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重庆嘉陵工业股份有限公司原址局部场地环境调查与风险评估报告(报批版)

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重庆嘉陵工业股份有限公司原址局部场地环境调查与风险评估报告(报批版)

重庆嘉陵工业股份有限公司原址局部场地环境调查与风险评估报告(报批版)

目 录
摘 要..............................................................................................................................1
1 概述............................................................................................................................4
1.1 任务来源.............................................................................................................4
1.2 调查依据.............................................................................................................6
1.3 工作目的.............................................................................................................8
1.4 主要工作内容及重点.........................................................................................9
1.5 评估范围及时段...............................................................................................10
1.6 技术路线........................................................................................................... 11
1.7 场地利用的规划...............................................................................................19
1.8 评价标准...........................................................................................................19
2 场地概况..................................................................................................................25
2.1 区域环境概况...................................................................................................25
2.2 场地的历史和现状...........................................................................................32
2.3 相邻场地的历史和现状...................................................................................53
2.4 场地周边敏感目标...........................................................................................53
3 资料分析..................................................................................................................55
3.1 场地相关资料的来源和收集方式...................................................................55
3.2 原辅材料分析...................................................................................................57
3.3 产污原因以及环境因素分析...........................................................................64
4 现场踏勘和人员访谈..............................................................................................66
4.1 现场踏勘...........................................................................................................66
4.2 人员访谈...........................................................................................................72
5 场地环境状况判断..................................................................................................74
5.1 场地总体环境描述...........................................................................................74
5.2 土壤、地表水和地下水污染识别...................................................................75
5.3 场地固体废物识别...........................................................................................77
6 场地采样调查..........................................................................................................79
II
6.1 土壤监测布点方案...........................................................................................79
6.2 积水监测方案.................................................................................................105
6.3 建(构)筑物/堆土监测方案........................................................................106
6.4 样品采集.........................................................................................................107
6.5 监测方案调整.................................................................................................108
6.6 样品流转及分析检测.....................................................................................109
6.7 监测结果......................................................................................................... 118
7 人体健康风险评估................................................................................................173
7.1 风险评估工作流程.........................................................................................173
7.2 场地概念模型及分析.....................................................................................174
7.3 风险评估模型参数确定.................................................................................175
7.4 毒性评估.........................................................................................................177
7.5 风险计算与评价.............................................................................................177
7.6 修复目标值确定.............................................................................................183
8 修复范围................................................................................................................185
8.1 修复范围确定方法及原则.............................................................................185
8.2 修复范围计算原理.........................................................................................185
8.3 修复范围及土方量估算.................................................................................186
8.4 评估方量变化说明.........................................................................................226
9 场地修复治理建议方案........................................................................................230
9.1 建议场地修复技术方案的原则.....................................................................230
9.2 场地修复技术建议.........................................................................................230
10 结论和建议..........................................................................................................250
10.1 结论...............................................................................................................250
10.2 不确定性分析...............................................................................................253
10.3 建议...............................................................................................................254
11 附图...................................................................................................................... 256
12 附件......................................................................................................................256

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