Document Detail

A multi-year field olfactometry study near a concentrated animal feeding operation.
MedLine Citation:
PMID:  22263428     Owner:  NLM     Status:  In-Process    
This study developed and tested a protocol for monitoring odors near a Concentrated Animal Feeding Operation (CAFO). The Nasal Ranger, a portable field olfactometry instrument, was used by a panel of trained individuals to conduct the monitoring near a swine CAFO. Monitors were selected based on olfactory sensitivity, scheduling availability, and lack of association with the CAFO or residential neighbors of the CAFO. Monitors were trained to use the Nasal Ranger, collect and record weather data, and characterize any odors detected. Data were collected over a 3-year period (2007-2009) for approximately 9 months each year. The data recorded included odor intensity, a description of the odor, date and time of the reading, and weather conditions. Of more than 50,000 readings, forty-one (0.1%) odor readings had a dilution to threshold ratio (D/T) of +/- 7:1 and were attributed to hog manure. The frequency of odor readings attributed to hog manure with D/T +/-7:1 was found to negatively correlate with log wind speed and positively correlate with wind from the direction of the farm. Other meteorological variables (temperature, precipitation, cloud cover) and time of day did not influence the frequency.
Pamela Dalton; Edward A Caraway; Herman Gibb; Keri Fulcher
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Journal of the Air & Waste Management Association (1995)     Volume:  61     ISSN:  1096-2247     ISO Abbreviation:  J Air Waste Manag Assoc     Publication Date:  2011 Dec 
Date Detail:
Created Date:  2012-01-23     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9503111     Medline TA:  J Air Waste Manag Assoc     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1398-408     Citation Subset:  IM    
Monell Chemical Senses Center, Philadelphia, Pennsylvania 19104, USA.
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