As the environmental significance of odor pollution is recognized by the public, demand for accurate assessment of these pollutants has been growing steadily. Hence, the analytical methodologies commonly used for their determination need to be evaluated from various respects. This SI is thus intended to compile up-to-date knowledge on the determination of odor pollution with emphasis on volatile organic compounds (VOCs) and many key odor components such as reduced sulfur compounds (RSCs), organic acids, carbonyls, and nitrogenous compounds (ammonia and trimethyl amine). This important issue intends to gather the latest research from around the globe with a focus on the newest developments in the measurement techniques that are not confined to expensive instrumental settings but extended to simple sensing tools. Application of these methods can be intended to cover all environmental matrices commonly represented by air, water, and soil. Potential topics include, but are not limited to:

• Automatic or improved sampling technologies for volatile species and odorants
• Automatic or improved analytical technologies for volatile species and odorants
• Focus on key offensive odorants: reduced sulfur, carbonyls, fatty acids, ammonia, amines, and so on
• Performance test on grab sampling and/or sorbent sampling method
• QA for odorant analysis to improve the accuracy and precision of odorant or VOC analysis
• Sensor method for the detection of VOCs and odorants
• Control and elimination processes for VOCs/odorants and their precursors
• Occurrence and fate of VOCs and odorants and their precursors in environments
• The use of robotic systems (CTC or Gerstel) for dynamic headspace or in-tube extraction approaches

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