making sense of smells a guide for understanding farmstead odors part 3: odor measurement -- notes...
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![Page 1: Making Sense of Smells A Guide for Understanding Farmstead Odors Part 3: Odor Measurement -- Notes Douglas W. Hamilton Waste Management Specialist Biosystems](https://reader036.vdocuments.site/reader036/viewer/2022062314/56649e395503460f94b2a2c4/html5/thumbnails/1.jpg)
Making Sense of SmellsA Guide for Understanding Farmstead Odors
Part 3: Odor Measurement -- Notes
Douglas W. HamiltonWaste Management SpecialistBiosystems and Agricultural Engineering
![Page 2: Making Sense of Smells A Guide for Understanding Farmstead Odors Part 3: Odor Measurement -- Notes Douglas W. Hamilton Waste Management Specialist Biosystems](https://reader036.vdocuments.site/reader036/viewer/2022062314/56649e395503460f94b2a2c4/html5/thumbnails/2.jpg)
Odors need not be so mysterious …
1. They have structure
2. They are measurable
![Page 3: Making Sense of Smells A Guide for Understanding Farmstead Odors Part 3: Odor Measurement -- Notes Douglas W. Hamilton Waste Management Specialist Biosystems](https://reader036.vdocuments.site/reader036/viewer/2022062314/56649e395503460f94b2a2c4/html5/thumbnails/3.jpg)
Odor Measurement
How does it smell?
How Long?
How Much?
How Strong?
![Page 4: Making Sense of Smells A Guide for Understanding Farmstead Odors Part 3: Odor Measurement -- Notes Douglas W. Hamilton Waste Management Specialist Biosystems](https://reader036.vdocuments.site/reader036/viewer/2022062314/56649e395503460f94b2a2c4/html5/thumbnails/4.jpg)
Odor Measurement
How does it smell?
How Long?
How Much?
How Strong?
Character
![Page 5: Making Sense of Smells A Guide for Understanding Farmstead Odors Part 3: Odor Measurement -- Notes Douglas W. Hamilton Waste Management Specialist Biosystems](https://reader036.vdocuments.site/reader036/viewer/2022062314/56649e395503460f94b2a2c4/html5/thumbnails/5.jpg)
Odor Measurement
How does it smell?
How Long?
How Much?
How Strong?
Character
Persistence
![Page 6: Making Sense of Smells A Guide for Understanding Farmstead Odors Part 3: Odor Measurement -- Notes Douglas W. Hamilton Waste Management Specialist Biosystems](https://reader036.vdocuments.site/reader036/viewer/2022062314/56649e395503460f94b2a2c4/html5/thumbnails/6.jpg)
Odor Measurement
How does it smell?
How Long?
How Much?
How Strong?
Character
Persistence
Concentration
![Page 7: Making Sense of Smells A Guide for Understanding Farmstead Odors Part 3: Odor Measurement -- Notes Douglas W. Hamilton Waste Management Specialist Biosystems](https://reader036.vdocuments.site/reader036/viewer/2022062314/56649e395503460f94b2a2c4/html5/thumbnails/7.jpg)
Odor Measurement
How does it smell?
How Long?
How Much?
How Strong?
