<p style="margin-left:0;text-indent:28px;text-autospace:ideograph-numeric;text-align:justify;text-justify:inter-ideograph"><span style=";font-family:'Times New Roman';letter-spacing:0;font-size:14px"><span style="font-family:宋体">本次调查地块位于庆阳市正宁县榆林子镇下沟一组，地块占地总面积为</span></span><span style=";font-family:'Times New Roman';letter-spacing:0;font-size:14px">7026.67m</span>^{<span style=";font-family:'Times New Roman';letter-spacing:0;font-size:14px;vertical-align:super">2</span>}<span style=";font-family:'Times New Roman';letter-spacing:0;font-size:14px"><span style="font-family:宋体">，</span></span><span style=";font-family:'Times New Roman';letter-spacing:0;font-size:14px"><span style="font-family:宋体">东至巷道，</span></span><span style=";font-family:'Times New Roman';letter-spacing:0;font-size:14px"><span style="font-family:宋体">巷道以东为居民和空地</span></span><span style=";font-family:'Times New Roman';letter-spacing:0;font-size:14px"><span style="font-family:宋体">，西至耕地，南至耕地，北至正宁县果珍果业有限公司</span></span><span style=";font-family:'Times New Roman';letter-spacing:0;font-size:14px"><span style="font-family:宋体">。本次调查资料收集途径主要有地图浏览历史影像、政府网站、地块内及周边地块现场踏勘、人员访谈、现场取样检测等。其中，主要浏览的地图历史影像有奥维地图、</span>91<span style="font-family:宋体">卫图和北斗地图；主要网站是正宁县人民政府网站、庆阳市生态环境局官网、全国建设项目环境信息公示平台全国排污许可证管理信息平台和国家土壤信息服务平台等；对本次调查的地块内及周边地块现状及历史情况进行了全面的调查，主要包括污染源调查、基础设施调查等；人员访谈主要针对政府机关（庆阳市生态环境主管部门、庆阳市自然资源主管部门、正宁县住建局和榆林子镇人民政府），榆林子镇西街幼儿园（星辰幼儿园）工作人员、周边居民等多角度进行了</span><span style="font-family:Times New Roman">21</span><span style="font-family:宋体">份问卷调查，得出如下结论：</span></span></p><p style="margin-left:0;text-indent:28px;text-autospace:ideograph-numeric;text-align:justify;text-justify:inter-ideograph"><span style=";font-family:'Times New Roman';letter-spacing:0;font-size:14px"><span style="font-family:宋体">榆林子镇西街幼儿园（星辰幼儿园）建设项目土地用途为公共管理与公共服务用地，</span></span><span style=";font-family:'Times New Roman';font-size:14px"><span style="font-family:宋体">本地块直至</span>2020<span style="font-family:宋体">年建设</span></span><span style=";font-family:'Times New Roman';letter-spacing:0;font-size:14px"><span style="font-family:宋体">榆林子镇西街幼儿园（星辰幼儿园）</span></span><span style=";font-family:'Times New Roman';font-size:14px"><span style="font-family:宋体">前，历史上地块主要为当地村民进行农作物种植，</span></span><span style=";font-family:'Times New Roman';font-size:14px"><span style="font-family:宋体">场地范围内未发现</span><span style="font-family:Times New Roman">“</span><span style="font-family:宋体">空洞</span><span style="font-family:Times New Roman">”</span><span style="font-family:宋体">、</span><span style="font-family:Times New Roman">“</span><span style="font-family:宋体">墓穴</span><span style="font-family:Times New Roman">”</span><span style="font-family:宋体">、</span><span style="font-family:Times New Roman">“</span><span style="font-family:宋体">管道管线</span><span style="font-family:Times New Roman">”</span><span style="font-family:宋体">等不利埋藏物</span></span><span style=";font-family:'Times New Roman';letter-spacing:0;font-size:14px"><span style="font-family:宋体">且并未在地块内开展过工业活动，</span></span><span style=";font-family:'Times New Roman';font-size:14px"><span style="font-family:宋体">地块历史上耕作过程中主要以小麦、糜子、玉米、紫苏等作物为主，种植期间以农家肥为主进行施肥，掺合化肥施肥，且使用频次、用量根据经验确定，合理使用化肥可以快速补充土壤中氮、磷、钾及微量元素，缓解土壤养分匮乏，满足作物生长需求，提高耕地单位面积产量，保障粮食和农产品供给，短期内可改善土壤养分结构，为作物优质生长提供营养基础，本地块使用化肥根据科学配比，不会增加土壤环境风险。本地块多数使用常规低毒农药，在土壤中半衰期为几周到几个月，自然条件下</span>1-2<span style="font-family:宋体">年可基本降解，无明显残留。该农田属于旱地，未灌溉，不存在受污染的污水灌溉可能性</span></span><span style=";font-family:'Times New Roman';letter-spacing:0;font-size:14px"><span style="font-family:宋体">。