Occurrence of endotoxins in groundwater during the land application of wastewater

S. M. Goyal, Charles P Gerba

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Since sewage may contain high concentrations of bacterial endotoxin, the occurrence of endotoxin in groundwater underlying five sewage land application sites was studied. Endotoxin concentrations were found to range from 0.3 to 480 ng/ml in wells 3 to 37 m beneath these sites. Although these concentrations were higher than the native groundwater, a 90% to 99.9% reduction in endotoxin occurred during percolation of this sewage water through the soil.

Original languageEnglish (US)
Pages (from-to)187-196
Number of pages10
JournalJournal of Environmental Science and Health - Part A Environmental Science and Engineering
Volume17
Issue number2
StatePublished - 1982

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Sewage
Groundwater
Wastewater
Soils
Water

ASJC Scopus subject areas

  • Pollution

Cite this

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abstract = "Since sewage may contain high concentrations of bacterial endotoxin, the occurrence of endotoxin in groundwater underlying five sewage land application sites was studied. Endotoxin concentrations were found to range from 0.3 to 480 ng/ml in wells 3 to 37 m beneath these sites. Although these concentrations were higher than the native groundwater, a 90{\%} to 99.9{\%} reduction in endotoxin occurred during percolation of this sewage water through the soil.",
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AU - Gerba, Charles P

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AB - Since sewage may contain high concentrations of bacterial endotoxin, the occurrence of endotoxin in groundwater underlying five sewage land application sites was studied. Endotoxin concentrations were found to range from 0.3 to 480 ng/ml in wells 3 to 37 m beneath these sites. Although these concentrations were higher than the native groundwater, a 90% to 99.9% reduction in endotoxin occurred during percolation of this sewage water through the soil.

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