Character
Persistence
Concentration
Intensity
![Page 8: Making Sense of Smells A Guide for Understanding Farmstead Odors Part 3: Odor Measurement -- Notes Douglas W. Hamilton Waste Management Specialist Biosystems](https://reader036.vdocuments.site/reader036/viewer/2022062314/56649e395503460f94b2a2c4/html5/thumbnails/8.jpg)
Notes Odors
Character
Persistence
Concentration
Intensity
Measuring Notes and Odors
![Page 9: Making Sense of Smells A Guide for Understanding Farmstead Odors Part 3: Odor Measurement -- Notes Douglas W. Hamilton Waste Management Specialist Biosystems](https://reader036.vdocuments.site/reader036/viewer/2022062314/56649e395503460f94b2a2c4/html5/thumbnails/9.jpg)
Notes Odors
Character Verbal Description
Persistence
Concentration
Intensity
Measuring Notes and Odors
![Page 10: Making Sense of Smells A Guide for Understanding Farmstead Odors Part 3: Odor Measurement -- Notes Douglas W. Hamilton Waste Management Specialist Biosystems](https://reader036.vdocuments.site/reader036/viewer/2022062314/56649e395503460f94b2a2c4/html5/thumbnails/10.jpg)
Character
Organic AcidsAcetic Acid
Propionic Acid
Butanoic Acid
Iso-Valeric Acid
Pentanoic Acid
Alcohols, Aldehydes, KetonesMethanol
Formaldehyde
Acetone
Methyl Ethyl Ketone
Nitrogen CompoundsAmmonia
Methyl amine
Dimethyl amine
Diethyl amine
Indole
Skatole
Phenolic CompoundsPhenol
p-Cresol
Sulfuric CompoundsHydrogen Sulfide
Methyl mercaptan
Dimethyl sulfide
Diethyl sulfide
![Page 11: Making Sense of Smells A Guide for Understanding Farmstead Odors Part 3: Odor Measurement -- Notes Douglas W. Hamilton Waste Management Specialist Biosystems](https://reader036.vdocuments.site/reader036/viewer/2022062314/56649e395503460f94b2a2c4/html5/thumbnails/11.jpg)
Character
Organic AcidsAcetic Acid
Propionic Acid
Butanoic Acid
Iso-Valeric Acid
Pentanoic Acid
Alcohols, Aldehydes, KetonesMethanol
Formaldehyde
Acetone
Methyl Ethyl Ketone
Nitrogen CompoundsAmmonia
Methyl amine
Dimethyl amine
Diethyl amine
Indole
Skatole
Phenolic CompoundsPhenol
p-Cresol
Sulfuric CompoundsHydrogen Sulfide
Methyl mercaptan
Dimethyl sulfide
Diethyl sulfide
![Page 12: Making Sense of Smells A Guide for Understanding Farmstead Odors Part 3: Odor Measurement -- Notes Douglas W. Hamilton Waste Management Specialist Biosystems](https://reader036.vdocuments.site/reader036/viewer/2022062314/56649e395503460f94b2a2c4/html5/thumbnails/12.jpg)
Character
Organic AcidsAcetic Acid
Propionic Acid
Butanoic Acid
Iso-Valeric Acid
Pentanoic Acid
Alcohols, Aldehydes, KetonesMethanol
Formaldehyde
Acetone
Methyl Ethyl Ketone
Nitrogen CompoundsAmmonia
Methyl amine
Dimethyl amine
Diethyl amine
Indole
Skatole
Phenolic CompoundsPhenol
p-Cresol
Sulfuric CompoundsHydrogen Sulfide
Methyl mercaptan
Dimethyl sulfide
Diethyl sulfide
![Page 13: Making Sense of Smells A Guide for Understanding Farmstead Odors Part 3: Odor Measurement -- Notes Douglas W. Hamilton Waste Management Specialist Biosystems](https://reader036.vdocuments.site/reader036/viewer/2022062314/56649e395503460f94b2a2c4/html5/thumbnails/13.jpg)
Character
Organic AcidsAcetic Acid
Propionic Acid
Butanoic Acid
Iso-Valeric Acid
Pentanoic Acid
Alcohols, Aldehydes, KetonesMethanol
Formaldehyde
Acetone
Methyl Ethyl Ketone
Nitrogen CompoundsAmmonia
Methyl amine
Dimethyl amine
Diethyl amine
Indole
Skatole
