【正文】 金川集團(tuán)股份有限公司 尾礦庫(kù) 環(huán)境影響后評(píng)價(jià)報(bào)告 I 目錄 前言 .................................................................................................................................................. 1 1 總論 ........................................................................................................................................... 3 編制依據(jù) ........................................................................................................... 3 相關(guān)法律法規(guī) ................................................................................................... 3 相關(guān)政策及規(guī)劃 ............................................................................................... 3 相關(guān)導(dǎo)則和技術(shù)規(guī)范 ....................................................................................... 5 有關(guān)技術(shù)文件和工作文件 ............................................................................... 5 評(píng)價(jià)目的和評(píng)價(jià)重點(diǎn) ....................................................................................... 6 評(píng)價(jià)目的 ........................................................................................................... 6 評(píng)價(jià)重點(diǎn) ........................................................................................................... 6 評(píng)價(jià)因子 ........................................................................................................... 6 評(píng)價(jià)標(biāo)準(zhǔn) ........................................................................................................... 7 環(huán)境質(zhì)量標(biāo)準(zhǔn) ................................................................................................... 7 污染物排放標(biāo)準(zhǔn) ............................................................................................. 10 評(píng)價(jià)范圍 ......................................................................................................... 11 大氣環(huán)境 ......................................................................................................... 11 地下水 ............................................................................................................. 11 聲環(huán)境 ............................................................................................................. 11 生態(tài)環(huán)境 ......................................................................................................... 12 環(huán)境風(fēng)險(xiǎn) ......................................................................................................... 12 環(huán)境功能區(qū)劃 ................................................................................................. 12 環(huán)境空氣功能區(qū)劃 ......................................................................................... 12 水環(huán)境功能區(qū)劃 ............................................................................................. 12 聲環(huán)境功能區(qū)劃 ............................................................................................. 12 環(huán)境保護(hù)目標(biāo) ................................................................................................. 13 2 建設(shè)項(xiàng)目過程回顧 ................................................................................................................. 15 項(xiàng)目基本情況 ................................................................................................. 15 建設(shè)過程 ......................................................................................................... 15 環(huán)境保護(hù)措施落實(shí)情況 ................................................................................. 18 環(huán)境監(jiān)測(cè)情況 ................................................................................................. 20 公眾參與情況 ................................................................................................. 25 3 建設(shè)項(xiàng)目工程評(píng)價(jià) ................................................................................................................. 27 項(xiàng)目地點(diǎn) ......................................................................................................... 27 項(xiàng) 目規(guī)模 ......................................................................................................... 27 工程概況 ......................................................................................................... 27 選礦廠 ............................................................................................................. 27 尾礦庫(kù) ............................................................................................................. 30 第一、二尾礦庫(kù)生態(tài)恢復(fù)情況 ..................................................................... 31 尾礦庫(kù)毒性浸出實(shí)驗(yàn) ..................................................................................... 32 生產(chǎn)工藝 ......................................................................................................... 33 尾礦壩 ............................................................................................................. 33 庫(kù)外攔洪堤 ..................................................................................................... 34 排水系統(tǒng) ......................................................................................................... 34 金川集團(tuán)股份有限公司 尾礦庫(kù) 環(huán)境影響后評(píng)價(jià)報(bào)告 II 回 水系統(tǒng) ......................................................................................................... 34 在線監(jiān)測(cè)系統(tǒng) ................................................................................................. 34 污染源調(diào)查 ..................................................................................................... 35 廢氣 ................................................................................................................. 35 無組織廢氣監(jiān)測(cè) ............................................................................................. 35 廢水 ................................................................................................................. 37 噪聲 ................................................................................................................. 38 4 區(qū)域環(huán)境概況 .............................................................................................