<p><span style=";font-family:'Times New Roman';font-size:19px">1.</span><span style=";font-family:'Times New Roman';font-size:19px"><span style="font-family:仿宋">榆次区</span>2022<span style="font-family:仿宋">年第</span><span style="font-family:Times New Roman">11</span><span style="font-family:仿宋">批次</span><span style="font-family:Times New Roman">1</span><span style="font-family:仿宋">号区块（</span><span style="font-family:Times New Roman">67.26</span><span style="font-family:仿宋">亩）</span></span><span style=";font-family:'Times New Roman';font-size:19px"><span style="font-family:仿宋">位于山西省</span></span><span style=";font-family:仿宋;font-size:19px">晋中市榆次区</span><span style=";font-family:仿宋;font-size:19px">鸣谦大街以南、新建北路以东</span><span style=";font-family:'Times New Roman';font-size:19px"><span style="font-family:仿宋">，</span></span><span style=";font-family:仿宋;font-size:19px">北至晋中市国土资源局乌金山国土资源所、榆次区税务局、居民房、农田、东至农田与荒地、南至荒地与涧河堤坝、西至新建北路</span><span style=";font-family:'Times New Roman';font-size:19px"><span style="font-family:仿宋">，</span></span><span style=";font-family:仿宋;font-size:19px">占地面积</span><span style=";font-family:'Times New Roman';font-size:19px">44841.96</span><span style=";font-family:'Times New Roman';font-size:19px"><span style="font-family:仿宋">平方米，合</span></span><span style=";font-family:'Times New Roman';font-size:19px">67.26</span><span style=";font-family:'Times New Roman';font-size:19px"><span style="font-family:仿宋">亩</span></span><span style=";font-family:仿宋;font-size:19px">，</span><span style=";font-family:'Times New Roman';font-size:19px"><span style="font-family:仿宋">原用途为农用地</span></span><span style=";font-family:仿宋;font-size:19px">（</span><span style=";font-family:'Times New Roman';font-size:19px"><span style="font-family:仿宋">水浇地</span></span><span style=";font-family:仿宋;font-size:19px">、</span><span style=";font-family:'Times New Roman';font-size:19px"><span style="font-family:仿宋">果园</span></span><span style=";font-family:仿宋;font-size:19px">、</span><span style=";font-family:'Times New Roman';font-size:19px"><span style="font-family:仿宋">其他林地</span></span><span style=";font-family:仿宋;font-size:19px">、</span><span style=";font-family:'Times New Roman';font-size:19px"><span style="font-family:仿宋">农村道路</span></span><span style=";font-family:仿宋;font-size:19px">、</span><span style=";font-family:'Times New Roman';font-size:19px"><span style="font-family:仿宋">沟渠</span></span><span style=";font-family:仿宋;font-size:19px">、</span><span style=";font-family:'Times New Roman';font-size:19px"><span style="font-family:仿宋">田坎</span></span><span style=";font-family:仿宋;font-size:19px">）、未利用地</span><span style=";font-family:'Times New Roman';font-size:19px"><span style="font-family:仿宋">，根据</span></span><span style=";font-family:仿宋;font-size:19px">《</span><span style=";font-family:'Times New Roman';font-size:19px"><span style="font-family:仿宋">晋中市生态环境局关于榆次区乌金山镇流村集体土地</span>4.4842<span style="font-family:仿宋">公顷等</span><span style="font-family:Times New Roman">4</span><span style="font-family:仿宋">个地块土壤环境状况核实结果的复函</span></span><span style=";font-family:仿宋;font-size:19px">》</span><span style=";font-family:'Times New Roman';font-size:19px"><span style="font-family:仿宋">，其土地用途变更为</span></span><span style=";font-family:'Times New Roman';font-size:19px"><span style="font-family:仿宋">居住用地</span></span><span style=";font-family:仿宋;font-size:19px">。</span></p><p><span style=";font-family:'Times New Roman';font-size:19px">2.</span><span style=";font-family:'Times New Roman';font-size:19px"><span style="font-family:仿宋">根据本调查地块内的现状、历史用途以及周边企业的影响本次土壤监测共布设点位</span></span><span style=";font-family:仿宋;font-size:19px"><span style="font-family:Times New Roman">10</span></span><span style=";font-family:'Times New Roman';font-size:19px"><span style="font-family:仿宋">个，其中地块内布设</span></span><span style=";font-family:仿宋;font-size:19px"><span style="font-family:Times New Roman">9</span></span><span style=";font-family:'Times New Roman';font-size:19px"><span style="font-family:仿宋">个采样点位，</span>1<span style="font-family:仿宋">个场外土壤对照点，最小采样深度为</span></span><span style=";font-family:仿宋;font-size:19px"><span style="font-family:Times New Roman">0.5</span></span><span style=";font-family:'Times New Roman';font-size:19px">m<span style="font-family:仿宋">，最大采样深度为</span></span><span style=";font-family:仿宋;font-size:19px"><span style="font-family:Times New Roman">7.0</span></span><span style=";font-family:'Times New Roman';font-size:19px">m<span style="font-family:仿宋">；本次调查共采集土壤样品</span></span><span