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doi10.7629/yxdwfz201409028··2012750004、。19、/。89.82%15674.36%0.10～2.90mg/L85.50%3.66×10－7/a。。Ｒ599.9B1003－6245201409－1023－04DecreasingfluoridewaterimprovementengineeringcurrentsituationanalysisandhealthriskassessmentofdrinkingwatertypefluorosisareasinNingxiain2012QIAiWUHui－zhongLIUFeng－lianNingxiaProvincialCenterforDiseaseControlandPreventionYinchuan750004ChinaAbstractObjectiveTounderstandthesituationofprojectoperationwasteandwaterfluorideondecreasingfluoridewaterimprovementwhichhasbeenbuiltinNingxiatoevaluateitshealthrisks.MethodsAccordingtothedistributionoffluoridepoisoningendemicareainNingxiatook19countiesdistrictcityasthepro-jectcountiesfordrinkingwaterfluorinedetectiontoinvestigateallwater－improvingprojectsofcounty/dis-trict.ＲesultsAccordingtothestatisticsofendemicareavillageswaterimprovementratewas89.82%influ-orosisareainNingxiainvolvingatotalof156watersupplyprojects74.36%projectscouldensurenormalwatersupplyfluorosisfluoridecontentindrinkingwatersupplyprojectwas0.10－2.90mg/Lthequalifiedratewas85.50%fluorideyearlyhealthriskvalueis3.66×10－7/a.ConclusionsDecreasingfluoridewaterimprovementengineeringworksgoodinNingxiaonlyasmallpartoftheprojectoffluoridecontentishigherthantheChinadrinkingwatersanitarystandardlimitspersonalannualriskislessoffluorideonhumanhealth＇sdamages.KeywordsFluorosisWaterimprovementengineeringFluoridecontentHealthrisk1983－190%2。519、。。、2012。20803－6。。5。UAEPA。·3201·20149309JMedPestControlSep2014Vol.30No.911.119、。1.21.2.1、、、、、、、、。4～57～8。1.2.21.2.2.1、《》GB/T5750－2006《》GB5749－2006。1.2.2.2。7－8。UAEPAＲn=∑ni=1ＲnigＲnig=Dij×10－6/ＲfDig/70Ｒnigila－1Digimg/kg·dＲfDigimg/kg·d70a。IAＲCWHOＲfDig6.0×10－2mg/kg·d。22.122/、19/。201234001023082。305489.82%93513391.40%。2.215611683704689.51%。20604976.47%20376084.02%。20121。12012%%%232086.9600.00313.04241979.1700.00520.83352880.00720.0000.00423173.81819.0537.14321856.25515.63928.1315611674.362012.822012.822.3136“”11987.50%。9771.32%100m5152.58%、100m4647.42%。8058.82%、3324.26%、1611.76%21.47%。2.4。13185.50%。0.100～2.900mg/L0.698mg/L2。0.876mg/L＞0.721mg/L＞0.645mg/L＞0.538mg/L≈0.531mg/L。1221.00mg/L16.79%。347979889.58%10.48%。·4201·20149309JMedPestControlSep2014Vol.30No.922012%mg/L2085.001.1190.1700.5310.3101989.471.4900.1000.5380.3853582.862.2490.2050.7210.5013781.081.7500.3550.8760.3012095.002.9000.2960.6450.56813185.502.9000.1000.6980.436120122.520123.66×10－7/a2.78×10－7/a4.59×10－7/a。33.189.82%74.36%12.82%。87.73%。3.20.100～2.900mg/L0.698mg/L。16.79%9.58%。、。。、、、＞1.50mg/L、4.0mg/L10mg/L9。1.0mg/L50%10。、、11。3.33.66×10－7/a4.59×10－7/aICＲP5.0×10－5/a12、13、、、、、。3.4480.50mg/L36.64%73。O.50mg/L14。0.50mg/L50%～60%15。100.50mg/L6～1482.30%。、。1.J.199515172－75.2ＲuanJYWongMH.AccumulationoffluorideandAluminjumrelatedtodifferentVarietiesofteaplantJ.EnvironmentalGeochemistryandHealth200123153－63.3JohnF.ECapproachtoenvironmentalriskassessmentofnewsub-stancesJ.TheScienceoftheTotalEnvironment19951711－3275－279.4ＲolfFH.OutlineonriskassessmentprogrammeofexistingsubstancesintheEuropeanUnionJ.EnvironmentalToxicologyandPharma-cology199622－393－96.5.J.199715428－33.1028·5201·20149309JMedPestControlSep2014Vol.30No.92－3。、、“”4。。5。、6、、、、、、、、。、、、。、2013201288.5%90.0%5.0%28.7%55.6%21.6%、、。。、、。、、。1.J.2011296480－481.2.J.200443362－363.3.J.200210161－62.4.M.4.201229.5.J.2013314261－263.6.M.20043.2013－11－2610256SteinemannA.ＲethinkinghumanhealthimpactassessmentJ.En-vironmentalImpactAssessmentＲeview2000206627－645.7TheUSEPA.Availableinformationonassessmentexposurefrompesti-cidesinfoodＲ.USEnvironmentalProtectionAgencyOfficeofPes-ticidePrograms200014－21.8WHO.Guidelinesfordrinking－waterquality.Geneva2004.9.J.2002212142－144.10.J.2001252104－107.11.J.200282126－129.12.J.20104781660－1664.13.J.2011251182－188.14DissanayakeCB.ThefluorideprobleminthegroundwaterofSrilanka－environmentalmanagementandhealthJ.InternationalJournalofEnvironmentalStudies1991381137－156.15.J.200282123－125.2013－11－14·8201·20149309JMedPestControlSep2014Vol.30No.9