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Air Quality

Hydrogen sulfide gas (H2S) is produced from animal manures under anaerobic conditions. Hydrogen sulfide is an odorant and is known as an indoor air pollutant where it can reach toxic, and even lethal, concentrations. But is it more than just an odorant at normal outdoor concentrations? Webcast presenters are Larry Jacobson, University of Minnesota; Jim Sullivan, Minnesota Pollution Control Board; and Saqib Mukhtar, Texas AgriLife Extension. This presentation was originally broadcast on September, 19, 2008. More...

Video Segments and Power Point Slides

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View Entire Presentation (79 minutes). This is available only as streamed video.

View Individual Presentations

Hydrogen Sulfide Basics and Potential Impacts on Human Health

Larry Jacobson, University of Minnesota (17 minutes)

• Power Point slides
• Downloadable Flash video (12 MB)
• Streamed Video Click on the link and move the time slider (bottom of screen) to 8:10.
  

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The Minnesota Ambient Hydrogen Sulfide Air Quality Standards and the Livestock Industry: A Brief Overview

Jim Sullivan, Minnesota Pollution Control Board (20 minutes)

• Power Point Slides
• Downloadable Flash video (15 MB)
• Streamed Video Click on the link and move the time slider (bottom of screen) to 26:00.

Hydrogen Sulfide Emissions from Dairy and Beef Open Lots in Texas

Saqib Mukhtar, Texas AgriLife Extension (16 minutes)

• Power Point slides
• Downloadable Flash video (12 MB)
• Streamed Video Click on the link and move the time slider (bottom of screen) to 47:15.

Question and Answer segment

All presenters. (14 minutes)

• Downloadable Flash video (10 MB)
• Streamed Video Click on the link and move the time slider (bottom of screen) to 1:04:00.

Continuing Education Units

Certified Crop Advisers (CCA)

CCAs an receive 1 CEU (most LPE webcasts are approved for either 'nutrient management' or 'soil & water management') by viewing the entire presentation and taking the quiz. Visit the CCA continuing education page for additional CEU opportunities.
Note: The CCA program charges a fee to administer CEUs.

American Registry of Professional Animal Scientists (ARPAS)

Members of ARPAS can receive 1 CEU by viewing the entire presentation and contacting ARPAS headquarters. Visit the ARPAS continuing education page for additional CEU opportunities.

Additional Resource and Links

• Final Report to National Pork Board, hydrogen sulfide monitoring research
• Jacobson, Larry D. (2007) Animal Structures: Air Quality Encyclopedia of Agricultural, Food, and Biological Engineering, 1:1, 1-3, DOI: 10.1081/E-EAFE-120007233.