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Panel member

The terms ‘assessor’ and ‘panel member’ are used in the EN13725.  An assessor is a person who participates in odour measurements.  A panel member is an assessor who is qualified…

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Panel screening

Members are evaluated to determine if they are fit candidates for odour measurement.  Specific criteria must be met, for example, age etc.  In the EN13725 standard, n-butanol is used to…

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Panelist

The term ‘panelist’ is used in the E679-04 and is a selected individual that participates in performing odour measurements in a group with other selected individuals. Certain criteria must be…

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Panelist Screening

The EN13725 defines the following criteria for panelist screening: Have a detection threshold of n-butanol between 20ppb to 80ppb requires the assessor to be at least 16 years of age…

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Panelist Selection Criteria

See panelist Screening

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Particulate Matter (PM)

Tiny solid or liquid particles that are suspended in air. Particulate matter is produced from a wide variety of sources like natural and human-caused, large and small. They are comprised…

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Passive sources

Passive area sources usually and area have no defined flow or a weak flow.  Examples include a waste dump, clarifier or pond.  According to the VDI3880, a passive source has…

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PhotoIonization Detector (PID)

The PhotoIonization Detector (PID) is a portable vapor and gas detector that detects a variety of organic compounds. Photo ionization occurs when an atom or molecule absorbs light of sufficient energy to cause an…

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Point source

Odour emission from a single point (small opening) such as a stack. Sampling takes place by using a probe inserted into the stack sampling port to extract a sample. The…

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Presentation

Refers to conducting an odour measurement at a specific dilution for one assessor. A series of these presentations are administered to a panel in order to conduct odour measurements. Presentations…

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