By Country
Various national standards for concentrations of particular contaminants include the United States EPA Region 9 Preliminary Remediation Goals (U.S. PRGs), the U.S. EPA Region 3 Risk Based Concentrations (U.S. EPA RBCs) and National Environment Protection Council of Australia Guideline on Investigation Levels in Soil and Groundwater.
Read more about this topic: Soil Contamination
Famous quotes containing the word country:
“Tjaden: How do they start a war?
Albert: Well, one country offends another.
Tjaden: How could one country offend another? You mean there’s a mountain over in Germany gets mad at a field in France?”
—Maxwell Anderson (1888–1959)
“The sun will not shine on any country that has borders with ours.”
—Herodotus (c. 484–424 B.C.)