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:
“The emotional security and political stability in this country entitle us to be a nuclear power.”
—Ronald, Sir Mason (b. 1930)
“In our country the lie has become not just a moral category but a pillar of the State.”
—Alexander Solzhenitsyn (b. 1918)