<p style="margin-top:5px;margin-right:0;margin-bottom:5px;margin-left:0;text-indent:39px;text-align:justify;text-justify:inter-ideograph;line-height:24px"><strong><span style="font-family: 宋体;letter-spacing: 0;font-size: 19px">（</span></strong><strong><span style="font-family: 'Times New Roman';letter-spacing: 0;font-size: 19px">1</span></strong><strong><span style="font-family: 宋体;letter-spacing: 0;font-size: 19px">）地块概况</span></strong></p><p style="margin-top:5px;margin-right:0;margin-bottom:5px;margin-left:0;text-indent:38px;text-align:justify;text-justify:inter-ideograph;line-height:24px"><span style="font-family: 宋体;letter-spacing: 0;font-size: 19px">评估地块为无锡龙达集佳制版有限公司地块，位于无锡金属表面处理科技工业园兴业路</span><span style="font-family: 'Times New Roman';letter-spacing: 0;font-size: 19px">23</span><span style="font-family: 宋体;letter-spacing: 0;font-size: 19px">号，实际占地面积约</span><span style="font-family: 'Times New Roman';letter-spacing: 0;font-size: 19px">2400m</span>^{<span style="font-family: 'Times New Roman';letter-spacing: 0;font-size: 19px;vertical-align: super">2</span>}<span style="font-family: 宋体;letter-spacing: 0;font-size: 19px">，地块规划用地性质为工业用地。</span></p><p style="margin-top:5px;margin-right:0;margin-bottom:5px;margin-left:0;text-indent:39px;text-align:justify;text-justify:inter-ideograph;line-height:24px"><strong><span style="font-family: 宋体;letter-spacing: 0;font-size: 19px">（</span></strong><strong><span style="font-family: 'Times New Roman';letter-spacing: 0;font-size: 19px">2</span></strong><strong><span style="font-family: 宋体;letter-spacing: 0;font-size: 19px">）初步调查结论</span></strong></p><p style="margin-top:5px;margin-right:0;margin-bottom:5px;margin-left:0;text-indent:37px;text-align:justify;text-justify:inter-ideograph;line-height:24px"><span style="font-family: 宋体;letter-spacing: 0;font-size: 19px">土壤点位</span><span style="font-family: 'Times New Roman';letter-spacing: 0;font-size: 19px">T4-2</span><span style="font-family: 宋体;letter-spacing: 0;font-size: 19px">、</span><span style="font-family: 'Times New Roman';letter-spacing: 0;font-size: 19px">T10-1</span><span style="font-family: 宋体;letter-spacing: 0;font-size: 19px">中六价铬检测结果超过《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';letter-spacing: 0;font-size: 19px">GB36600-2018</span><span style="font-family: 宋体;letter-spacing: 0;font-size: 19px">）中第二类用地筛选值标准，但未超过第二类用地管制值标准，建议进一步推进详细调查工作，摸清超标点位六价铬污染范围、污染深度及污染程度，在此基础上明确是否需后续开展风险评估，以及是否需要实施治理修复或风险管控等措施，切实保障地块环境安全及后续合理开发利用。</span></p><p style="margin-top:5px;margin-right:0;margin-bottom:5px;margin-left:0;text-indent:39px;text-align:justify;text-justify:inter-ideograph;line-height:24px"><strong><span style="font-family: 宋体;letter-spacing: 0;font-size: 19px">（</span></strong><strong><span style="font-family: 'Times New Roman';letter-spacing: 0;font-size: 19px">3</span></strong><strong><span style="font-family: 宋体;letter-spacing: 0;font-size: 19px">）详细调查结论</span></strong></p><p style="margin-top:5px;margin-right:0;margin-bottom:5px;margin-left:0;text-indent:38px;text-align:justify;text-justify:inter-ideograph;vertical-align:baseline;line-height:24px"><span style="font-family: 宋体;letter-spacing: 0;font-size: 19px">土壤点位</span><span style="font-family: 'Times New Roman';letter-spacing: 0;font-size: 19px">S13</span><span style="font-family: 宋体;letter-spacing: 0;font-size: 19px">（</span><span style="font-family: 'Times New Roman';letter-spacing: 0;font-size: 19px">0-0.5m</span><span style="font-family: 宋体;letter-spacing: 0;font-size: 19px">）、</span><span style="font-family: 'Times New Roman';letter-spacing: 0;font-size: 19px">S19</span><span style="font-family: 宋体;letter-spacing: 0;font-size: 19px">（</span><span style="font-family: 'Times New Roman';letter-spacing: 0;font-size: 19px">0-0.5m</span><span style="font-family: 宋体;letter-spacing: 0;font-size: 19px">）、</span><span style="font-family: 'Times New Roman';letter-spacing: 0;font-size: 19px">S20</span><span style="font-family: 