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:
“Just as there are not two suns in the sky, so a country cannot have two kings.”
—Chinese proverb.
“No country has suffered so much from the ruins of war while being at peace as the American.”
—Edward Dahlberg (1900–1977)