【正文】 ..................................................................................... 20 監(jiān)測項目 .......................................................................................................... 20 流域污染物通量監(jiān)測 ......................................................................................... 20 質(zhì)量保證 .......................................................................................................... 20 8 建設(shè)項目污水處理設(shè)施竣工環(huán)境保護(hù)驗收監(jiān)測 ............................................................ 21 驗收監(jiān)測內(nèi)容 ................................................................................................... 21 驗收監(jiān)測方案 ................................................................................................... 21 監(jiān)測布點與采樣 ................................................................................................ 21 監(jiān)測項目與分析方法 ......................................................................................... 21 質(zhì)量保證 .......................................................................................................... 22 評價標(biāo)準(zhǔn) .......................................................................................................... 22 總量控制 .......................................................................................................... 22 數(shù)據(jù)處理與分析 ................................................................................................ 22 驗收監(jiān)測報告（表） ......................................................................................... 22 9 應(yīng)急監(jiān)測 .................................................................................................................... 22 突發(fā)性水環(huán)境污染事故 ..................................................................................... 22 應(yīng)急監(jiān)測的 目的與原則 ............................................................................ 22 HJ/T 91— 2020 II 采樣 ........................................................................................................ 22 監(jiān)測方法 ................................................................................................. 23 應(yīng)急監(jiān)測報告 .......................................................................................... 23 洪水期與退水期水質(zhì)監(jiān)測 .................................................................................. 23 監(jiān)測目的 ................................................................................................. 23 監(jiān)測的基本任務(wù)與要求 ............................................................................ 24 監(jiān)測點位布設(shè)原則 ................................................................................... 24 采樣 ........................................................................................................ 24 監(jiān)測頻次與時段 ...................................................................................... 24 監(jiān)測項目 ................................................................................................. 24 監(jiān)測分析方法 .......................................................................................... 24 質(zhì)量保證 ................................................................................................. 25 數(shù)據(jù)處理與報告 ...................................................................................... 25 10 監(jiān)測數(shù)據(jù)整理、處理與上報 ...................................................................................... 25 原始記錄 ......................................................................................................... 25 測量數(shù)據(jù)的有效 數(shù)字及規(guī)則 ............................................................................. 25 數(shù)值修約規(guī)則 .................................................................................................. 26 近似計算規(guī)則 .................................................................................................. 26 監(jiān)測結(jié)果的表示方法 ....................................................................................... 26 校準(zhǔn)曲線 ......................................................................................................... 27 分析結(jié)果的統(tǒng)計要求 ....................................................................................... 27 數(shù)據(jù)上報 ......................................................................................................... 28 11 監(jiān)測質(zhì)量保證與質(zhì)量控制 .......................................................................................... 29 監(jiān)測人員的素質(zhì)要求 ....................................................................................... 29 監(jiān)測儀器管理與定期檢查 ................................................................................ 29 水質(zhì)監(jiān)測分析方法的選用和驗證 ...................................................................... 29 水質(zhì)監(jiān)測布點采樣的質(zhì)量保證 ......................................................................... 29 分析實驗室的基礎(chǔ)條件 .................................................................................... 30 監(jiān)測分析實驗室內(nèi)部質(zhì)量控制 ......................................................................... 30 實驗室間的質(zhì)量控制 ....................................................................................... 33 質(zhì)量保證管理 .................................................................................................. 33 水質(zhì)監(jiān)測安全 .................................................................................................. 33 12 資料整編 .................................................................................................................. 33 原始資料的整理 .............................................................................................. 33 填寫監(jiān)測項目和分析方法表 ............................................................................. 36 匯總監(jiān)測結(jié)果 .................................................................................................. 37 監(jiān)測結(jié)果年度統(tǒng)計 ........................................................................................... 39 HJ/T 91— 2020 I 前 言 依據(jù)《中華人民共和國環(huán)境保護(hù)法》第十一條“國務(wù)院環(huán)境保護(hù)行政主管部門建立監(jiān)測制度、制訂監(jiān)測規(guī)范”的要求，制定本技術(shù)規(guī)范。 本規(guī)范委托中國環(huán)境監(jiān)