宋体;letter-spacing: 0;font-size: 19px">（</span><span style="font-family: 'Times New Roman';letter-spacing: 0;font-size: 19px">3-4m</span><span style="font-family: 宋体;letter-spacing: 0;font-size: 19px">）、</span><span style="font-family: 'Times New Roman';letter-spacing: 0;font-size: 19px">E2</span><span style="font-family: 宋体;letter-spacing: 0;font-size: 19px">（</span><span style="font-family: 'Times New Roman';letter-spacing: 0;font-size: 19px">1.5-2.0m</span><span style="font-family: 宋体;letter-spacing: 0;font-size: 19px">）、</span><span style="font-family: 'Times New Roman';letter-spacing: 0;font-size: 19px">E3</span><span style="font-family: 宋体;letter-spacing: 0;font-size: 19px">（</span><span style="font-family: 'Times New Roman';letter-spacing: 0;font-size: 19px">1.5-2.0m</span><span style="font-family: 宋体;letter-spacing: 0;font-size: 19px">）、</span><span style="font-family: 'Times New Roman';letter-spacing: 0;font-size: 19px">E12</span><span style="font-family: 宋体;letter-spacing: 0;font-size: 19px">（</span><span style="font-family: 'Times New Roman';letter-spacing: 0;font-size: 19px">0-0.5m</span><span style="font-family: 宋体;letter-spacing: 0;font-size: 19px">）、</span><span style="font-family: 'Times New Roman';letter-spacing: 0;font-size: 19px">E28</span><span style="font-family: 宋体;letter-spacing: 0;font-size: 19px">（</span><span style="font-family: 'Times New Roman';letter-spacing: 0;font-size: 19px">0-0.5m</span><span style="font-family: 宋体;letter-spacing: 0;font-size: 19px">）、</span><span style="font-family: 'Times New Roman';letter-spacing: 0;font-size: 19px">E35</span><span style="font-family: 宋体;letter-spacing: 0;font-size: 19px">（</span><span style="font-family: 'Times New Roman';letter-spacing: 0;font-size: 19px">0-0.5m</span><span style="font-family: 宋体;letter-spacing: 0;font-size: 19px">）、</span><span style="font-family: 'Times New Roman';letter-spacing: 0;font-size: 19px">E35</span><span style="font-family: 宋体;letter-spacing: 0;font-size: 19px">（</span><span style="font-family: 'Times New Roman';letter-spacing: 0;font-size: 19px">1.5-2.0m</span><span style="font-family: 宋体;letter-spacing: 0;font-size: 19px">）中六价铬检测结果超过《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';letter-spacing: 0;font-size: 19px">GB36600-2018</span><span style="font-family: 宋体;letter-spacing: 0;font-size: 19px">）中第二类用地筛选值标准，但未超过第二类用地管制值标准，该地块土壤质量不满足第二类用地需求，建议对地块内的土壤和地下水尽快开展后续人体健康风险评估工作。</span></p><p style="margin-top:5px;margin-right:0;margin-bottom:5px;margin-left:0;text-indent:39px;text-align:justify;text-justify:inter-ideograph;line-height:24px"><strong><span style="font-family: 宋体;letter-spacing: 0;font-size: 19px">（</span></strong><strong><span style="font-family: 'Times New Roman';letter-spacing: 0;font-size: 19px">4</span></strong><strong><span style="font-family: 宋体;letter-spacing: 0;font-size: 19px">）地块风险评估</span></strong></p><p style="margin-top:5px;margin-right:0;margin-bottom:5px;margin-left:0;text-indent:37px;text-align:justify;text-justify:inter-ideograph;vertical-align:baseline;line-height:24px"><span style="font-family: 'Times New Roman';letter-spacing: 0;font-size: 19px">202</span><span style="font-family: 'Times New Roman';letter-spacing: 0;font-size: 19px">5</span><span style="font-family: 宋体;letter-spacing: 0;font-size: 19px">年</span><span style="font-family: 'Times New Roman';letter-spacing: 0;font-size: 19px">12</span><span style="font-family: 宋体;letter-spacing: 0;font-size: 19px">月，无锡龙达集佳制版有限公司委托我司开展了无锡龙达集佳制版有限公司地块土壤污染状况风险评估工作。接受委托后，我司立即成立项目组，开展了土壤风险评估。</span></p><p style="margin-top:5px;margin-right:0;margin-bottom:5px;margin-left:0;text-indent:37px;text-align:justify;text-justify:inter-ideograph;vertical-align:baseline;line-height:24px"><span style="font-family: 宋体;letter-spacing: 0;font-size: 19px">地块关注土壤污染物为六价铬，属于</span><span style="font-family: 'Times New Roman';letter-spacing: 0;font-size: 19px">1</span><span style="font-family: 宋体;letter-spacing: 0;font-size: 19px">类致癌物质；根据地块用地规划可知，受体为成人，土壤六价铬暴露途径主要为经口摄入、皮肤接触、吸入土壤颗粒物。