水源地有机农药在线监测技术的应用研究
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2020-03-02 11:02:48
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第30卷第5期Vol.30No.5水资源保护WATERRESOURCESPROTECTION2014年9月Sep.2014DOI:10.3969/j.issn.1004-6933.2014.05.014基金项目:水利部948项目(201111)作者简介:张荧(1984—),女,工程师,博士,主要从事水体中有机污染物监测工作。E-mail:cec_007@126.com水源地有机农药在线监测技术的应用研究张荧1,刘胜玉1,刘昕宇1,2,李逸1,魏立菲1(1.珠江流域水环境监测中心,广东广州510611;2.华南农业大学环境科学与工程系,广东广州510642)摘要:使用AquapodSPE250在线监测仪开发了9种微量有机农药的在线监测方法,对其在重点饮用水水源地平岗泵站的实际应用进行了研究,并对该仪器的突发污染预警能力进行了测试评估。结果显示,AquapodSPE250在线监测阿特拉津、甲萘威、对硫磷、2,4-二氯苯酚、2,4,6-三氯苯酚、五氯酚、苯酚、敌草隆和绿麦隆等农药残留值的检出限较低,满足GB3838—2002《地表水环境质量标准》的要求;平岗泵站2013年1—5月的有机农药残留值虽未超过我国标准,但已超出《欧盟饮用水水质指令》的检出限值;在实际水样中添加阿特拉津标准物质,AquapodSPE250的测定光谱异常,仪器出现报警信号,表明该仪器可用于有机农药的突发污染预警。关键词:有机农药;在线监测;突发污染;预警;水质监测中图分类号:X592文献标志码:B文章编号:1004-6933(2014)05-0077-00Applicationofon-linemonitoringoforganicpesticidesinwatersourceareaZHANGYing1,LIUShengyu1,LIUXinyu1,2,LIYi1,WEILifei1(1.PearlRiverWaterEnvironmentMonitoringCenter,Guangzhou510611,China;2.DepartmentofEnvironmentalScienceandEngineering,SouthChinaAgriculturalUniversity,Guangzhou510642,China)Abstract:Anon-linemonitoringmethodfornineorganicpesticideswasdevelopedwiththeAquapodSPE250andappliedtoakeywatersourceprotectionarea,thePinggangPumpingStation.Theinstrument’ssuddenpollutionearlywarningfunctionwastestedandevaluated.Theresultsshowthatthelimitdetectionlevelsofatrazine;carbaryl;parathion;2,4-dichlorophenol;2,4,6-trichlorophenol;pentachlorophenol;phenol;diuron;andchlortoluronmonitoredwiththeAquapodSPE250werelowenoughtomeettherequirementsoftheSurfaceWaterEnvironmentalQualityStandards(GB3838—2002).TheconcentrationlevelsoforganicpesticidesinrawwatercollectedfromJanuarytoMay,2013,werelowerthanthestandardlimitofChina,butthetotalconcentrationoforganicpesticidesexceededthedetectionlimitoftheEuropeanDrinkingWaterDirective.Analytical-standardatrazinewasaddedtotherawwateranddetectedwiththeAquapodSPE250.Theinstrumentshowedanunusualspecialspectrumandawarningsignal,indicatingthattheinstrumentisusefulinearlywarningofsuddenpollutionoforganicpesticides.Keywords:organicpesticides;on-linemonitoring;suddenpollution;earlywarning;wate
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