<p style="text-indent:32px"><span style=";font-family:宋体;font-size:16px"><span style="font-family:宋体">燕罗街道燕川片区土地整备利益统筹项目</span><span style="font-family:Times New Roman">05-13</span><span style="font-family:宋体">地块位于深圳市宝安区燕罗街道环胜大道东侧</span></span><span style=";font-family:宋体;font-size:16px">，</span><span style=";font-family:'Times New Roman';font-size:16px"><span style="font-family:宋体">中心坐标为</span>E 113.867536°<span style="font-family:宋体">、</span><span style="font-family:Times New Roman">N 22.796796°</span><span style="font-family:宋体">，地块调查范围面积为</span><span style="font-family:Times New Roman">24873.33</span></span><span style=";font-family:宋体;font-size:16px"> </span><span style=";font-family:宋体;font-size:16px"><span style="font-family:Times New Roman">m</span></span>^{<span style=";font-family:宋体;font-size:16px;vertical-align:super"><span style="font-family:Times New Roman">2</span></span>}<span style=";font-family:宋体;font-size:16px">。</span><span style=";font-family:宋体;font-size:16px">场地现状为空地</span><span style=";font-family:宋体;font-size:16px">，地块规划为二类居住用地</span><span style=";font-family:宋体;font-size:16px">（</span><span style=";font-family:宋体;font-size:16px"><span style="font-family:Times New Roman">R2</span></span><span style=";font-family:宋体;font-size:16px">）。</span></p><p style="text-indent:32px"><span style=";font-family:宋体;font-size:16px"><span style="font-family:宋体">通过对本地块内及周边</span><span style="font-family:Times New Roman">50m </span><span style="font-family:宋体">范围企业的调查可知，入驻企业不涉及重点行业企业。根据企业生产及污染物排放情况识别出的特征污染物有：铜、镍、锡、苯、甲苯、二甲苯、苯乙烯、氰化物、石油烃、邻苯二甲酸酯类。</span></span></p><p style="text-indent:32px"><span style=";font-family:宋体;font-size:16px"><span style="font-family:宋体">根据场地污染识别结果，本次调查采用专业判断法和分区布点法，在初步调查阶段于调查范围内共设置</span><span style="font-family:Times New Roman">9</span><span style="font-family:宋体">个土壤调查点，采集土壤样品</span></span><span style=";font-family:宋体;font-size:16px"><span style="font-family:Times New Roman">51</span></span><span style=";font-family:宋体;font-size:16px"><span style="font-family:宋体">份（含平行样</span><span style="font-family:Times New Roman">6</span><span style="font-family:宋体">份）：设置地下水监测井</span></span><span style=";font-family:宋体;font-size:16px"><span style="font-family:Times New Roman">4</span></span><span style=";font-family:宋体;font-size:16px">口，采集地下水样品</span><span style=";font-family:宋体;font-size:16px"><span style="font-family:Times New Roman">5</span></span><span style=";font-family:宋体;font-size:16px"><span style="font-family:宋体">份（含平行样</span><span style="font-family:Times New Roman">1</span><span style="font-family:宋体">份），对地块内的土壤和地下水样品检测指标选择《深圳市建设用地土壤污染风险管控和修复（</span><span style="font-family:Times New Roman">2024</span><span style="font-family:宋体">年版）》附件</span><span style="font-family:Times New Roman">5</span><span style="font-family:宋体">和附件</span><span style="font-family:Times New Roman">6</span><span style="font-family:宋体">“其他行业”</span></span><span style=";font-family:宋体;font-size:16px"><span style="font-family:宋体">和</span><span style="font-family:宋体">“计算机、通信和其他电子设备制造业”</span></span><span style=";font-family:宋体;font-size:16px"><span style="font-family:宋体">必测项目，所有点位样品均加测石油烃（</span><span style="font-family:Times New Roman">C</span></span>_{<span style=";font-family:宋体;font-size:16px;vertical-align:sub"><span style="font-family:Times New Roman">10</span></span>}<span style=";font-family:宋体;font-size:16px"><span style="font-family:Times New Roman">-C</span></span>_{<span style=";font-family:宋体;font-size:16px;vertical-align:sub"><span style="font-family:Times New Roman">40</span></span>}<span style=";font-family:宋体;font-size:16px">），并对部分点位加测</span><span style=";font-family:宋体;font-size:16px">锡、氰化物（</span><span style=";font-family:'Times New Roman';font-size:16px">S1</span><span style=";font-family:宋体;font-size:16px"><span style="font-family:Times New Roman">/</span></span><span style=";font-family:宋体;font-size:16px"><span style="font-family:Times New Roman">W</span></span><span style=";font-family:宋体;font-size:16px"><span style="font-family:Times New Roman">1</span></span><span style=";font-family:'Times New Roman';font-size:16px"><span style="font-family:宋体">、</span>S2<span style="font-family:宋体">、</span><span style="font-family:Times New Roman">S3</span><span style="font-family:宋体">、</span><span style="font-family:Times New Roman">S4</span></span><span