前言:这是CSA IEC 31010《风险管理-风险评估技术》的第二版，未经修改就采用了同名的IEC（国际电工委员会）标准IEC 31010（第二版，2019-06）。它取代了2010年发布的前一版CAN/CSA-IEC/ISO 31010（采用IEC/ISO 31010:2009）。本标准的制定符合加拿大标准委员会对加拿大国家标准的要求。CSA集团已将其作为加拿大国家标准发布。范围:本国际标准为各种情况下风险评估技术的选择和应用提供指导。这些技术用于在存在不确定性的情况下协助决策，提供有关特定风险的信息，并作为风险管理流程的一部分。本文件概述了一系列技术，并参考了其他文件，其中对这些技术进行了更详细的描述。

Preface:This is the second edition of CSA IEC 31010,Risk management — Risk assessment techniques, which is an adoption without modification of the identically titled IEC (International Electrotechnical Commission) Standard IEC 31010 (second edition, 2019-06). It supersedes the previous edition, published in 2010 as CAN/CSA-IEC/ISO 31010 (adopted IEC/ISO 31010:2009).This Standard has been developed in compliance with Standards Council of Canada requirements for National Standards of Canada. It has been published as a National Standard of Canada by CSA Group.Scope:This International Standard provides guidance on the selection and application of techniques for assessing risk in a wide range of situations. The techniques are used to assist in making decisions where there is uncertainty, to provide information about particular risks and as part of a process for managing risk. The document provides summaries of a range of techniques, with references to other documents where the techniques are described in more detail.