××××××××××新增年产4万吨甲醛生产线扩建项目环境影响报告书建设单位(盖章):××××××××××编写单位:××××环境保护科学研究所目录1总论............................................................................................................................11.1评价项目的由来................................................................................................11.2编制依据............................................................................................................21.3评价目的和原则...............................................................................................41.4环境功能区区划与评价标准...........................................................................51.5评价因子确定...................................................................................................71.6评价工作等级...................................................................................................91.7评价范围.........................................................................................................101.8评价重点.........................................................................................................101.9控制污染与环境保护目标.............................................................................111.10环境功能属性...............................................................................................121.11评价时段.......................................................................................................121.12环评工作程序...............................................................................................132现有工程概况..........................................................................................................142.1现有工程目前总体概况..................................................................................142.2现有甲醛生产概况..........................................................................................162.3现有脲醛胶的生产情况..................................................................................262.4厂区能耗..........................................................................................................282.5主要污染物排放情况及治理措施..................................................................292.6现有工程分析结论.........................................................................................343扩建项目工程分析..................................................................................................373.1工程概况.........................................................................................................373.2工程分析.........................................................................................................393.3非正常工况排污分析......................................................................................484建设项目周围环境概况..........................................................................................504.1自然环境.........................................................................................................504.2社会经济环境概况.........................................................................................514.3周围污染源状况.............................................................................................535环境质...