<p>1 国环评证乙字第 2907 号 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;项目编号： 2011097 号 &nbsp;XX 县 XX 化工贸易有限责任公司 &nbsp;3 万吨硫酸储备项目 &nbsp;环 境 影 响 报 告 书 &nbsp;（报批稿） &nbsp;XX 市环境保护科学研究所 &nbsp;二 0 一一年十月 &nbsp;XX 县 XX 化工贸易有限责任公司 3 万吨硫酸储备项目 环境影响报告书 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;目录 &nbsp;i 目 &nbsp; 录 &nbsp;1 &nbsp; 总则 ································································· ········ ······························· 1 1.1 项目 由来 ······· ···························· ········ ······················································ 1 1.2 评价目的 ··················· ········ ······································································ 1 1.3 编制依据 ························ ········ ················· ················································ 1 1.4 评价技术方法 ······················ ······· ······················································· ····· 3 1.5 评价 内容及 重点 ········· ········ ······················· ······························· 3 1.6 评价标准 · ······· ····· ··········································································· 4 1.7 评价 因子、评价等级 及评价范围 ······ ········ ················································ 6 1.8 环境保护目标 ············ ······························ ·········· ······· ··············· 7 1.9 评价工作程序 ··· ·························· ······· ··················································· ·· 9 2 &nbsp;工程概况 ···································· ······· ································· ·· ·· ············ 10 2.1基本情况 ····································· ·················· ···· ··· ··································· 10 2.2工程组成 ······························ ·· ······ ··························································· 10 2.3 总平面布置 ························ ··············· ········ ······················ · ····· ·· ·· ·············· 11 2.4 项 目土建工程设施 ··············· ········· ····· ·· ·· ·············· ·············· · ····· ·· ·· ······ 11 2.5 工程施工进度 ····· ························ ·· ········· ····· · ·· ·············· ·············· · ····· ·· ·· ··· 12 2.6 项目主要设施、设备 ············ ·········· ········· ····· · ·· ·············· ··· ··········· · ····· ·· ·· ··· 12 2.7项目工作制度及劳动定员 ··········· ·· ········· ····· · ·· ·············· ·············· · ····· ·· ·· ··· 13 2.8 主要经济技术指标 ············ ·········· ········· ····· · ·· ·············· ·············· · ····· ·· ·· ··· 13 3 &nbsp;工程分析 ····································· ··· ······ ····· · ·· ·········································· 14 3.1 施工期工程分析 ·········· ········ ···· ·· ···· ·· ···· · ····· · ·· ········································· 14 3.2 运营期工程分析 ·· ···· ·· ···································· ········· ····· · ·· ······················· 14 3.3 污染源强分析 ···································· ········· ····· · · ·· ···· ······························ 15 3.4营运期间主要污染物处置排放分析 · ········· ··· · ·· ········· ··· · ·· ························· 21 4 &nbsp; 环境概况 ···································· ····· · ····························· ······················· 23 4.1 自然环境概况 ···································· ····· · ············································· 23 4.2 社会环境概况 ···································· ····· · ············································· 26 4.3 评价区域污染源概况 ·················· ··········· ····· · ····························· 28 XX 县 XX 化工贸易有限责任公司 3 万吨硫酸储备项目 环境影响报告书 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;目录 &nbsp;ii 5 &nbsp;环境质量现状调查与评价 ···························· ····· · ··································· 31 5.1 空气环境质量现状监测与评价 ······················ ····· · ··································· 31 5.2 地表水 环境 质量现状监测与评价 ·················· ··· ·· · ··································· 36 5.3 地 下 水 环境 质量现状监测与评价 ·················· ····· · ··································· 40 5.4 声环境质量现状监测与评价 ·························· ····· · ··································· 41 5.5 生态 环境质量现状 调查 与评价 ··················· ·· · ············· ···························· 42 6 &nbsp;环境影响预测 分析 与评价 ········ ················ · ············································ 43 6.1 施工期环境影响 分析 ···· ················ · ··········································· 43 6.2 营运期 大气 环境影响预测与评价 ···· ················ · ···················· ················ 45 6.3 营运期水环境影响预测及评价 ········· · ················· · ········· · ························· 52 6.4 营运期 固体废物环境影响分析 ····················· · ········ · ···························· 57 6.5 营运期声环境影响分析 ···· · ················· · ········· · ······························· ········· 58 6.6 事故性泄漏环境影响分析 ··· · ··· · ···· · ···· · ···· · ········································· 61 7 &nbsp;环境风险分析 · ······················ · ········· · ······························· · ······················ 64 7.1 评价工作等级和评价工作程序 ··············································· ········· 64 7.2 环境风险 识别 ····· · ········· · ··························· · ············································· 65 7.3 风险评价因子的确定 ····· · ······································································· 68 7.4 风险事故影响预测 ······················ · ················· ····································· 68 7.5 风险 防范措施 ··········· · ············································································ 71 7.6 应急措施预案 ··········· · ············································································ 75 8 &nbsp;产业政策 和选址 及清洁生产分 析 ··························································· 81 8.1 产业政策相符性分析 ············································································· 