Phenolic CompoundsPhenol
p-Cresol
Sulfuric CompoundsHydrogen Sulfide
Methyl mercaptan
Dimethyl sulfide
Diethyl sulfide
![Page 14: Making Sense of Smells A Guide for Understanding Farmstead Odors Part 3: Odor Measurement -- Notes Douglas W. Hamilton Waste Management Specialist Biosystems](https://reader036.vdocuments.site/reader036/viewer/2022062314/56649e395503460f94b2a2c4/html5/thumbnails/14.jpg)
Character
Organic AcidsAcetic Acid
Propionic Acid
Butanoic Acid
Iso-Valeric Acid
Pentanoic Acid
Alcohols, Aldehydes, KetonesMethanol
Formaldehyde
Acetone
Methyl Ethyl Ketone
Nitrogen CompoundsAmmonia
Methyl amine
Dimethyl amine
Diethyl amine
Indole
Skatole
Phenolic CompoundsPhenol
p-Cresol
Sulfuric CompoundsHydrogen Sulfide
Methyl mercaptan
Dimethyl sulfide
Diethyl sulfide
![Page 15: Making Sense of Smells A Guide for Understanding Farmstead Odors Part 3: Odor Measurement -- Notes Douglas W. Hamilton Waste Management Specialist Biosystems](https://reader036.vdocuments.site/reader036/viewer/2022062314/56649e395503460f94b2a2c4/html5/thumbnails/15.jpg)
Character
Organic AcidsAcetic Acid
Propionic Acid
Butanoic Acid
Iso-Valeric Acid
Pentanoic Acid
Alcohols, Aldehydes, KetonesMethanol
Formaldehyde
Acetone
Methyl Ethyl Ketone
Nitrogen CompoundsAmmonia
Methyl amine
Dimethyl amine
Diethyl amine
Indole
Skatole
Phenolic CompoundsPhenol
p-Cresol
Sulfuric CompoundsHydrogen Sulfide
Methyl mercaptan
Dimethyl sulfide
Diethyl sulfide
![Page 16: Making Sense of Smells A Guide for Understanding Farmstead Odors Part 3: Odor Measurement -- Notes Douglas W. Hamilton Waste Management Specialist Biosystems](https://reader036.vdocuments.site/reader036/viewer/2022062314/56649e395503460f94b2a2c4/html5/thumbnails/16.jpg)
Notes Odors
Character Verbal Description Offensiveness
Persistence Odor Chord
Concentration
Intensity
Measuring Notes and Odors
![Page 17: Making Sense of Smells A Guide for Understanding Farmstead Odors Part 3: Odor Measurement -- Notes Douglas W. Hamilton Waste Management Specialist Biosystems](https://reader036.vdocuments.site/reader036/viewer/2022062314/56649e395503460f94b2a2c4/html5/thumbnails/17.jpg)
Notes Odors
Character Verbal Description
Persistence Top Note
Middle Note
Base Note
Odor Chord
Concentration
Intensity
Measuring Notes and Odors
![Page 18: Making Sense of Smells A Guide for Understanding Farmstead Odors Part 3: Odor Measurement -- Notes Douglas W. Hamilton Waste Management Specialist Biosystems](https://reader036.vdocuments.site/reader036/viewer/2022062314/56649e395503460f94b2a2c4/html5/thumbnails/18.jpg)
Persistence
Top Notes Middle Notes Base NotesHydrogen Sulfide
Ammonia
Aldehydes
Alcohols
Ketones
Amines
Mercaptans
Short Organic Sulfides
Organic Acids
Phenolic Compounds
Indole
Skatole
Long Organic Sulfides
![Page 19: Making Sense of Smells A Guide for Understanding Farmstead Odors Part 3: Odor Measurement -- Notes Douglas W. Hamilton Waste Management Specialist Biosystems](https://reader036.vdocuments.site/reader036/viewer/2022062314/56649e395503460f94b2a2c4/html5/thumbnails/19.jpg)
Persistence
Top Notes Middle Notes Base NotesHydrogen Sulfide
Ammonia
Aldehydes
Alcohols
Ketones
Amines
Mercaptans
Short Organic Sulfides
Organic Acids
Phenolic Compounds
Indole
Skatole
Long Organic Sulfides
