アーカイブとしての堆積物を用いた阪神大震災時のアスベスト放出状況の評価

以沉积物为档案评估阪神大地震期间石棉释放状况

• 批准号: 21K12267
• 负责人: 井上 淳
• 金额: $ 2.41万
• 依托单位: Osaka Metropolitan University (2022)Osaka City University (2021)
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Scientific Research (C)
• 财政年份: 2021
• 资助国家: 日本
• 起止时间: 2021-04-01 至 2024-03-31
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-21K12267/
• 关键词: アスベスト; 球状炭化粒子; 堆積物; 汚染物質; 震災

日本におけるアスベストの使用は，2006年に全面禁止されているが，1970年頃の高度経済成長期から1990年頃までは，建材や繊維に広く使用されてきた.現在で はこうした時代に建設された建築物の修繕や解体・撤去に伴う周辺へのアスベスト飛散や建築従業者の被曝に伴う長期的な健康被害などが大きな問題となっている。課題研究では，阪神大震災の被災地やアスベスト産業地域における池の堆積物を対象に各種年代測定や大気汚染指標物である球状炭化粒子分析などを行う。また，研究を通して簡易な堆積物中のアスベスト含有量測定方法を確立す る。そして，報告されている1980年以降の定期的なモニタリングデータやアスベスト使用量の変遷，震災後の詳細なモニタリングデータと比較することにより， ため池堆積物などが過去のアスベスト飛散量のアーカイブとして機能するかを明らかにする。最終的には，震災によるアスベストの大気中への放出やアスベスト産業地域での局所的な汚染量が，過去のアスベスト使用の歴史の中でどのように位置づけられるかを明らかにすることを目的としている。本年度は，神戸市東灘区のため池堆積物の試料を採取し、試料の記載、分割、各種の基礎分析（コアスキャナー，帯磁率測定，CTスキャナーなど）に取り組んだ。また、アスベスト分析方法について種々の検討を進めた。来年度は、同試料を用いて年代測定、球状炭化粒子分析、アスベスト分析を進め、当該研究を遂行する予定である。

The use of building materials in Japan was completely banned in 2006, and the growth period of construction materials was highly developed in 1970 and 1990. The construction industry is exposed to long-term health problems due to the renovation, dismantling and removal of buildings. The research aims at the analysis of spherical carbonized particles in the areas affected by the Hanshin earthquake, including the accumulation of pollutants in industrial areas, the dating of various pollutants, and the analysis of spherical carbonized particles. To study the determination method of the content of calcium in simple deposits. This report describes the change in the amount of regular air pollution since 1980, and the comparison of the amount of air pollution after the earthquake. The final result is that the amount of pollution caused by the earthquake disaster in the region of the industry, the amount of pollution caused by the earthquake disaster in the past, the amount of pollution caused by the earthquake disaster in the region of the industry, the amount of pollution caused by the earthquake disaster in the region of the industry, the amount of pollution caused by the earthquake disaster in the region of the industry, the amount of pollution caused by the earthquake disaster in the past, the amount of pollution caused by the earthquake disaster in the region of the industry, the amount of pollution caused by the earthquake disaster in the region of the industry, the amount of pollution caused by the earthquake disaster in the region of the industry, the amount of pollution caused by the earthquake disaster in the region of the industry, the amount of pollution caused by the earthquake in the region of the industry, the amount of pollution caused by the earthquake in the region of the industry, the amount of pollution caused by the earthquake in the region of the industry, the amount of pollution caused by the earthquake in the region of the industry, and the amount of pollution caused by the earthquake in the region. This year, sample collection, sample recording, segmentation, and various basic analyses (measurement of magnetic susceptibility, CT clearance) of deposits in Dongtan District, Kobe City were selected. The method of analysis is discussed. In the future, the same sample will be used for dating, spherical charring particle analysis, and space analysis. When the study is carried out, it will be determined.