ICS13.020 CCSZ01DB61 陕西省地方标准 DB61/T1740—2023 尾矿库环境风险分级技术指南 Technicalguideforenvironmentalriskclassificationoftailingsreservoir 2023-11-14发布 2023-12-14实施 陕西省市场监督管理局发布 DB61/T1740—2023 I目  次 前  言.............................................................................................................................................................II 1范围.................................................................................................................................................................1 2规范性引用文件.............................................................................................................................................1 3术语和定义.....................................................................................................................................................1 4总体原则.........................................................................................................................................................2 5工作程序.........................................................................................................................................................3 6工作准备.........................................................................................................................................................4 7尾矿库环境风险等级划分.............................................................................................................................4 8尾矿库环境风险分析与报告编制.................................................................................................................8 附录A（规范性）尾矿库环境危害性指标评分表.....................................................................................10 附录B（规范性）综合污染指数计算方法.................................................................................................12 附录C（规范性）尾矿库周边环境敏感性指标评分表.............................................................................13 附录D（规范性）在用尾矿库控制机制可靠性指标评分表.....................................................................16 附录E（规范性）停用（含废弃）尾矿库控制机制可靠性指标评分表.................................................20 附录F（规范性）闭库尾矿库控制机制可靠性指标评分表.....................................................................23 附录G（资料性）尾矿库环境风险分级报告编制大纲.............................................................................25 附录H（资料性）陕西省环境敏感区域参考.............................................................................................26 参 考 文 献.................................................................................................................................................27