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A 24-Hour Air Sample Collection System

Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan

Citation:  2010 Pittsburgh, Pennsylvania, June 20 - June 23, 2010  1009597.(doi:10.13031/2013.29940)
Authors:   K A Janni, N Akdeniz, D R Schmidt, L D Jacobson, B P Hetchler
Keywords:   Air pollution, Gas sampling, Gas concentration

Increasing interest in gas emissions from animal agriculture operations may lead to development of new mitigation practices that will need to be field tested. A proposed protocol recommends collecting air samples over a 24-hour period. This report describes the design, performance and results from initial tests of a portable system for filling 50 L air sample bags over 24-hour sampling periods. Two bag filling schedules were tested, filling a sample bag 4 seconds every minute and filling the bag for 4 minutes every hour. The bag sample concentrations were compared to semi-continuous sampling system concentrations.

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