style=";font-family:宋体;font-size:16px"><span style="font-family:Times New Roman">/</span></span><span style=";font-family:宋体;font-size:16px"><span style="font-family:Times New Roman">W</span></span><span style=";font-family:宋体;font-size:16px"><span style="font-family:Times New Roman">4</span><span style="font-family:宋体">）和</span></span><span style=";font-family:宋体;font-size:16px">邻苯二甲酸酯类（</span><span style=";font-family:宋体;font-size:16px"><span style="font-family:Times New Roman">S1/</span></span><span style=";font-family:宋体;font-size:16px"><span style="font-family:Times New Roman">W</span></span><span style=";font-family:宋体;font-size:16px"><span style="font-family:Times New Roman">1</span><span style="font-family:宋体">、</span><span style="font-family:Times New Roman">S2</span><span style="font-family:宋体">、</span></span><span style=";font-family:宋体;font-size:16px"><span style="font-family:Times New Roman">S3</span><span style="font-family:宋体">、</span><span style="font-family:Times New Roman">S4/W4</span><span style="font-family:宋体">、</span><span style="font-family:Times New Roman">S5</span></span><span style=";font-family:宋体;font-size:16px"><span style="font-family:Times New Roman">/</span></span><span style=";font-family:宋体;font-size:16px"><span style="font-family:Times New Roman">W</span></span><span style=";font-family:宋体;font-size:16px"><span style="font-family:Times New Roman">5</span></span><span style=";font-family:宋体;font-size:16px">）。</span></p><p style="text-indent:32px"><span style=";font-family:宋体;font-size:16px">在土壤初步调查检测数据结果中</span><span style=";font-family:宋体;font-size:16px">，</span><span style=";font-family:宋体;font-size:16px"><span style="font-family:Times New Roman">S1</span></span><span style=";font-family:宋体;font-size:16px">点位</span><span style=";font-family:宋体;font-size:16px">（</span><span style=";font-family:宋体;font-size:16px"><span style="font-family:Times New Roman">6.5-7.0 m</span></span><span style=";font-family:宋体;font-size:16px">）</span><span style=";font-family:宋体;font-size:16px">土壤样品中</span><span style=";font-family:宋体;font-size:16px">砷</span><span style=";font-family:宋体;font-size:16px">含量数据异常</span><span style=";font-family:宋体;font-size:16px">（</span><span style=";font-family:宋体;font-size:16px"><span style="font-family:Times New Roman">65</span></span><span style=";font-family:宋体;font-size:16px"><span style="font-family:Times New Roman">mg</span></span><span style=";font-family:宋体;font-size:16px"><span style="font-family:Times New Roman">/</span></span><span style=";font-family:宋体;font-size:16px"><span style="font-family:Times New Roman">kg</span></span><span style=";font-family:宋体;font-size:16px">），</span><span style=";font-family:宋体;font-size:16px"><span style="font-family:宋体">超过相应风险筛选值，超标率分别为</span><span style="font-family:Times New Roman">17.97%</span><span style="font-family:宋体">。其余样品指标均不超过相应风险筛选值。</span></span><span style=";font-family:宋体;font-size:16px"><span style="font-family:宋体">参考《广东省建设用地土壤污染状况调查、风险评估及效果评估报告技术审查要点（修订版）》文件中的技术方法，首先在疑似异常点周边按照</span><span style="font-family:Times New Roman">20</span><span style="font-family:宋体">×</span><span style="font-family:Times New Roman">20m</span><span style="font-family:宋体">的网格划定采样单元，共布设</span><span style="font-family:Times New Roman">4</span><span style="font-family:宋体">个采样点位，共采集了</span><span style="font-family:Times New Roman">27</span><span style="font-family:宋体">个土壤样品，对超标点位</span><span style="font-family:Times New Roman">S</span></span><span style=";font-family:宋体;font-size:16px"><span style="font-family:Times New Roman">1</span></span><span style=";font-family:宋体;font-size:16px"><span style="font-family:宋体">的超标污染物进行检测，确定了超标点位周边无超标情况的存在；然后在疑似异常点位附近</span><span style="font-family:Times New Roman">0.5m</span><span style="font-family:宋体">及四个垂直轴向上</span><span style="font-family:Times New Roman">5m</span><span style="font-family:宋体">范围内共布设</span><span style="font-family:Times New Roman">5</span><span style="font-family:宋体">个采样点，对疑似异常的超标污染物进行检测，每个采样点位采集</span></span><span style=";font-family:宋体;font-size:16px"><span style="font-family:Times New Roman">5</span></span><span style=";font-family:宋体;font-size:16px">个土壤样品，共采集</span><span style=";font-family:宋体;font-size:16px"><span style="font-family:Times New Roman">28</span></span><span style=";font-family:宋体;font-size:16px">个土样进行检测，检测结果各样品均未超</span><span style=";font-family:宋体;font-size:16px"><span style="font-family:宋体">深圳市《土壤环境背景值》（</span><span style="font-family:Times New Roman">DB4403/T68-2020</span><span style="font-family:宋体">）赤红壤背景值</span></span><span style=";font-family:宋体;font-size:16px">，剔除了异常值。