Odour Regulation and Odour Measurement in Japan

Odour Regulation and Odour Measurement in Japan

The Offensive Odor Control Law, which enacted in 1972, introduced an instrument measurement method on each substance. The number of complaints on offensive odors, especially from factories and livestock farms, has gradually declined. However, the number of complaints on offensive odors of service industries has been increasing. It is difficult to apply the instrumental odor measurement method to odors from those service industries. The 1995 Amendment to the Law introduced olfactory measurement using “triangular odor bag method” and obliged local government to contract with certified operators when they commission olfactory measurement. The Ministry published a manual of quality control on olfactory measurement and a manual of safety assurance of olfactory measurement in 2002. In order to support technical development, the Ministry started technology verification on odor control equipment for small service industries.

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