style=";font-family:仿宋;font-size:19px"><span style="font-family:Times New Roman">19</span></span><span style=";font-family:'Times New Roman';font-size:19px"><span style="font-family:仿宋">组（包含现场平行样品</span></span><span style=";font-family:仿宋;font-size:19px"><span style="font-family:Times New Roman">2</span></span><span style=";font-family:'Times New Roman';font-size:19px"><span style="font-family:仿宋">组，场外对照样品</span>1<span style="font-family:仿宋">组），地下水样品</span></span><span style=";font-family:仿宋;font-size:19px"><span style="font-family:Times New Roman">4</span></span><span style=";font-family:'Times New Roman';font-size:19px"><span style="font-family:仿宋">组（包含现场平行样品</span>1<span style="font-family:仿宋">组）；采集的土壤和地下水样品由</span></span><span style=";font-family:'Times New Roman';font-size:19px"><span style="font-family:仿宋">石家庄斯坦德优检测技术有限公司</span></span><span style=";font-family:'Times New Roman';font-size:19px"><span style="font-family:仿宋">按照资质中规定的检测方法开展相应样品的检测工作。</span></span></p><p><span style=";font-family:'Times New Roman';font-size:19px">3.</span><span style=";font-family:'Times New Roman';font-size:19px"><span style="font-family:仿宋">根据所有土壤检测项目的检测结果分析，</span></span><span style=";font-family:仿宋;font-size:19px">所有检测指标</span><span style=";font-family:'Times New Roman';font-size:19px"><span style="font-family:仿宋">均低于《土壤环境质量建设用地土壤污染风险管控标准（试行）》表</span>1<span style="font-family:仿宋">，</span><span style="font-family:Times New Roman">2</span><span style="font-family:仿宋">中第</span></span><span style=";font-family:仿宋;font-size:19px">一</span><span style=";font-family:'Times New Roman';font-size:19px"><span style="font-family:仿宋">类用地筛选值的要求</span></span><span style=";font-family:仿宋;font-size:19px">。</span></p><p style=";text-autospace:ideograph-numeric;line-height:150%"><span style=";font-family:'Times New Roman';font-size:19px">4.</span><span style=";font-family:'Times New Roman';line-height:150%;font-size:19px"><span style="font-family:仿宋">根据所有地下水检测项目的检测结果分析，</span></span><span style=";font-family:仿宋;line-height:150%;font-size:19px">除</span><span style=";font-family:'Times New Roman';font-size:19px"><span style="font-family:仿宋">总硬度</span></span><span style=";font-family:'Times New Roman';font-size:19px"><span style="font-family:仿宋">、硫酸盐</span></span><span style=";font-family:仿宋;font-size:19px">外，其他检出指标均未超出</span><span style=";font-family:'Times New Roman';line-height:150%;font-size:19px"><span style="font-family:仿宋">《地下水质量标准》</span><span style="font-family:Times New Roman">Ⅳ</span><span style="font-family:仿宋">类用水标准</span></span><span style=";font-family:仿宋;line-height:150%;font-size:19px">。</span><span style=";font-family:仿宋;line-height:150%;font-size:19px">总硬度超标点位位于调查地块东侧，可能原因是</span><span style=";font-family:'Times New Roman';line-height:150%;font-size:19px"><span style="font-family:仿宋">背景值高</span></span><span style=";font-family:仿宋;line-height:150%;font-size:19px">，周边</span><span style=";font-family:'Times New Roman';line-height:150%;font-size:19px"><span style="font-family:仿宋">地表中很多酸碱盐类等物质被带进土壤层，经过化合分解、离子交换与离子效应等化学作用，把土壤中的钙镁物质溶解或置换出来，造成地下水硬度高。同时由于</span></span><span style=";font-family:仿宋;line-height:150%;font-size:19px">地下</span><span style=";font-family:'Times New Roman';line-height:150%;font-size:19px"><span style="font-family:仿宋">水中可能含有大量的有机物质，在生物降解过程中会产生较多的二氧化碳，打破原来地下水中二氧化碳的平衡，促使碳酸钙的溶解，也会使地下水硬度升高</span></span><span style=";font-family:仿宋;line-height:150%;font-size:19px">；</span><span style=";font-family:'Times New Roman';font-size:19px"><span style="font-family:仿宋">硫酸盐</span></span><span style=";font-family:仿宋;font-size:19px">超标可能受</span><span style=";font-family:仿宋;font-size:19px">农业</span><span style=";font-family:仿宋;line-height:150%;font-size:19px">化肥</span><span style=";font-family:'Times New Roman';line-height:150%;font-size:19px"><span style="font-family:仿宋">使用残留</span></span><span style=";font-family:仿宋;font-size:19px">的影响。大量使用的化肥中，硫酸铵和硫酸钠在微生物的作用下发生分解，产生的硫酸会进一步与土壤中的矿物质发生反应，其中的硫酸根离子会随着降雨入渗等过程进入地下水系统。</span></p><p><span style=";font-family:'Times New Roman';font-size:19px">5.<span style="font-family:仿宋">风险筛选结果表明，该调查地块符合未来规划</span></span><span style=";font-family:仿宋;font-size:19px">城镇住宅</span><span style=";font-family:'Times New Roman';font-size:19px"><span style="font-family:仿宋">用地</span></span><span style=";font-family:'Times New Roman';font-size:19px"><span style="font-family:仿宋">的土壤环境质量条件和要求，</span></span><span style=";font-family:'Times New Roman';font-size:19px"><span style="font-family:仿宋">且无需开展详细调查</span></span><span style=";font-family:仿宋;font-size:19px">。</span></p><p><br/></p>