</span></p><p style="text-indent:32px"><span style=";font-family:宋体;font-size:16px">通过本次调查和异常点排查后，土壤检测结果均满足</span><span style=";font-family:宋体;font-size:16px">相应筛选值。</span></p><p style="text-indent:32px"><span style=";font-family:宋体;font-size:16px">在</span><span style=";font-family:宋体;font-size:16px">地下水</span><span style=";font-family:宋体;font-size:16px">初步调查检测数据结果中</span><span style=";font-family:宋体;font-size:16px">，</span><span style=";font-family:宋体;font-size:16px"><span style="font-family:Times New Roman">5</span><span style="font-family:宋体">项指标有检出，</span></span><span style=";font-family:宋体;font-size:16px">锌</span><span style=";font-family:宋体;font-size:16px"><span style="font-family:宋体">、镍的检出率均为</span><span style="font-family:Times New Roman">100%</span><span style="font-family:宋体">，</span></span><span style=";font-family:宋体;font-size:16px">砷</span><span style=";font-family:宋体;font-size:16px">的检出率均为</span><span style=";font-family:宋体;font-size:16px"><span style="font-family:Times New Roman">80</span></span><span style=";font-family:宋体;font-size:16px"><span style="font-family:Times New Roman">%</span><span style="font-family:宋体">，铅的检出率均为</span></span><span style=";font-family:宋体;font-size:16px"><span style="font-family:Times New Roman">40</span></span><span style=";font-family:宋体;font-size:16px"><span style="font-family:Times New Roman">%</span><span style="font-family:宋体">，</span></span><span style=";font-family:宋体;font-size:16px">铜</span><span style=";font-family:宋体;font-size:16px">的检出率均为</span><span style=";font-family:宋体;font-size:16px"><span style="font-family:Times New Roman">60</span></span><span style=";font-family:宋体;font-size:16px"><span style="font-family:Times New Roman">%</span></span><span style=";font-family:宋体;font-size:16px">，</span><span style=";font-family:宋体;font-size:16px"><span style="font-family:Times New Roman">2</span></span><span style=";font-family:宋体;font-size:16px">项半挥发性有机物指标</span><span style=";font-family:宋体;font-size:16px">（</span><span style=";font-family:宋体;font-size:16px">邻苯二甲酸二甲酯、</span><span style=";font-family:宋体;font-size:16px">邻苯二甲酸二</span><span style=";font-family:宋体;font-size:16px">（</span><span style=";font-family:宋体;font-size:16px"><span style="font-family:Times New Roman">2-</span><span style="font-family:宋体">乙基已基</span></span><span style=";font-family:宋体;font-size:16px">）</span><span style=";font-family:宋体;font-size:16px">酯</span><span style=";font-family:宋体;font-size:16px">）</span><span style=";font-family:宋体;font-size:16px">的检出率</span><span style=";font-family:宋体;font-size:16px">均</span><span style=";font-family:宋体;font-size:16px"><span style="font-family:宋体">为</span><span style="font-family:Times New Roman">100%</span><span style="font-family:宋体">，</span></span><span style=";font-family:宋体;font-size:16px">可萃取性</span><span style=";font-family:宋体;font-size:16px">石油烃</span><span style=";font-family:宋体;font-size:16px">（</span><span style=";font-family:宋体;font-size:16px"><span style="font-family:Times New Roman">C</span></span>_{<span style=";font-family:宋体;font-size:16px;vertical-align:sub"><span style="font-family:Times New Roman">10</span></span>}<span style=";font-family:宋体;font-size:16px"><span style="font-family:Times New Roman">-C</span></span>_{<span style=";font-family:宋体;font-size:16px;vertical-align:sub"><span style="font-family:Times New Roman">40</span></span>}<span style=";font-family:宋体;font-size:16px">）</span><span style=";font-family:宋体;font-size:16px"><span style="font-family:宋体">检出率为</span><span style="font-family:Times New Roman">100%</span></span><span style=";font-family:宋体;font-size:16px">，</span><span style=";font-family:宋体;font-size:16px">以上各指标</span><span style=";font-family:宋体;font-size:16px">均不超过筛选值。</span></p><p style="text-indent:32px"><span style=";font-family:'Times New Roman';font-size:16px"><span style="font-family:宋体">综上，根据样品检测结果表明，</span></span><span style=";font-family:宋体;font-size:16px">本次初步调查剔除异常值后，采集的土壤、地下水样品的各项检测指标均符合相关筛选值限值要求，地块的土壤环境状况可以接受，该地块无需纳入污染地块管理，无需开展土壤污染状况详细调查和风险评估。</span></p><p><br/></p>