2024.02.09-湖南省《典型工业园区重金属污染土壤风险评估技 规范》DB43_T 2848-2023

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ICS 91.100.60 CCS Q 25 43 湖 南 省 地 方标准 DB43/T 2848—2023 典型工业园区重金属污染土壤 风险评估技术规范 Technical specifications for risk assessment of heavy metal contaminated soil in typical industrial parks 2023-11- 09发布 2024-02- 09实施 湖南省市场监督管理局 发 布 DB43/T 2848—2023 目 次 前言 ························································································································ Ⅲ 1 范围 ·····················································································································1 2 规范性引用文件 ······································································································1 3 术语和定义 ············································································································1 4 风险评估要求 ·········································································································2 4.1 典型工业园区重金属污染识别 ··············································································3 4.2 分级分类评估 ···································································································3 4.3 风险评估的适应性 ·····························································································3 5 风险评估技术流程 ···································································································3 6 重金属污染风险识别 ································································································4 6.1 识别的一般要求 ································································································4 6.2 环境调查与资料收集 ··························································································4 6.3 风险识别 ·········································································································4 7 暴露评估 ···············································································································4 7.1 一般规定 ·········································································································4 7.2 化学风险评估 ···································································································4 7.3 生物累积风险评价 ·····························································································7 8 效应评价 ···············································································································8 8.1 总体要求 ·········································································································8 8.2 生态毒理学风险评价 ··························································································9 8.3 土壤生态系统风险评价 ····················································································· 10 9 综合性生态风险表征 ······························································································ 11 9.1 总体规定 ······································································································· 11 9.2 综合生态风险指数 ··························································································· 11 9.3 综合生态风险评价 ··························································································· 12 10 重金属风险管控 ·································································································· 13 10.1 异位管控技术 ······························································································· 13 10.2 原位管控技术 ······························································································· 13 10.3 风险评估制度控制 ························································································· 14 附录 A（资料性） 不同土地利用方式的土壤污染生态受体、评价终点和测定终点 ·················· 15 I