Biological Systems Engineering

 

Date of this Version

July 2002

Comments

Written for presentation at the 2002 ASAE Annual International Meeting / CIGR XVth World Congress, Sponsored by ASAE and CIGR, Hyatt Regency Chicago, Chicago, Illinois, USA. July 28-July 31, 2002. Copyright © 2002 R. Koelsch, B. Woodbury, D. Stenberg, D. Miller, and D. Schulte.

Abstract

A field survey of Total Reduced Sulfur (TRS) concentrations in the vicinity of beef cattle feedlots was conducted to compare field observations against current regulatory thresholds. In addition, environmental factors that may contribute to increased TRS emissions were evaluated. It was observed that TRS levels in the vicinity of beef cattle feedlots are not likely to exceed current regulatory thresholds used by mid-western states. It was further noted that concentration of TRS varies with air temperature and time of day. However, wet feedlot surface conditions and wind speed had almost no impact upon observed concentrations.



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