81 8.2 项目选址合理性分析 ······································································ 81 8.3 清洁生产分析 ······· ······························································· 81 9 环境保护措施及经济可行性分析 ························································· 84 9.1 营运期环境保护措施分析 ····································································· 84 9.2 环保投资估算及经济可行性分析 ··········· ··············································· 86 10 主要污染物排放总量控制 ··································································· 87 11 环境影响经济损益分析 ······································································ 87 XX 县 XX 化工贸易有限责任公司 3 万吨硫酸储备项目 环境影响报告书 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;目录 &nbsp;iii 11.1 经济效益分析 ··························· ··································· 87 11.2 社会效益分析 ······························································ 87 11.3 环境效益分析 ····················································································· 87 12 环境管理与环境监测计划 ······························· ···························· 89 12.1 环境管理 ········································································· 89 12.2 环境监测计划 ······················································································ 91 12.2 环保设施建设要求 ······························ ·················································· 93 13 公众参与 ···························································································· 94 13.1 公众参与的目的 ·················································································· 94 13.2 调 查范围 和调查方法 ········································································ 94 13.3 公众参与过程 ···················································································· 94 13.4 调查结果与分析 ·························································· 96 13.5 公众意见调查结论及建议 ·································································· 98 14 评价结论 ··················································································· 99 14.1 环境质量现状评价结论 ······································································ 99 14.2 环境影响预测评价结论 ······································································ 100 14.3 污染防治措施及对策分析结论 ··························································· 101 14.4 环保措施可行性分析结论 ································································ 102 14.5项目环境风险分析结论 ······································································· 102 14.6 产业政策 符合性 结论 ·········································································· 102 14.7 主要污染物排放总量控制 结论 ··························································· 103 14.8 公众参与结论 ····················································································· 103 