地下水污染健康风险评估工作指南.pdf

地下水污染健康风险评估工作指南2019年9月目次第一章总则............................................................11.1编制目的...........................................................11.2适用范围...........................................................11.3编制依据...........................................................11.4术语与定义.........................................................21.5指导原则...........................................................31.6组织编制单位.......................................................3第二章工作内容和流程....................................................52.1工作内容...........................................................52.2工作流程...........................................................7第三章风险评估准备......................................................93.1明确启动条件.......................................................93.2基础资料审核......................................................103.3关注污染物识别....................................................103.4污染区域分析......................................................113.5暴露人群..........................................................11第四章危害识别技术要求.................................................124.1收集相关资料......................................................124.2确定关注污染物....................................................12第五章暴露评估技术要求.................................................135.1分析暴露情景......................................................135.2确定暴露途径......................................................145.3计算第一类用地暴露量..............................................145.4计算第二类用地暴露量..............................................15第六章毒性评估技术要求.................................................166.1分析污染物毒性效应................................................166.2确定污染物相关参数................................................16i第七章风险表征技术要求.................................................187.1风险表征技术要求..................................................187.2计算地下水污染风险................................................187.3风险不确定性分析..................................