Estimation of Daily Stock Amount of Chemical Substances in Factories and Workplaces Below-threshold-condition of PRTR in Municipalities Nationwide

Ministry of the Environment and economic census data, the release amount was prorated for each municipality in Japan, and each daily stock amount was estimated using the method of the previous research based on above release amount data. In some municipalities, there were cases where the daily stock amount in those factories and workplaces was more than that in PRTR notified ones, and it seems that daily attention to those factories and workplaces is also necessary as a preparation for disasters and accidents.