14.9 综合性结论 ························································································· 103 XX 县 XX 化工贸易有限责任公司 3 万吨硫酸储备项目 环境影响报告书 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;目录 &nbsp;iv 附图及附件 &nbsp;附图一 &nbsp; 项目地理位置图 &nbsp;附图二 &nbsp; 项目总平布置图 &nbsp;附图三 &nbsp; 项目监测布点图 &nbsp;附图四 &nbsp; 项目所在区域土地利用现状图 &nbsp;附图五 &nbsp; 项目所在区域水系、环境敏感点及污染源分布图 &nbsp;附图 六 &nbsp; 项目所在区域 水文地质图 &nbsp;附图 七 &nbsp; XXXX 有色金属新材料工业园区车河工业区南区总体规划 土地利用规划图 &nbsp;附件一 &nbsp; XX 县 XX 化工贸易有限责任公司 3 万吨硫酸储备项目环评委托书 &nbsp;附件二 &nbsp; XX 县 发展和改革局 201011 号文 XX 县 XX 化工贸易有限责任公司 3 万吨硫酸储备项目登记备案证 &nbsp;附件三 &nbsp; XX 县环保局关于 XX 县 XX 化工贸易有限责任公司 3 万吨硫酸储备建设项目环境影响报告书所用标准确认的复函 &nbsp;附件 四 &nbsp; XX 县建设局关于县 XX 化工贸易有限责任公司硫酸储备库项目选址批复； &nbsp; 附件五 &nbsp; XX 县环保局关于 XX 县 XX 化工贸易有限公司新建 3 万吨硫酸储备建设项目的初步选址意见 &nbsp;附件六 &nbsp; XX 县公安消防大队关于 3 万吨硫酸储备建设项目的选址意见 &nbsp;附件七 &nbsp; 危险化学品建设项目安全许可意见书 (河安监管危化项目审字 201102 号 ) &nbsp;附件 八 &nbsp; 危险化学品建设项目安全许可意见书 (河安监管危化项目审字 201103 号 ) &nbsp;附件 九 &nbsp; 危险化学品经营许可证 (桂安经 (甲 )字 20090732 号 ) 附件十 &nbsp; 公众参与调查表 &nbsp;附 件十一 &nbsp;车河社区居委会同意项目建设的证明 &nbsp;附件十二 &nbsp;建设项目审批登记表 &nbsp;附件十三 &nbsp;环境监测资质认定 &nbsp; 附件十四 &nbsp;项目入驻工业园区批复 &nbsp;附件十五 &nbsp;环评报告书补充修定说明 &nbsp;XX 县 XX 化工贸易有限责任公司 3 万吨硫酸储备项目环境影响报告书 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 1 总则 &nbsp;1 1 总 则 &nbsp;1.1 项目由来 &nbsp;XX 县 XX 化工贸易有限责任公司 新建的 3 万吨硫酸储备项目 ，总投资 1200 万元，其中建设投资为 850 万元 (含环保投资 90 万元 )，流动资金 350 万元。项目 选址于 XX 县 XX 化工贸易有限责任公司 东面荒坡地 ，项目计划用地 11330m2，建设 3 台 5731m3 硫酸储罐和 1 台2170m3 应急罐 及 相应的配套设施，项目规模为 3 万吨硫酸储存（最大）。 2010 年 4 月，项目动工建设， 2010 年 11 月， XX 县 XX 化工贸易有限责任公司 委托 XX 市环境保护科研所进行该项目的环境影响评价时，该项目工程的一套 1 万吨硫酸储罐（ 1 台 5731m3 硫酸储罐 1#储罐 和 1 台 2170m3 应急罐和 围堰等 部分配套设施）已建成 ；项目的 2#、 3#储罐待相关手续齐备后再行建设 。本次环境影响评价为补办环评手续。 &nbsp;根据中华人民共和国环境影响评价法和国务院令第 253 号建设项目环境保护管理条例的有关规定，需对 XX 县 XX 化工贸易有限责任公司 3 万吨硫酸储备项目进行环境影响评价，以求得建设项目的经济效益、社会效益和环境效益协调发展。 XX 市环境保护科研所接受 XX 县 XX 化工贸易有限责任公司 3 万吨硫酸储备项目项目的环境影响评价工作 委托后， 随即 成立 该项目的 环评课题组， 进行了 现场勘察 和资料收集、编制了项目环境影响评价工作实施方案，在完成环境质量现状调查、 环境影响 预测分析及评价、公众参与调查等工作的基础上，根据国家有关环境影响评价技术导则和规范的要求， 编制完成本项目环境影响报告书。 &nbsp;1.2 评价目的 &nbsp;通过对拟建工程进行环境影响预测分析评价， 了解 场址周围地区的环境质量现状，查清现有污染源， 污染物种类及排放情况，弄清拟建项目废水、废气、废渣、噪声等污染源的排放 情况及环境风险情况 ，预测分析拟建项目投产后对周围环境的影响，并对工程环保措施 和风险防范措施 进行评估， 并 提出相应的对策和建议 及应急预案 ，为有关部门和该 项目 进行环境管理和污染防治提供科学依据。 &nbsp;1.3 编制依据 &nbsp;1.3.1 法律依据 &nbsp;(1)中华人民共和国环境保护法， 1989.12； &nbsp;(2)中华人民共和国大气污染防治法， 2000.9； &nbsp;(3)中华人民共和国水污染防治法 2008.2； &nbsp;(4)中华人民共和国环境噪声污染防治法， 1997.3； &nbsp;XX 县 XX 化工贸易有限责任公司 3 万吨硫酸储备项目环境影响报告书 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 1 总则 &nbsp;2 (5)中华人民共和国固体废物污染环境防治法， 2005.4； &nbsp;(6)中华人民共和国清洁生产促进法， 2003.1； &nbsp;(7)中华人民共和国环境影响评价法， 2003.9； &nbsp;(8)中华人民共和国水土保持法， 2011.3。 &nbsp;1.3.2 法规及规范性文件 &nbsp;(1)国务院令 253 号建设项目环境保护管理条例， 1998.12； &nbsp;(2)国务院令 284 号中华人民共和国水污染防治法实施细则， 2000.3； &nbsp;(3) )国 环部 200802 号 建设项目环境 影响评价 分类管理名录， 2008.10； &nbsp;(4)广西 壮族自治区环境保护条例， 2006.2； &nbsp;(5)国家发改委产业结构调整指导目录 (2011 年本 ) 2011； &nbsp;(6)国发 (2005)39 号 国务院关于落实科学发展观加强环境保护的决定， 2005.12； &nbsp;(5)国家环保总局环发（ 2005） 152 号关于加强环境影响评价管理防范环境风险的通知，2005.12； &nbsp;(6)国务院令 344 号危险化学品安全管理条例， 2002.3； &nbsp;(7)国家环保总局环发（ 2006） 28 号环境影响评价公众参与暂行办法， 2006.3； &nbsp;(8)国家环保部国家危险废物名录 2008.8。 &nbsp;1.3.3 环评技术规范依据 &nbsp;(1)HJ/T2.1 93环境影响评价技术导则 &nbsp;总纲； &nbsp;(2)HJ2.2 2008环境影响评价技术导则 &nbsp;大气环境； &nbsp;(3)HJ2.3 2011环境影响评价技术导则 &nbsp;地面水环境； &nbsp;(4)HJ610 2011环境影响评价技术导则 &nbsp;地下水 环境； &nbsp;(5)HJ2.4 2009环境影响评价技术导则 &nbsp; 声环境； &nbsp;(6)HJ/T169 2004建设项目环境风险评价技术导则 ； &nbsp;(7) GB18218-2009危险化学品重大危险源辨识 。 &nbsp;1.3.4 主要的监测技术 规范及方法 &nbsp;(1)HJ/T91 2002地表水和污水监测技术规范； &nbsp;(2)HJ/T92 2002水污染物排放总量监测技术规范； &nbsp;(3)HJ/T164 2004环境空气质量手工监测技术规范； &nbsp;(4) 国家环保局 HJ/T299-2007固体废物 &nbsp;浸出毒性浸出方法 &nbsp;硫酸硝酸法 ； &nbsp;(5)空气和废气监测分析方法 (第四版 ) ， 国家环保局编制。 &nbsp;XX 县 XX 化工贸易有限责任公司 3 万吨硫酸储备项目环境影响报告书 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 1 总则 &nbsp;3 1.3.5 项目依据 &nbsp;(1) XX 县 XX 化工贸易有限责任公司 3 万吨硫酸储备项目环评委托书 ； &nbsp; (2) XX 县 发展和改革局 201011 号文 XX 县 XX 化工贸易 有限责任公司 3 万吨硫酸储备项目登记备案证； &nbsp; (3) XX 县环保局关于 XX 县 XX 化工贸易有限责任公司 3 万吨硫酸储备建设项目环境影响报告书所用标准确认的复函； &nbsp;(4)XX 县建设局关于县 XX 化工贸易有限责任公司硫酸储备库项目选址的批复； &nbsp; (5) XX 县环保局关于 XX 县 XX 化工贸易有限公司新建 3 万吨硫酸储备建设项目的初步选址意见。 &nbsp;(6) XX 县公安消防大队关于 3 万吨硫酸储备建设项目的选址意见； &nbsp;(7) XX 县 XX 化工贸易有限责任公司 3 万吨硫酸储备项目安全设施设计专篇 、 XX 县XX 化工贸易有限责任公司 3 万吨硫酸储备项目安全条件论证报告 、 XX 县 XX 化工贸易有限责任公司 3 万吨硫酸储备项目设立安全评价报告 ， 南宁市化工设计院 2010.10； &nbsp;1.4 评价技术方法 &nbsp;本评价根据环境影响评价技术导则及相关文献的要求，采用以下技术和方法： &nbsp;(1)环境现状评价 &nbsp;主要采用资料收集、现场勘察、现场监测、数理统计等技术方法。 &nbsp;(2)工程分析和清洁生产分析 &nbsp;主要采用物料衡算、类比分析、查阅参考资料、工艺全过程分析和产污排污系数等技术方法。 &nbsp;(3)环境影响预测和评价 &nbsp;主要采用数学模型及类比调查等技术方法 。 &nbsp;(4)环境经济损益分析 &nbsp;采用因子比较法，进行定量和半定量分析。 &nbsp;(5)公众参与采用项目信息公开、问卷调查等公众参与方式。 &nbsp;1.5 评价的内容及重点 &nbsp;1.5.1 评价的内容 &nbsp;（ 1）收集、监测和调查评价区域的环境质量状况，进行环境质量现状评价。 &nbsp;（ 2）通过对项目的工程分析，以及同类型和规模的工程类比调研，确定本项目的主要污染因子和污染源强； &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; （ 3）对项目拟采取的污染防治措施进行技术和经济可行性分析； &nbsp;XX 县 XX 化工贸易有限责任公司 3 万吨硫酸储备项目环境影响报告书 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 1 总则 &nbsp;4 （ 4）预测项目营运期以及事故风险情况下可能对周围环境产生的影响，分析影响程度， 预测影响范围； &nbsp;（ 5）对项目提出合理可行的减缓不利影响的措施和建议，并拟订环境管理和监测计划以及事故风险应急措施； &nbsp;（ 6）进行公众调查和环境经济损益分析，实现工程实施的社会、经济和环境效益的统一，并为环保主管部门决策和建设单位环境管理提供科学依据。 &nbsp;1.5.2 评价重点 &nbsp;根据对同类型项目类比调研，以危险化学品仓储罐区的工程分析、营运期正常和事故情况下废气、废水环境影响以及相应的污染防治措施分析评价，事故风险影响预测及应急计划措施分析等为重点。同时兼顾固废、噪声等环境影响分析。 &nbsp;1.6 评价标准 &nbsp;1.6.1 环境 质量标准 &nbsp;（ 1）环境空气 &nbsp;项目区域为环境空气质量二类功能区。环境空气执行环境空气质量标准 (GB3095-1996)中的二级标准，详见表 1-2。 &nbsp;表 1-2 环境空气质量标准（ GB3095-1996） &nbsp;项目 &nbsp;浓度限值（ mg/m3） &nbsp;取值时间 &nbsp;二级标准 &nbsp;NO2 年平均 &nbsp;0.08 日平均 &nbsp;0.12 1 小时平均 &nbsp;0.24 SO2 年平均 &nbsp;0.06 日平均 &nbsp;0.15 1 小时平均 &nbsp;0.50 PM10 年平均 &nbsp;0.10 日平均 &nbsp;0.15 特征污染物执行 TJ36-79工业企业设计卫生标准 居住区大气中有害物质的最高允许浓度标准限值，其排放标准见表 1-3。 &nbsp;表 1-3 &nbsp;居住区大气中有害物质最高允许浓度 &nbsp;污染物名称 &nbsp;一次浓度限值 (mg/m3) 日均浓度限值 (mg/m3) 硫酸雾 (以 SO 2 计 ) 0.30 0.10 XX 县 XX 化工贸易有限责任公司 3 万吨硫酸储备项目环境影响报告书 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 1 总则 &nbsp;5 （ 2）地表水环境质量标准 &nbsp;评价范围内的主要地表水体为项目 场址西 南侧 （北南走向）车河河 &nbsp;(直距项目场址1.3Km)， 评价区域 地表水执行地表水环境质量标准 (GB3838-2002) 类标准，见表 1-4。 &nbsp;表 1-4 地表水环境质量标准（单位 mg/L， pH 除外） &nbsp;序号 &nbsp;指标 &nbsp; 类标准 (mg/L) 1 pH 69(无量纲 ) 2 SS 30 3 高锰酸盐指数 6 4 化学需氧量 20 5 氨氮 &nbsp; 1.0 6 硫化物 &nbsp;0.2 7 硫酸盐 &nbsp;250 备注： SS 标准参照 SL63-94地表水资源质量标准 &nbsp;（ 3）声环境 &nbsp;根据 GB3096-2008声环境质量标准 ，本项目 厂区东、南、西区域执行 2 类区标准，项目厂区北侧毗邻 二级公路执行 3 类区标准。见表 1-5。 &nbsp;表 1-5 GB3096-2008声环境质量标准 &nbsp;区 &nbsp;域 &nbsp;类 &nbsp;别 &nbsp;标准级别 &nbsp;昼 &nbsp; &nbsp; 间 &nbsp;夜 &nbsp; &nbsp; 间 &nbsp;混杂 区 &nbsp;2 类 &nbsp;60dB(A) 50dB(A) 仓储物流 &nbsp;3 类 &nbsp;65dB(A) 55dB(A) 1.6.2 污染物排放标准 &nbsp;（ 1）废气 &nbsp;废气排放执行（ GB16297-1996）大气污染物综合排放标准二级标准中无组织排放源浓度限值，具体见表 1-6。 &nbsp;（ 2）废水 &nbsp;本项目 正常营运时不产生 废水 排放，少量的地面冲洗水和初期雨水经站内中和处理后排入车河河， 执行 GB8978-1996污水综合排放标准一级标准 &nbsp;表 1-6 &nbsp;无组织排放监控浓度限值（新污染源） &nbsp;污染物 &nbsp;无组织排放监控浓度限值 &nbsp;监控点 &nbsp;浓度 (mg/m3) 硫酸雾 &nbsp;周界外浓度最高点 &nbsp;1.2 XX 县 XX 化工贸易有限责任公司 3 万吨硫酸储备项目环境影响报告书 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 1 总则 &nbsp;6 （ 3）噪声 &nbsp;厂界噪声执行 GB12348-2008工业企业厂界环境噪声排放标准 2、 4a 类标准。其中北侧临近二级公路、执行 3 类标准。见表 1-8。施工作业噪声执行建筑施工场界噪声限值(GB12523-90)，见表 1-9。 &nbsp;表 1-8 工业企业厂界噪声标准，单位 Leq(dB) 类别 &nbsp;昼间 &nbsp;夜间 &nbsp;2 类标准 &nbsp;60 50 3 类标准 &nbsp;65 55 表 1-9 &nbsp;建筑施工场界噪声标准（单位： dB(A)） &nbsp;施工阶段 &nbsp;主要噪声源 &nbsp;噪声限值 &nbsp;昼间 &nbsp;夜间 &nbsp;土石方 &nbsp;推土机、挖掘机 、装载机 &nbsp;75 55 打桩 &nbsp;各种打桩机 &nbsp;85 禁止施工 &nbsp;结构 &nbsp;混凝土搅拌机、振捣棒、电锯 &nbsp;70 55 装修 &nbsp;吊车、升降机 &nbsp;65 55 （ 4） 危废 &nbsp;硫酸储罐检修产生的清罐淤泥为危险废物，按 GB18597-2001危险废物贮存污染控制标准进行贮存管理和清运。 &nbsp;1.7 评价因子、评价等级及评价范围 &nbsp;1.7.1 评价因子 &nbsp;（ 1）地表水环境 &nbsp;： &nbsp;pH、 SS、高锰酸盐指数、 COD、氨氮、硫化物 、硫酸盐 。 &nbsp;（ 2）环境空气 ： SO2、 NO2、 PM10、硫酸雾。 &nbsp;（ 3）声环 ： 等效连续 A 声级（ Leq）。 &nbsp;1.7.2 评价 等级 &nbsp;根据项目特征，结合本项目建设规模及所在地区域环境特点，按照环境影响评价技术导则 (HJ2.2-2008、 HJ/T2.3-93、 HJ2.4-2009、 HJ/T19-1997、 HJ/T169-2004 等 ) 关于评价等级XX 县 XX 化工贸易有限责任公司 3 万吨硫酸储备项目环境影响报告书 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 1 总则 &nbsp;7 的划分方法，确定空气环境、地表水环境、声环境、生态环境，环境风险的评 价等级 。 &nbsp;表 1-10 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;评价工作等级划分表 &nbsp;评价内容 &nbsp;工作等级 &nbsp;依 &nbsp; &nbsp; 据 &nbsp;空气环境 &nbsp;三 &nbsp;依据 HJ2.2-2008，项目大气污染物主要为储罐排放的硫酸雾，其排放量较小，最大占标率 Pmax0.5m，内立面按安监部门要求凃树脂类防腐材料，罐体与围堰的最小间距为 3.1m，围堰的有效容积为 6500m3。 &nbsp; 硫酸应急池。规格为 4m×7m×1.2m，同时设置相应的应急 酸泵。 &nbsp; 装缷酸平台。装酸平台面积约 100m2，缷酸平台面积约 200m2， &nbsp; 废污水 收集 处理池。有效容积 500m3。 &nbsp; 2.2.2公共工程及辅助工程 &nbsp; 办公楼。为二层砖混结构，占</p>