</span></span><span style=";font-family:'Times New Roman';letter-spacing:0;font-size:14px"><span style="font-family:宋体">榆林子镇西街幼儿园（星辰幼儿园）</span></span><span style=";font-family:'Times New Roman';font-size:14px"><span style="font-family:宋体">施工过程中，施工现场采取设置围栏、洒水抑尘措施，物料覆盖运输，遮盖物料堆放场地；施工废水经沉淀后，全部回用；施工人员洗漱废水在场地泼洒降尘，粪污依托附近农户旱厕；建筑垃圾进行分类处理，生活垃圾分类收集，环卫工作人员当天清运至政府指定地点；建设过程中废水、废气、固体废物均得到合理处置，未发生土壤污染情况。榆林子镇西街幼儿园（星辰幼儿园）</span></span><span style=";font-family:'Times New Roman';letter-spacing:0;font-size:14px"><span style="font-family:宋体">运营后</span></span><span style=";font-family:'Times New Roman';letter-spacing:0;font-size:14px"><span style="font-family:宋体">生活污水化粪池预处理进入市政管网，主要污染物为化学需氧量、氨氮、总氮、总磷和粪大肠菌群，生活污水成分简单，经污水管网流经正宁县</span></span><span style=";font-family:'Times New Roman';letter-spacing:0;font-size:14px"><span style="font-family:宋体">榆林子镇污水处理</span></span><span style=";font-family:'Times New Roman';letter-spacing:0;font-size:14px"><span style="font-family:宋体">站，可满足《污水综合排放标准》（</span>GB8978-1996<span style="font-family:宋体">），化粪池采用一般防渗区要求防渗，采取等效粘土防渗层</span><span style="font-family:Times New Roman">Mb≥1.5m</span><span style="font-family:宋体">，抗渗混凝土的渗透系数为</span><span style="font-family:Times New Roman">K≤1.0×10</span></span>^{<span style=";font-family:'Times New Roman';letter-spacing:0;font-size:14px;vertical-align:super">-7</span>}<span style=";font-family:'Times New Roman';letter-spacing:0;font-size:14px">cm/s<span style="font-family:宋体">，满足防渗工程不会对地下水土壤造成污染，</span></span><span style=";font-family:'Times New Roman';letter-spacing:0;font-size:14px"><span style="font-family:宋体">生活垃圾分类送至暂存点收集，环卫工人当天清运。</span></span><span style=";font-family:'Times New Roman';letter-spacing:0;font-size:14px"><span style="font-family:宋体">地块现状无任何槽罐，未发现曾经建设过各类槽罐的痕迹，未发现污染痕迹；无工业废水排放沟渠、渗坑、水塘；无产品、原辅材料、油品的地下储罐、输送管线</span></span><span style=";font-family:'Times New Roman';font-size:14px"><span style="font-family:宋体">。</span></span><span style=";font-family:'Times New Roman';letter-spacing:0;font-size:14px"><span style="font-family:宋体">调查地块</span></span><span style=";font-family:'Times New Roman';letter-spacing:0;font-size:14px"><span style="font-family:宋体">周边</span></span><span style=";font-family:'Times New Roman';letter-spacing:0;font-size:14px">1000m<span style="font-family:宋体">范围内有正宁县果珍果业有限公司和</span></span><span style=";font-family:'Times New Roman';font-size:14px"><span style="font-family:宋体">正宁县恩辉废旧品回收中心及一个加油站</span></span><span style=";font-family:'Times New Roman';letter-spacing:0;font-size:14px"><span style="font-family:宋体">。加油站位于项目地块南侧</span>690m<span style="font-family:宋体">处，</span></span><span style=";font-family:'Times New Roman';font-size:14px"><span style="font-family:宋体">经调</span></span><span style=";font-family:'Times New Roman';font-size:14px"><span style="font-family:宋体">查，汽油卸油工序要设置了卸油油气回收系统，汽油加油工序设置了加油油气回收系统，加油枪采用了自封式加油枪，汽油储罐设置了三次油气回收系统，储油罐采用</span>SF<span style="font-family:宋体">双层罐并埋地设置，输油管道采用双层管道并埋地设置，站区实行了分区防渗，油罐区、卸油区、加油岛、危废暂存间进行重点防渗，防渗性能不低于</span><span style="font-family:Times New Roman">6</span><span style="font-family:宋体">米厚渗透系数为</span><span style="font-family:Times New Roman">1. 