Wk 15 Soil Contaminants
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WK 15 SOIL CONTAMINATION NOTES What are XENOBIOTICS?
They are artificially synthesized compounds that are new to the environment XENOBIOTICS often are resistant to decay “XENO” means new
WK 15 SOIL CONTAMINATION NOTES What common contaminants from dumping are artificially synthesized compounds that are new to the environment? They are often resistant to decay.
XENOBIOTICS
WK 15 SOIL CONTAMINATION NOTES XENOBIOTICS are often resistant to _______.
decay
WK 15 SOIL CONTAMINATION NOTES Artificially synthesized compounds that are new to the environment and are commonly dumped are called _______.
XENOBIOTICS
What are two of the most poisonous Heavy Metal Contaminants. Also what type of heavy metals are highly mobile in soil solution and the water table?
Cadmium and Arsenic are the most poisonous Arsenates are highly mobile in soil solution and the water table.
What are common contaminants from residual after use? DEFINITIONS residual • remaining after the majority of something has been removed • something that remains after part of something has been removed
Coal Ash – high in zinc and lead Sewage Sludge – bacterial risk & high heavy metals (Ca, Cr, Pb, Zn, Cu, Ni mostly)