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Japan has published draft "emission factors" that will be used as a benchmark to determine whether new small amount and low-volume chemical substances are exempt from notifications and risk assessments.
From January 2019, production and import of these substances will be regulated based on emissions rather than volumes of production/importing, according to current proposals.
This novel approach reflects the increasing variety of substances used in Japan, often in small batches. It seeks to maintain a precautionary approach to regulation, while addressing bottlenecks in production caused by unnecessary limits.