目 录1 总 论...................................................................11.1 评价任务的由来...........................................................11.2 编制依据.................................................................11.3 评价目的.................................................................31.4 评价标准.................................................................31.5 评价等级及评价范围.......................................................51.6 评价因子.................................................................71.7 项目评价内容、重点及保护目标.............................................71.8 评价方法.................................................................81.9 评价时段.................................................................92 项目概况................................................................112.1 项目基本情况............................................................112.2 道路建设工程概况........................................................112.3 投资估算................................................................183 工程分析................................................................193.1 工艺流程及产污位置......................................................193.2 工程污染源分析.........................................................194 区域环境现状调查与评价..................................................234.1 自然环境................................................................234.2 社会环境................................................................254.3 石嘴山经济开发区现状....................................................264.4 区域污染源现状..........................................................274.5 主要环境保保目标简介....................................................275 区域环境质量现状........................................................295.1 环境空气质量现状调查....................................................295.2 地下水环境现状...........
