Environmental Engineering Reference
In-Depth Information
Table 2.1
Summary of PAH Level in Two Density Fractions (Silt/Clay and Coal) of the Milwaukee Harbor
CDF-Dredged Material, the Sequestration Energy Measured by Thermal Desorption Mass Spectrometry, the Rapidly
Desorbed Fraction (Tenax), and the Bioaccumulation by Earthworms and Microbial Biodegradation Potential (Talley
et al., 2002)
Measures of PAH Availability
Fraction of Milwaukee
CDF-Dredged
Material
% Dry Wt.
of Dredged
Material
Total PAH
Level
(mg/kg)
Sequestration
Energy
Sorption of
RC to Tenax
Earthworm
Uptake
Biodegradation
Potential
Silt/Clay
95%
80-100
<40%
Low
>85%
High
High
Coal
5%
10,000
>60%
High
<5%
Low
Low
