Wk 15 Soil Contaminants Flashcards
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)
