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» Articles » PMID: 345967

Airborne Enteric Bacteria and Viruses from Spray Irrigation with Wastewater

Overview
Journal Appl Environ Microbiol
Specialties Environmental Health
Microbiology
Date 1978 Feb 1
PMID 345967
Citations 21
Authors
B Teltsch
E KATZENELSON
Affiliations
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Abstract

The relationship between bacterial concentrations in wastewater used for spray irrigation and in the air was examined. Aerosolized coliforms were detected when their concentration was 10(3)/ml or more in the wastewater. Relative humidity and solar irradiation appeared to affect viable bacteria in the air; a positive correlation was found between relative humidity and the number of aerosolized bacteria. The correlation between solar irradiation and bacterial level, on the other hand, was negative. During night irrigation, up to 10 times more aerosolized bacteria were detected than with day irrigation. Wind velocity did not play an important role in the survival of aerosolized bacteria. Echovirus 7 was isolated in 4 out of 12 air samples collected 40 m downwind from the sprinkler.

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