国道219线新藏公路改建工程奇台达坂南至区界段（K540~K705）环境影响报告书目录第一章总论..........................................................................................................１1.1项目由来.........................................................................................１1.2编制依据...........................................................................................２1.3环境影响评价工作总则...................................................................４1.4环境敏感目标及环境保护目标.....................................................７1.5评价重点...........................................................................................８1.6评价标准...........................................................................................８1.7评价范围.........................................................................................９1.8评价单元.........................................................................................９第二章工程概况..................................................................................................１１2.1工程概况.......................................................................................１１2.2主要工程.......................................................................................１７2.3筑路材料及土石方工程...............................................................２１2.4工程环保措施...............................................................................２４2.5实施方案及实施计划...................................................................２５2.6保通方案.....................................................................................２７国道219线新藏公路改建工程奇台达坂南至区界段（K540~K705）环境影响报告书2.7环境影响因素分析.....................................................................２８第三章区域环境现状及评价..............................................................................３１3.1自然环境.......................................................................................３１3.2生态环境现状及评价...................................................................３６3.3社会现状.......................................................................................４４3.4空气环境质量现状调查及评价...................................................４８3.5声环境质量现状调查及评价.......................................................４９3.6水环境质量现状调查与评价.......................................................５１第四章环境影响预测与评价..............................................................................５２4.1生态环境影响分析.....................................................................５２4.2社会环境影响分析.....................................................................５９4.3空气环境影响分析.....................................................................６１4.4声环境影响预测...........................................................................６６4.5水环境影响分析.........................................................................７４4.6施工期交通影响及管理.............................................................７６4.7工程风险分析.............................................................................７７第五章水土流失现状与影响分析...........................................
