Thlaspi calaminare
Zinc
39,600
NA
Effective (Reeves and
Brooks (1983)
1
Evapotranspiration.
Table 4
Suggested Phytoreclamation Considerations for Petroleum Hydrocarbons
Compound
Plant Species
Soil Conditions
Remarks
PAHs (3-4 Ring)
Bermuda
pH near 7.0
Degradation is most likely
White Clover
High Fertility
process. Can reduce
Tall Fescue
Aerobic
concentration to <1 ppm.
Birdsfoot Trefoil
Can achieve 60-90
St. Augustine
percent reduction in one
Weeping Love
year (Lee et al., in
Wheat
preparation)
Barley
Ryegrass (A/P)1
PAHs (5-6+ Ring)
Same as above
Same as above
Degradation is slower.
Achieve 40-50 percent
reduction in 2-3 years.
(Lee et al., in preparation)
TRPHs
Same as above
Same as above
Need to analyze
Application of PAM
individual PAHs and
TRPHs (Schwab 1997)
1
Annual or perennial.
6
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