0×10</span></span>^{<span style=";font-family:'Times New Roman';font-size:14px;vertical-align:super">-7</span>}<span style=";font-family:'Times New Roman';font-size:14px">cm/s<span style="font-family:宋体">的黏土层；化粪池进行一般防渗，防渗性能不低于</span><span style="font-family:Times New Roman">1.5</span><span style="font-family:宋体">米厚渗透系数为</span><span style="font-family:Times New Roman">1.0×10</span></span>^{<span style=";font-family:'Times New Roman';font-size:14px;vertical-align:super">-7</span>}<span style=";font-family:'Times New Roman';font-size:14px">cm/s<span style="font-family:宋体">的黏土层</span></span><span style="font-family: 'Times New Roman';letter-spacing: 0;font-variant-numeric: normal;font-variant-east-asian: normal;font-variant-alternates: normal;font-variant-position: normal;font-variant-emoji: normal;font-size: 14px"><span style="font-family:宋体">，</span></span><span style=";font-family:'Times New Roman';letter-spacing:0;font-size:14px"><span style="font-family:宋体">生活污水经化粪池预处理进入市政管网，化粪池采用一般防渗区要求防渗，采取等效粘土防渗层</span>Mb≥1.5m<span style="font-family:宋体">，抗渗混凝土的渗透系数为</span><span style="font-family:Times New Roman">K≤1.0×10</span></span>^{<span style=";font-family:'Times New Roman';letter-spacing:0;font-size:14px;vertical-align:super">-7</span>}<span style=";font-family:'Times New Roman';letter-spacing:0;font-size:14px">cm/s<span style="font-family:宋体">，生活垃圾分类送至暂存点收集，环卫工人当天清运，</span></span><span style=";font-family:'Times New Roman';letter-spacing:0;font-size:14px"><span style="font-family:宋体">不会对地下水土壤造成污染。</span></span><span style=";font-family:'Times New Roman';letter-spacing:0;font-size:14px"><span style="font-family:宋体">故判断无地下水污染物迁移或大气沉降造成地块污染的可能。正宁县果珍果业有限公司紧邻调查地块北侧，</span></span><span style=";font-family:'Times New Roman';letter-spacing:0;font-size:14px"><span style="font-family:宋体">正宁县果珍果业有限公司成立于</span>2017<span style="font-family:宋体">年</span><span style="font-family:Times New Roman">3</span><span style="font-family:宋体">月</span><span style="font-family:Times New Roman">9</span><span style="font-family:宋体">日，主要从事果品购销，发泡网、果筐、果箱生产与销售，于</span><span style="font-family:Times New Roman">2018</span><span style="font-family:宋体">年</span><span style="font-family:Times New Roman">8</span><span style="font-family:宋体">月</span><span style="font-family:Times New Roman">17</span><span style="font-family:宋体">日投产，于</span><span style="font-family:Times New Roman">2024</span><span style="font-family:宋体">年</span><span style="font-family:Times New Roman">1</span><span style="font-family:宋体">月</span><span style="font-family:Times New Roman">5</span><span style="font-family:宋体">日</span></span><span style=";font-family:'Times New Roman';font-size:14px"><span style="font-family:宋体">取得庆阳市生态环境局核发的《排污许可证》（证书编号</span></span><span style=";font-family:'Times New Roman';letter-spacing:0;font-size:14px">91621025MA72K4PB09001U</span><span style=";font-family:'Times New Roman';font-size:14px"><span style="font-family:宋体">）；</span></span><span style=";font-family:'Times New Roman';letter-spacing:0;font-size:14px"><span style="font-family:宋体">根据正宁县果珍果业有限公司工作人员描述，由于市场需求量低，正宁县果珍果业有限公司发泡网生产线近两年停止运行，果筐生产线</span>2025<span style="font-family:宋体">年也仅仅生产过一个月左右，生产废气经过集气罩收集经管道进入废气处理装置处理后通过</span><span style="font-family:Times New Roman">15m</span><span style="font-family:宋体">高排气筒排放，厂区不提供食宿，工作人员</span></span><span style=";font-family:'Times New Roman';letter-spacing:0;font-size:14px"><span style="font-family:宋体">盥洗废水泼洒抑尘，旱厕定期清掏用于附近农田堆肥，旱厕采用一般防渗区要求防渗，采取等效粘土防渗层</span>Mb≥1.5m<span style="font-family:宋体">，抗渗混凝土的渗透系数为</span><span style="font-family:Times New Roman">K≤1.0×10</span></span>^{<span style=";font-family:'Times New Roman';letter-spacing:0;font-size:14px;vertical-align:super">-7</span>}<span style=";font-family:'Times New Roman';letter-spacing:0;font-size:14px">cm/s<span style="font-family:宋体">，满足防渗工程不会对地下水土壤造成污染，不会对土壤产生影响；但是厂区地面防渗工作不到位且液压油存放不符合环保要求</span></span><span style=";font-family:'Times New Roman';letter-spacing:0;font-size:14px"><span style="font-family:宋体">。