Making Sense of Smells
Discussing Odors with Diverse Audiences
Another Laboratory Exercise
Douglas W. Hamilton
Waste Management Specialist
Biosystems and Agricultural Engineering
Rate Mystery Liquids
Intensity
Offensiveness
Mystery Liquids Tested
Tap Water
Cologne
Raw Swine Wastewater
Facultative Lagoon Wastewater
Covered Anaerobic Lagoon Wastewater
Aerobic Lagoon Wastewater
Sniff Test
#1 #2 #3 #4
How Strong?
How Bad?
Intensity
Scale = 0 to 6
Offensiveness
Scale = 0 to 6
Intensity Scale
0 = no odor
1 = very faint
2 = faint
3 = distinct
4 = strong
5 = very strong
6 = extremely strong
Offensiveness Scale
0 = Inoffensive
1 = Very faintly Offensive
2 = Faintly Offensive
3 = Definitely Offensive
4 = Strongly Offensive
5 = Very Strongly Offensive
6 = Extremely Offensive
Cologne
Results from Spring 2010 Class
Cologne
Results from 2003-2010
0.00
0.25
0.50
0.75
1.00
0 1 2 3 4 5 6
0.00
0.25
0.50
0.75
1.00
0 1 2 3 4 5 6
Intensity Offensiveness
Manure
Results from 2003-2010
Intensity Offensiveness
0.00
0.25
0.50
0.75
1.00
0 1 2 3 4 5 6
0.00
0.25
0.50
0.75
1.00
0 1 2 3 4 5 6
Cologne
Results from Spring 2010 Class
Cologne
Results from 2003-2010
Mystery Liquids Tested
Raw Swine Wastewater
Facultative Lagoon Wastewater
Covered Anaerobic Lagoon Wastewater
Aerobic Lagoon Wastewater
p
Lift
Station 2
Open Aerobic
Lagoon
Buildings
p
Lift
Station 1
Splitter Box1
Splitter Box 2
Equalization
Tank
ASBR
p
Covered Anaerobic
Lagoon
Subsurface Irrigation System
Collection Sewer
p
Lift
Station 2
Open Aerobic
Lagoon
Buildings
p
Lift
Station 1
Splitter Box1
Splitter Box 2
Equalization
Tank
ASBR
p
Covered Anaerobic
Lagoon
Subsurface Irrigation System
Collection Sewer
Raw Manure
Raw Manure
Results from 2006-2010
Raw Manure
Results from 2006-2010
Results from 2003-2010
Raw Manure
p
Lift
Station 2
Open Aerobic
Lagoon
Buildings
p
Lift
Station 1
Splitter Box1
Splitter Box 2
Equalization
Tank
ASBR
p
Covered Anaerobic
Lagoon
Subsurface Irrigation System
Collection Sewer
Covered Lagoon
Results from 2006-2010
Raw Manure
Covered Lagoon
p
Lift
Station 2
Open Aerobic
Lagoon
Buildings
p
Lift
Station 1
Splitter Box1
Splitter Box 2
Equalization
Tank
ASBR
p
Covered Anaerobic
Lagoon
Subsurface Irrigation System
Collection Sewer
Aerobic Lagoon
Results from 2003-2010
Raw Manure
Covered Lagoon
Aerobic Lagoon
Results from 2003-2010
Raw Manure
Covered Lagoon
Aerobic Lagoon

Making Sense of Smells – Communicating Odors to Diverse Audiences - Part 2