</span></p><p style="margin-top:5px;margin-right:0;margin-bottom:5px;margin-left:0;text-indent:37px;text-align:justify;text-justify:inter-ideograph;vertical-align:baseline;line-height:24px"><span style="font-family: 宋体;letter-spacing: 0;font-size: 19px">根据土壤中污染物健康风险评估计算，土壤中六价铬产生致癌和非致癌风险的主要暴露途径为经口摄入和吸入土壤颗粒物，土壤中六价铬致癌风险超过</span><span style="font-family: 'Times New Roman';letter-spacing: 0;font-size: 19px">1E-06</span><span style="font-family: 宋体;letter-spacing: 0;font-size: 19px">或非致癌危害商超过</span><span style="font-family: 'Times New Roman';letter-spacing: 0;font-size: 19px">1</span><span style="font-family: 宋体;letter-spacing: 0;font-size: 19px">，人体健康风险不可接受。故土壤中六价铬对人体健康风险不可接受，需要开展修复治理工作。</span></p><p style="margin-top:5px;margin-right:0;margin-bottom:5px;margin-left:0;text-indent:37px;text-align:justify;text-justify:inter-ideograph;vertical-align:baseline;line-height:24px"><span style="font-family: 宋体;letter-spacing: 0;font-size: 19px">地块关注土壤污染物为锰，由于项目区域不饮用地下水，且由于锰不具有挥发性，不存在吸入室外空气中来自地下水的气态污染物途径、吸入室内空气中来自地下水的气态污染物途径。</span></p><p style="margin-top:5px;margin-right:0;margin-bottom:5px;margin-left:0;text-indent:37px;text-align:justify;text-justify:inter-ideograph;vertical-align:baseline;line-height:24px"><span style="font-family: 宋体;letter-spacing: 0;font-size: 19px">故地下水中锰对人体健康风险可接受，无需要开展修复治理工作。</span></p><p style="margin-top:5px;margin-right:0;margin-bottom:5px;margin-left:0;text-indent:39px;text-align:justify;text-justify:inter-ideograph;line-height:24px"><strong><span style="font-family: 宋体;letter-spacing: 0;font-size: 19px">（</span></strong><strong><span style="font-family: 'Times New Roman';letter-spacing: 0;font-size: 19px">5</span></strong><strong><span style="font-family: 宋体;letter-spacing: 0;font-size: 19px">）土壤修复目标值及修复范围</span></strong></p><p style="margin-top:5px;margin-right:0;margin-bottom:5px;margin-left:0;text-indent:37px;text-align:justify;text-justify:inter-ideograph;vertical-align:baseline;line-height:24px"><span style="font-family: 宋体;letter-spacing: 0;font-size: 19px">根据风险评估推算出的土壤风险控制值，并结合《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';letter-spacing: 0;font-size: 19px">GB36600-2018</span><span style="font-family: 宋体;letter-spacing: 0;font-size: 19px">）第二类用地筛选值、第二类用地管制值，确定土壤六价铬最终修复目标值为</span><span style="font-family: 'Times New Roman';letter-spacing: 0;font-size: 19px">4.03</span><span style="font-family: 'Times New Roman';letter-spacing: 0;font-size: 19px">mg/kg</span><span style="font-family: 宋体;letter-spacing: 0;font-size: 19px">。经估算，土壤污染面积为</span><span style="font-family: 'Times New Roman';letter-spacing: 0;font-size: 19px">34.92m</span>^{<span style="font-family: 'Times New Roman';letter-spacing: 0;font-size: 19px;vertical-align: super">2</span>}<span style="font-family: 宋体;letter-spacing: 0;font-size: 19px">，污染方量为</span><span style="font-family: 'Times New Roman';letter-spacing: 0;font-size: 19px">116.4m</span>^{<span style="font-family: 'Times New Roman';letter-spacing: 0;font-size: 19px;vertical-align: super">3</span>}<span style="font-family: 宋体;letter-spacing: 0;font-size: 19px">。</span></p><p style="margin-top:5px;margin-right:0;margin-bottom:5px;margin-left:0;text-indent:39px;text-align:justify;text-justify:inter-ideograph;line-height:24px"><strong><span style="font-family: 宋体;letter-spacing: 0;font-size: 19px">（</span></strong><strong><span style="font-family: 'Times New Roman';letter-spacing: 0;font-size: 19px">6</span></strong><strong><span style="font-family: 宋体;letter-spacing: 0;font-size: 19px">）修复治理措施建议</span></strong></p><p style="margin-top:5px;margin-right:0;margin-bottom:5px;margin-left:0;text-indent:37px;text-align:justify;text-justify:inter-ideograph;vertical-align:baseline;line-height:24px"><span style="font-family: 宋体;letter-spacing: 0;font-size: 19px">为避免地块污染进一步扩散，应尽快开展治理修复工作，避免长期搁置造成地块中污染物迁移而使污染范围发生变化。根据技术筛选，污染土壤的修复技术建议选择工业窑炉协同处置技术或化学还原技术。</span></p><p><br/></p>