广东省管道直饮水卫生现状调查与对策探讨-(7942)

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1、广东省管道卣饮水卫生现状调查及对策探讨摘要instituteofhealthinspection．Beforethesurveywascarriedout，alltheinterviewershadtoattendaspecialtrainingandtopassthefinalexam．Basedonthepracticalsituationsfoundedinthefieldinvestigation，theworkersoftheprovinceandthelocalinstitutesofhealthinspectioninspectedalltheq

2、uestionnairesfilledbythecompanies．Thecontentsofgeneralinformationaboutthequalityofpipeportablewaterincluded：testingturbidity,PH，conductivity，ozone，consumptionofoxygen，totalnumberofbacteria，coliformgroups，muckycoliformgroupsofsamplesofrowwater，productwaterandpipewater．Theformerfourte

3、stsarecompletedinthefieldworksite；theotherfourtestsarecompletedinthelaboratoryofthelocalcenterofdiseasepreventionandcontr01．5．Dataanalysis：EXCELwasusedtosetupadatabase，andSPSSwasusedfordataanalysis．Resuit1．Generalinformation89surveyedpotablewatercompaniesinGuangdongProvinceweremainl

4、ydistributedinthehighlydevelopeddeltadistrictofPearlRiver，suchasGuangzhou，Dongguang，ShengzhenandZhuhai．70％ofthecompanieshavethecapacityofsupplyingwith1000—10000families；andtheaveragesizeofworksiteusedforwaterpurifyingismorethan20squaremeters，whichimpliedthatmostofthepotablewatercomp

5、aniesinourprovincebelongedtothemediansizeproductivecapacity．2．TheusagerateofportablewaterPortablewater’SusagerateranksfromhightolowinfourcitiesasShengzhen，Zhuhai，Dongguan．Guangzhou．Thepublicsuchasschool，andthegovernment’Sportablewater’Susagerateishigherthanthelivingareas，thedifferen

6、cewasstatisticallysignificant．．Intheresearchedarea，onlyShenzhenhasitsownmeasuredstandard，onethirdofthecompaniestestthepotableVTT￡查塑笪堕皇竺查卫生翌鲨塑查墨翌蔓塑堕一一—————————!!墨water’squalityaccordingtopureWater’sHygieneStandard(OB17324·1998)，onethirdofcompaniesreferencetoCleanWater’SQuatityStandar

7、d(CJ94—1999)，theLivingWaterStandardPrincipal(2001version，amendment4)isusedbymorethan1O％ofcompanies．3．PortableWaterCompanies’hygienefacilities66．29％ofcompanieshaveairdisinfectionequipment(ultravioletlampper30W／10一l5squaremeter)，13．48％ofcompanieshavefullydecoratedchangeroom．19，1％ofthe

8、mdependonthetesting