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:
“It is only in the country that we can get to know a fellow-being or a book.”
—Cyril Connolly (1903–1974)
“The citizen who criticizes his country is paying it an implied tribute.”
—J. William Fulbright (1905–1995)