【正文】 1 ?b 四 川永祥多晶硅有限公司 四川永祥多晶硅有限公司 3000 噸 /年多晶硅項目 環(huán)境影響報告書 簡本 中國環(huán)境科學(xué)研究院環(huán)境影響評價中心 2 2020 年 2 月 1 總 論 ................................................................................................................................................................ 8 評價任務(wù)由來 .............................................................................................................................................. 8 編制依據(jù) ....................................................................................................................................................... 9 法律法規(guī) ............................................................................................................................................... 9 政策規(guī)定 ............................................................................................................................................... 9 技術(shù)規(guī)范 ............................................................................................................................................. 10 相關(guān)規(guī)劃文件 ..................................................................................................................................... 10 評價目的 ..................................................................................................................................................... 10 評價原則 ..................................................................................................................................................... 11 環(huán)境功能區(qū)劃 ............................................................................................................................................. 11 水環(huán)境功能區(qū)劃 ................................................................................................................................. 11 大氣環(huán)境功能區(qū)劃 ............................................................................................................................. 11 聲環(huán)境功能區(qū)劃 ................................................................................................................................. 11 評價因子 ..................................................................................................................................................... 11 評價標(biāo)準(zhǔn) ..................................................................................................................................................... 12 環(huán)境質(zhì)量標(biāo)準(zhǔn) ..................................................................................................................................... 12 污染物排放標(biāo)準(zhǔn) ................................................................................................................................. 13 評價內(nèi)容及評價重點 ................................................................................................................................ 15 評價內(nèi)容 ............................................................................................................................................. 15 評價重點 ............................................................................................................................................. 16 評價等級劃分 ............................................................................................................................................ 16 大氣環(huán)境評價等級 ............................................................................................................................. 16 地表水環(huán) 境評價等級 ........................................................................................................................ 16 聲環(huán)境評價等級 ................................................................................................................................. 16 環(huán)境風(fēng)險評價等級 ............................................................................................................................. 16 生態(tài)環(huán)境評價等級 ............................................................................................................................. 17 評價范圍和評價時段 .............................................................................................................................. 17 評價范圍 ........................................................................................................................................... 17 評價時段 ........................................................................................................................................... 17 項目外環(huán)境關(guān)系 ...................................................................................................................................... 17 控制污染與保護(hù)環(huán)境目標(biāo) ..................................................................................................................... 18 控制污染目標(biāo) ................................................................................................................................... 18 ................................................................................................................................... 18 2 建設(shè)項目概況 .................................................................................................................................................. 20 相關(guān)企業(yè)現(xiàn)狀 ............................................................................................................................................. 20 四川永祥股份有 限公司簡介 ............................................................................................................ 20 四川永祥股份有限公司對本項目的支撐條件分析 ...................................................................... 20 建設(shè)項目概況 ............................................................................................................................................ 20 項目名稱、性質(zhì)、地點 .................................................................................................................... 20 建設(shè)內(nèi)容、生產(chǎn)規(guī)模、產(chǎn)品方案 ...............................