黃賢偉
摘要:環(huán)境監(jiān)測是環(huán)境保護(hù)的“眼睛”,真實(shí)、準(zhǔn)確而全面的環(huán)境監(jiān)測數(shù)據(jù)是客觀評(píng)價(jià)環(huán)境質(zhì)量狀況、反映污染治理成效、實(shí)施環(huán)境管理與決策的基本依據(jù)。目前,我國水質(zhì)環(huán)境污染日益加重,水質(zhì)環(huán)境監(jiān)測作為打贏水污染防治攻堅(jiān)戰(zhàn)和建設(shè)生態(tài)文明的基石,應(yīng)不斷健全環(huán)境監(jiān)測質(zhì)量控制體系,狠抓數(shù)據(jù)質(zhì)量,更好地服務(wù)生態(tài)文明建設(shè)和環(huán)境保護(hù)。本文對(duì)影響水質(zhì)環(huán)境監(jiān)測的質(zhì)量控制要素進(jìn)行了分析,并提出了相應(yīng)的改進(jìn)措施。
關(guān)鍵詞:水資源;環(huán)境保護(hù);水質(zhì)環(huán)境監(jiān)測;質(zhì)量控制
中圖分類號(hào):X83 文獻(xiàn)標(biāo)識(shí)碼:A 文章編號(hào):2095-672X(2019)10-0-02
DOI:10.16647/j.cnki.cn15-1369/X.2019.10.095
Abstract:Environmental monitoring is the “eye” of environmental protection. True, accurate and comprehensive environmental monitoring data are the basic basis for objective evaluation of environmental quality, reflecting the effectiveness of pollution control and implementing environmental management and decision-making. At present, the pollution of water quality is becoming more and more serious in our country. As the cornerstone of winning the battle of water pollution prevention and control and building ecological civilization, water quality monitoring and quality control system should be constantly improved, data quality should be paid close attention to, and ecological civilization construction and environmental protection should be better served. In this paper, the quality control factors affecting water quality and environmental monitoring are analyzed, and the corresponding improvement measures are put forward.
Key words:Water resources;Environmental protection;Water quality and environmental monitoring; Quality control
隨著經(jīng)濟(jì)社會(huì)的快速發(fā)展,我國的水質(zhì)環(huán)境惡化程度也日益加深,工業(yè)革命推動(dòng)社會(huì)進(jìn)步的同時(shí)也加劇了對(duì)水資源的破壞程度。當(dāng)前歷史條件下,為有效加強(qiáng)水資源的保護(hù)及治理,需要水質(zhì)監(jiān)測部門能提供更加準(zhǔn)確有效的監(jiān)測數(shù)據(jù),這對(duì)環(huán)境水質(zhì)監(jiān)測數(shù)據(jù)的質(zhì)量提出了更高要求。環(huán)境水質(zhì)檢測的質(zhì)量控制問題成為當(dāng)前水質(zhì)監(jiān)測的關(guān)注重點(diǎn),通過分析水質(zhì)監(jiān)測的質(zhì)量控制影響因素,并提出相應(yīng)的改進(jìn)措施,能有效地解決水質(zhì)檢測中的質(zhì)量控制問題,從而進(jìn)一步提高環(huán)境水質(zhì)監(jiān)測的數(shù)據(jù)質(zhì)量。做好環(huán)境水質(zhì)監(jiān)測的質(zhì)量控制,對(duì)于正確評(píng)估我國的水資源質(zhì)量,完善水資源保護(hù)治理,切實(shí)保障我國的水資源環(huán)境有重要意義。
1 環(huán)境水質(zhì)監(jiān)測中的質(zhì)量控制的影響因素分析
水質(zhì)環(huán)境監(jiān)測大體可分為室外現(xiàn)場監(jiān)測及采樣后的實(shí)驗(yàn)室內(nèi)分析監(jiān)測,其相關(guān)質(zhì)控影響因素如下所示:
1.1 外部環(huán)境因素影響
在進(jìn)行室外現(xiàn)場監(jiān)測時(shí),外部環(huán)境對(duì)監(jiān)測數(shù)據(jù)的影響尤其明顯,包括天氣狀況,水文條件(水溫,水流,水深等)以及監(jiān)測位置及平臺(tái)等,會(huì)對(duì)監(jiān)測結(jié)果產(chǎn)生直接影響。在室外的水質(zhì)監(jiān)測中,需充分考慮外部環(huán)境是否符合監(jiān)測技術(shù)規(guī)范條件,是否滿足儀器及方法監(jiān)測條件等情況,特殊或極端環(huán)境下監(jiān)測需有完備的環(huán)境影響修正方案。若不充分考慮環(huán)境對(duì)監(jiān)測數(shù)據(jù)的影響,機(jī)械化地直接進(jìn)行現(xiàn)場水質(zhì)監(jiān)測,將導(dǎo)致監(jiān)測數(shù)據(jù)出現(xiàn)偏差,影響數(shù)據(jù)的真實(shí)性和準(zhǔn)確性。
需要采樣進(jìn)行室內(nèi)分析的,則必須考慮外部環(huán)境條件對(duì)樣品的采樣、運(yùn)輸?shù)挠绊懸约皩?shí)驗(yàn)室操作條件的影響。水質(zhì)采樣的質(zhì)量控制需依據(jù)水質(zhì)采樣監(jiān)測技術(shù)規(guī)范要求,充分考慮外部環(huán)境,確定好采樣點(diǎn)位及平臺(tái),樣品采集的水文條件,依據(jù)規(guī)范、因地制宜地采集具有代表性、真實(shí)性的水樣,并嚴(yán)格按要求做好保存及運(yùn)輸。實(shí)驗(yàn)室內(nèi)化驗(yàn)分析則必須具備監(jiān)測方法及分析儀器的要求的外部環(huán)境,如溫度、采光、震動(dòng)、噪音等。若環(huán)境條件超出監(jiān)測要求,則同樣會(huì)導(dǎo)致數(shù)據(jù)失真。
1.2 監(jiān)測人員操作因素影響
直接參與環(huán)境水質(zhì)監(jiān)測的是監(jiān)測人員,監(jiān)測人員操作不規(guī)范或操作失誤都會(huì)直接影響到監(jiān)測結(jié)果的真實(shí)、客觀與準(zhǔn)確。在實(shí)際工作過程中,監(jiān)測人員常見的不規(guī)范行為有:水樣的采集流程不規(guī)范、保存條件不規(guī)范、操作流程不規(guī)范、方法標(biāo)準(zhǔn)不規(guī)范等。
水質(zhì)監(jiān)測工作是一個(gè)相對(duì)較為繁雜的工作系統(tǒng),操作流程環(huán)環(huán)相扣,任何環(huán)節(jié)的失誤都會(huì)影響最終的監(jiān)測結(jié)果。對(duì)工作人員的能力與技術(shù)有著嚴(yán)格的要求,不按照操作規(guī)程或者操作不當(dāng)會(huì)影響水質(zhì)監(jiān)測的準(zhǔn)確性,導(dǎo)致結(jié)果失真或錯(cuò)誤,工作效率和效果都將大打折扣。
水質(zhì)監(jiān)測工作對(duì)工作人員的能力要求很高,人員除了要熟練操作業(yè)務(wù)流程外,還要具備專業(yè)的知識(shí)、豐富的經(jīng)驗(yàn),能夠按操作規(guī)范檢測水質(zhì),能夠發(fā)現(xiàn)檢測過程中出現(xiàn)的問題,并及時(shí)修正。