The selection standard concentration is a concentration set by the Ministry of the Environment for panel selection, and is used for olfactory tests, olfactory training, and the national odor evaluator examination.
There are 9 concentration settings, and it can be used for a wide range of purposes, from olfactory tests to training and sensitivity measurements. 5 Standard Odor Set: 25 standard odors (including selected standard concentrations), 3 control solutions, 8 odor papers
