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 country is an archipelago of lakes,—the lake-country of New England.”
—Henry David Thoreau (1817–1862)
“In the great cities, winter glitters with art and feasting. But poetry, the country cousin, sees only the dearth of the fields.”
—Mason Cooley (b. 1927)