Abstract
The biogeochemistry of nitrogen compounds in ground waters is exceedingly complex. The exclusive chemical monitoring of nitrates in ground waters is overly simplistic and may lead to errors in data interpretation. Nitrogen compounds are biodegradable and an understanding of the physical, chemical, and biologic systems through which transient water is moving is important in analyzing chemical data. Ground water nitrate contamination is generally encountered in shallow aquifers which have direct or indirect hydraulic continuity with the ground surface. Surface sources of ground water nitrate contamination related to man's activities include domestic sewage, agricultural practices, and high-density animal confinement.
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