</span></span><span style=";font-family:'Times New Roman';font-size:14px"><span style="font-family:宋体">正宁县恩辉废旧品回收中心位于</span></span><span style=";font-family:'Times New Roman';letter-spacing:0;font-size:14px"><span style="font-family:宋体">正宁县果珍果业有限公司东侧</span></span><span style=";font-family:'Times New Roman';font-size:14px"><span style="font-family:宋体">，注册于</span>2022<span style="font-family:宋体">年</span><span style="font-family:Times New Roman">3</span><span style="font-family:宋体">月</span><span style="font-family:Times New Roman">28</span><span style="font-family:宋体">日，从事废品回收，正宁县恩辉废旧品回收中心地表裸露，废旧品种类烦杂，存在废液压油，废机油桶等危废暂存情况，历史上为甘肃长兴日化有限公司，甘肃长兴日化有限公司已停产多年，但是厂区存在未拆除设备等</span></span><span style=";font-family:'Times New Roman';letter-spacing:0;font-size:14px"><span style="font-family:宋体">，</span></span><span style=";font-family:'Times New Roman';font-size:14px"><span style="font-family:宋体">存在污染源。</span></span><span style=";font-family:'Times New Roman';letter-spacing:-1px;font-size:14px"><span style="font-family:宋体">因无现场快速测定仪器，替代导则要求的现场快速测定，</span></span><span style=";font-family:'Times New Roman';font-size:14px"><span style="font-family:宋体">为了解相邻地块及周边地块污染源是否下渗并迁移到本调查地块，因此，项目初步调查阶段设置项目地块土壤环境质量现状监测方案，委托庆阳环清检验检测有限公司</span>2025<span style="font-family:宋体">年</span><span style="font-family:Times New Roman">11</span><span style="font-family:宋体">月</span><span style="font-family:Times New Roman">10</span><span style="font-family:宋体">日现场取样进行土壤环境质量现状监测，用以辅助判断项目地块状况。</span></span><span style=";font-family:'Times New Roman';letter-spacing:0;font-size:14px"><span style="font-family:宋体">根据现场取样监测数据可知，</span></span><span style=";font-family:'Times New Roman';font-size:14px"><span style="font-family:宋体">项目地块内</span></span><span style=";font-family:'Times New Roman';font-size:14px"><span style="font-family:宋体">疑似</span></span><span style=";font-family:'Times New Roman';font-size:14px"><span style="font-family:宋体">受正宁县果珍果业有限公司污染迁移区域和疑似受甘肃长兴日化有限公司或正宁县恩辉废旧品回收中心污染迁移区域</span></span><span style=";font-family:'Times New Roman';font-size:14px"><span style="font-family:宋体">，</span></span><span style=";font-family:'Times New Roman';letter-spacing:0;font-size:14px"><span style="font-family:宋体">监测点调查监测因子均满足《土壤环境质量</span> <span style="font-family:宋体">建设用地土壤污染风险管控标准（试行）</span>(GB36600-2018)<span style="font-family:宋体">（试行）》中第一类用地筛选值标准，地块土壤环境质量良好，根据《土壤环境质量 建设用地土壤污染风险管控标准（试行） </span><span style="font-family:Times New Roman">(GB36600-2018)</span><span style="font-family:宋体">（试行）》中</span><span style="font-family:Times New Roman">“5.3.2 </span><span style="font-family:宋体">建设用地土壤中污染物含量等于或者低于风险筛选值的，建设用地土壤污染风险一般情况下可以忽略。</span><span style="font-family:Times New Roman">”</span><span style="font-family:宋体">因此，本项目土壤污染风险可能性很小</span></span><span style=";font-family:'Times New Roman';font-size:14px"><span style="font-family:宋体">。</span></span></p><p><span style=";font-family:'Times New Roman';letter-spacing:0;font-size:14px"><span style="font-family:宋体">因此，本场地调查认为，</span></span><span style=";font-family:'Times New Roman';letter-spacing:0;font-size:14px"><span style="font-family:宋体">正宁县榆林子镇西街幼儿园（星辰幼儿园）建设项目地块未发现污染情况，土壤环境质量能够满足</span></span><span style=";font-family:'Times New Roman';letter-spacing:0;font-size:14px"><span style="font-family:宋体">公共管理与公共服务用地</span></span><span style=";font-family:'Times New Roman';letter-spacing:0;font-size:14px"><span style="font-family:宋体">要求。</span></span></p><p><br/></p>