![Page 20: Making Sense of Smells A Guide for Understanding Farmstead Odors Part 3: Odor Measurement -- Notes Douglas W. Hamilton Waste Management Specialist Biosystems](https://reader036.vdocuments.site/reader036/viewer/2022062314/56649e395503460f94b2a2c4/html5/thumbnails/20.jpg)
Persistence
Top Notes Middle Notes Base NotesHydrogen Sulfide
Ammonia
Aldehydes
Alcohols
Ketones
Amines
Mercaptans
Short Organic Sulfides
Organic Acids
Phenolic Compounds
Indole
Skatole
Long Organic Sulfides
![Page 21: Making Sense of Smells A Guide for Understanding Farmstead Odors Part 3: Odor Measurement -- Notes Douglas W. Hamilton Waste Management Specialist Biosystems](https://reader036.vdocuments.site/reader036/viewer/2022062314/56649e395503460f94b2a2c4/html5/thumbnails/21.jpg)
Persistence
Top Notes Middle Notes Base NotesHydrogen Sulfide
Ammonia
Aldehydes
Alcohols
Ketones
Amines
Mercaptans
Short Organic Sulfides
Organic Acids
Phenolic Compounds
Indole
Skatole
Long Organic Sulfides
![Page 22: Making Sense of Smells A Guide for Understanding Farmstead Odors Part 3: Odor Measurement -- Notes Douglas W. Hamilton Waste Management Specialist Biosystems](https://reader036.vdocuments.site/reader036/viewer/2022062314/56649e395503460f94b2a2c4/html5/thumbnails/22.jpg)
Persistence
Top Notes Middle Notes Base NotesHydrogen Sulfide
Ammonia
Aldehydes
Alcohols
Ketones
Amines
Mercaptans
Short Organic Sulfides
Organic Acids
Phenolic Compounds
Indole
Skatole
Long Organic Sulfides
![Page 23: Making Sense of Smells A Guide for Understanding Farmstead Odors Part 3: Odor Measurement -- Notes Douglas W. Hamilton Waste Management Specialist Biosystems](https://reader036.vdocuments.site/reader036/viewer/2022062314/56649e395503460f94b2a2c4/html5/thumbnails/23.jpg)
Persistence
Top Notes Middle Notes Base NotesHydrogen Sulfide
Ammonia
Aldehydes
Alcohols
Ketones
Amines
Mercaptans
Short Organic Sulfides
Organic Acids
Phenolic Compounds
Indole
Skatole
Long Organic Sulfides
![Page 24: Making Sense of Smells A Guide for Understanding Farmstead Odors Part 3: Odor Measurement -- Notes Douglas W. Hamilton Waste Management Specialist Biosystems](https://reader036.vdocuments.site/reader036/viewer/2022062314/56649e395503460f94b2a2c4/html5/thumbnails/24.jpg)
Persistence
Top Notes Middle Notes Base NotesHydrogen Sulfide
Ammonia
Aldehydes
Alcohols
Ketones
Amines
Mercaptans
Short Organic Sulfides
Organic Acids
Phenolic Compounds
Indole
Skatole
Long Organic Sulfides
![Page 25: Making Sense of Smells A Guide for Understanding Farmstead Odors Part 3: Odor Measurement -- Notes Douglas W. Hamilton Waste Management Specialist Biosystems](https://reader036.vdocuments.site/reader036/viewer/2022062314/56649e395503460f94b2a2c4/html5/thumbnails/25.jpg)
Persistence
Top Notes Middle Notes Base NotesHydrogen Sulfide
Ammonia
Aldehydes
Alcohols
Ketones
Amines
Mercaptans
Short Organic Sulfides
Organic Acids
Phenolic Compounds
Indole
Skatole
Long Organic Sulfides
![Page 26: Making Sense of Smells A Guide for Understanding Farmstead Odors Part 3: Odor Measurement -- Notes Douglas W. Hamilton Waste Management Specialist Biosystems](https://reader036.vdocuments.site/reader036/viewer/2022062314/56649e395503460f94b2a2c4/html5/thumbnails/26.jpg)
Persistence
Top Notes Middle Notes Base NotesHydrogen Sulfide
Ammonia
Aldehydes
Alcohols
Ketones
Amines
Mercaptans
Short Organic Sulfides
Organic Acids
