Environmental behavior and impact assessment of hazardous chemicals in products in their recycling and disposal stage

2015 Fiscal Year Final Research Report

• Project/Area Number: 25241023
• Research Category: Grant-in-Aid for Scientific Research (A)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: Environmental risk control and evaluation
• Research Institution: Yokohama National University
• Principal Investigator: MASUNAGA Shigeki 横浜国立大学, 環境情報研究科(研究院), 教授 (50282950)
• Co-Investigator(Kenkyū-buntansha): MIYAKE Atsumi 横浜国立大学, 環境情報研究院, 教授 (60174140) ; HONDO Hiroki 横浜国立大学, 環境情報研究院, 教授 (90371210) ; KOBAYASHI Takeshi 横浜国立大学, 環境情報研究院, 准教授 (60293172)
• Research Collaborator: TOKUMURA Masahiro 横浜国立大学, 環境情報研究院, 科研費研究員 ; MANAGAKI Satoshi 武蔵野大学, 工学部, 准教授 (00447434)
• Project Period (FY): 2013-04-01 – 2016-03-31
• Keywords: 化学物質管理 / 製品 / プラスチック添加剤 / 難燃剤 / リスク評価 / リサイクル / 車室内環境

Outline of Final Research Achievements

Behavior and fate of plastic additive chemicals at their use, recycle, and disposal stage were investigated for the better understanding of their environmental risk. Firstly, information on plastic additives was collected to construct a chemical additive database. Secondly, we visited recycling, intermediate treatment, and disposal facilities of plastic wastes and collected information on how the plastics and additives were treated and disposed in those stages. Lastly, as a case study, we took phosphate flame retardants (PFRs) which are alternatives to brominated flame retardants. We studied their exposure and health risk to human in car cabin because a lot of plastics containing PFRs are used in cars. Our results indicated that current risk of PFR exposure through air and dust to human was negligible but we should be cautious as use of PFRs is increasing and PFRs may transform into more toxic chemicals.

Free Research Field

環境リスク管理