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According to REACH (Registration, Evaluation, Authorisation and Restriction of Chemicals) legislation, a chemical safety assessment (CSA) "has to be performed by registrants for substances manufactured and imported in quantities starting at 10 tonnes per year and by downstream users if their uses are not addressed by their supplier."〔(【引用サイトリンク】title=Chemical Safety Assessment and Report )〕 The CSA includes the evaluation of all available relevant information in order to assess risks arising from the manufacture and/or use of a substance. The process needs to be documented adequately and the results have to be documented in a Chemical Safety Report (CSR), which is to be submitted to the European Chemicals Agency as part of the respective registration dossier. The purpose is to ensure that the risks related to the substance are controlled. The chemical safety assessment of a substance comprises the following steps:〔(【引用サイトリンク】title=Chemical safety report – chemical safety assessment )〕 *Assessment of the human health hazard *Human health hazard assessment of physicochemical properties *Assessment of the environmental hazard *Persistent, bioaccumulative and toxic (PBT) and very persistent and very bioaccumulative (vPvB) assessment The European Chemicals Agency (ECHA) has developed a software tool to support industry in preparing a Chemical Safety Assessment (CSA) and Chemical Safety Report (CSR). Chesar Beta version can be downloaded from the (Chesar website ). 〔(【引用サイトリンク】title=Chesar website )〕 ==Chemical Safety Report== Chemical Safety Reports are the main end point for data assessment under REACH (the European Community Regulation on chemicals and their safe use, concerning the Registration, Evaluation, Authorisation and Restriction of Chemical substances〔(【引用サイトリンク】title=REACH )〕) in which hazard and exposure data are considered together to assess the risk of a substance.〔(【引用サイトリンク】title=Risk Assessment of Chemicals )〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Chemical safety assessment」の詳細全文を読む スポンサード リンク
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