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

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  • PRTRすそ切り以下工場・事業場における全国市区町村での化学物質の在庫量の推計
  • PRTRスソキリ イカ コウジョウ ・ ジギョウジョウ ニ オケル ゼンコク シクチョウソン デ ノ カガク ブッシツ ノ ザイコリョウ ノ スイケイ

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Abstract

<p>In preparation for the leakage of chemical substances from factories and workplaces caused by disasters and accidents, it is desirable for each local government to grasp the daily stock amount of chemical substances in advance. In this study, we tried to estimate the daily stock amount of chemical substances in factories and workplaces below-threshold-condition of PRTR in municipalities nationwide.</p><p>Using the release amount data of factories and workplaces below-threshold- condition of PRTR published by the Ministry of Economy, Trade and Industry/the 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.</p>

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