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:
“Cosmopolitan critics, men who are the friends of every country save their own.”
—Benjamin Disraeli (1804–1881)
“The total collapse of the public opinion polls shows that this country is in good health. A country that developed an airtight system of finding out in advance what was in people’s minds would be uninhabitable.”
—E.B. (Elwyn Brooks)