Agricultural and Biosystems Engineering Publications

Campus Units

Agricultural and Biosystems Engineering

Document Type

Article

Publication Version

Accepted Manuscript

Publication Date

2006

Journal or Book Title

Journal of the Air & Waste Management Association

Volume

56

Issue

10

First Page

1472

Last Page

1483

Research Focus Area(s)

Animal Production Systems Engineering

DOI

10.1080/10473289.2006.10465680

Abstract

Comprehensive field studies were initiated in 2002 to measure emissions of ammonia (NH3), hydrogen sulfide (H2S), carbon dioxide (CO2), methane (CH4), nonmethane hydrocarbons (NMHC), particulate matter <10 µm in diameter, and total suspended particulate from swine and poultry production buildings in the United States.

This paper focuses on the quasicontinuous gas concentration measurement at multiple locations among paired barns in seven states. Documented principles, used in air pollution monitoring at industrial sources, were applied in developing quality assurance (QA) project plans for these studies. Air was sampled from multiple locations with each gas analyzed with one high quality commercial gas analyzer that was located in an environmentally controlled on-farm instrument shelter. A nominal 4 L/min gas sampling system was designed and constructed with Teflon wetted surfaces, bypass pumping, and sample line flow and pressure sensors. Three-way solenoids were used to automatically switch between multiple gas sampling lines with ≥10 min sampling intervals. Inside and outside gas sampling probes were between 10 and 115 m away from the analyzers. Analyzers used chemiluminescence, fluorescence,photoacoustic infrared, and photoionization detectors for NH3, H2S, CO2, CH4, and NMHC, respectively. Data were collected using personal computer-based data acquisition hardware and software. This paper discusses the methodology of gas concentration measurements and the unique challenges that livestock barns pose for achieving desired accuracy and precision, data representativeness, comparability and completeness, and instrument calibration and maintenance.

Comments

This is an Accepted Manuscript of an article published by Taylor & Francis as Heber, Albert J., Ji-Qin Ni, Teng T. Lim, Pei-Chun Tao, Amy M. Schmidt, Jacek A. Koziel, David B. Beasley et al. "Quality assured measurements of animal building emissions: Gas concentrations." Journal of the Air & Waste Management Association 56, no. 10 (2006): 1472-1483. DOI: 10.1080/10473289.2006.10465680. Posted with permission.

Copyright Owner

Air & Waste Management Association

Language

en

File Format

application/pdf

Published Version

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