Phenolic Compounds
Indole
Skatole
Long Organic Sulfides
![Page 27: Making Sense of Smells A Guide for Understanding Farmstead Odors Part 3: Odor Measurement -- Notes Douglas W. Hamilton Waste Management Specialist Biosystems](https://reader036.vdocuments.site/reader036/viewer/2022062314/56649e395503460f94b2a2c4/html5/thumbnails/27.jpg)
Persistence
Top Notes Middle Notes Base NotesHydrogen Sulfide
Ammonia
Aldehydes
Alcohols
Ketones
Amines
Mercaptans
Short Organic Sulfides
Organic Acids
Phenolic Compounds
Indole
Skatole
Long Organic Sulfides
![Page 28: Making Sense of Smells A Guide for Understanding Farmstead Odors Part 3: Odor Measurement -- Notes Douglas W. Hamilton Waste Management Specialist Biosystems](https://reader036.vdocuments.site/reader036/viewer/2022062314/56649e395503460f94b2a2c4/html5/thumbnails/28.jpg)
Persistence
Top Notes Middle Notes Base NotesHydrogen Sulfide
Ammonia
Aldehydes
Alcohols
Ketones
Amines
Mercaptans
Short Organic Sulfides
Organic Acids
Phenolic Compounds
Indole
Skatole
Long Organic SulfidesNH3
![Page 29: Making Sense of Smells A Guide for Understanding Farmstead Odors Part 3: Odor Measurement -- Notes Douglas W. Hamilton Waste Management Specialist Biosystems](https://reader036.vdocuments.site/reader036/viewer/2022062314/56649e395503460f94b2a2c4/html5/thumbnails/29.jpg)
Persistence
Top Notes Middle Notes Base NotesHydrogen Sulfide
Ammonia
Aldehydes
Alcohols
Ketones
Amines
Mercaptans
Short Organic Sulfides
Organic Acids
Phenolic Compounds
Indole
Skatole
Long Organic SulfidesNH3
H3C-NH-CH3
![Page 30: Making Sense of Smells A Guide for Understanding Farmstead Odors Part 3: Odor Measurement -- Notes Douglas W. Hamilton Waste Management Specialist Biosystems](https://reader036.vdocuments.site/reader036/viewer/2022062314/56649e395503460f94b2a2c4/html5/thumbnails/30.jpg)
Persistence
Top Notes Middle Notes Base NotesHydrogen Sulfide
Ammonia
Aldehydes
Alcohols
Ketones
Amines
Mercaptans
Short Organic Sulfides
Organic Acids
Phenolic Compounds
Indole
Skatole
Long Organic SulfidesNH3
H3C-NH-CH3
N
CH3
![Page 31: Making Sense of Smells A Guide for Understanding Farmstead Odors Part 3: Odor Measurement -- Notes Douglas W. Hamilton Waste Management Specialist Biosystems](https://reader036.vdocuments.site/reader036/viewer/2022062314/56649e395503460f94b2a2c4/html5/thumbnails/31.jpg)
Notes Odors
Character Verbal Description
Persistence Top Note
Middle Note
Base Note
Odor Chord
Concentration Detection Level
Recognition Level
Intensity
Measuring Notes and Odors
![Page 32: Making Sense of Smells A Guide for Understanding Farmstead Odors Part 3: Odor Measurement -- Notes Douglas W. Hamilton Waste Management Specialist Biosystems](https://reader036.vdocuments.site/reader036/viewer/2022062314/56649e395503460f94b2a2c4/html5/thumbnails/32.jpg)
NH3 Recognition Level = 37,000 ppb
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NH3 Detection Level = 17 ppb
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NH3 Acute Hazard = 50,000 to 100,000 ppb
![Page 35: Making Sense of Smells A Guide for Understanding Farmstead Odors Part 3: Odor Measurement -- Notes Douglas W. Hamilton Waste Management Specialist Biosystems](https://reader036.vdocuments.site/reader036/viewer/2022062314/56649e395503460f94b2a2c4/html5/thumbnails/35.jpg)
NH3 Chronic Exposure = 25,000 ppb