北京市石景山区地下水中总硬度含量卫生学分析苏领彦

【】苏领彦(,100043)　　,。　80,《(2001)》,《(2001)》《GB/T14848-1993》。　80397mg/L,171～692mg/L,33.75%(Ⅳ23.75%、Ⅴ10%);4,①+②③、③④;≤100m100m,。　,,;,,、、、、,、,,。　地下水;总硬度;分析:R123.5　　　　　:A　　　　　:1004-1257(2006)09-0641-02Subject　HygienicAnalysisoftheGeneralRigidityoftheUndergroundWaterinShijingshanDistrictofBeijngAuthor　SULing-yan(ShijingshanCenterforDiseasePreventionandControl,Beijing,10043,China)Abstract　[Objective]ToexplorethegeneralrigidityoftheundergroundwaterofShijingshandistrictandprovidedataforwatersourcese-lection.[Methods]Generalrigidityofthewatersamplescollectedfrom80wellswasdetectedaccordingtheHygienicStandardforDrinkingWater(2001).ThedetectionresultwasevaluatedaccordingtothatstandardandtheStandardforUndergroundWaterGB/T14848-1993.[Results]Theaveragegeneralrigidityofthewaterfromthe80wellswas397mg/Lrangedfrom171mg/Lto692mg/L.33.75%ofthemexceededthestandard,amongwhichwatertypeIVtookup23.75%andwatertypeVtookup10%.Significantdifferencewasfoundintheeligiblerateofthetotalrigidityamongthe4differenceareas.Nosignificantdifferencewasfoundinthegeneralrigidityamongthewellsthatwereover100meters'deepandbelow100meters'deep;whilesignificantdifferencewasfoundbetweenthatoftheoverbasicrocklayerandthebasicrocklayer.[Conclusion]ThegeneralrigidityoftheundergroundwaterinShijingshandistrictisgenerallyhigh,whichhasgraduallybecomeoneofthefactorsaffectingthequalityofpeople'slife.Greatimportanceshouldbeattachedtothisproblem.Theexceedingrateofthegeneralrigidityshouldbetakenintoconsiderationwhileselectingthewatersources.Keywords　Undergroundwater;Generalrigidity;Analysis　　,。,[1]。,、、,。,,,2003。1　1.1　　80,20031～378、2()。1。1.2　　《(2001)》。1.3　　《(2001)》:,,,。(GB/T14848-1993》[2]。1.4　　SPSS。2　2.1　　80397mg/L,171～692mg/L。《(2001)》,53,27,33.75%。(GB/T14848-1993》,Ⅱ20(25%),Ⅲ33(41.25%),Ⅳ19(23.75%)、Ⅴ8(19%)。2.2　　808,《(2001)》,1。84:、3(100%),①;、2(88.88%、83.33%),②;、2(53.33%、60%),③641《》　20065229　OCCUPATIONANDHEALTHVol.22No.9May,2006DOI:10.13329/j.cnki.zyyjk.2006.09.001;(0%),④。,4,:①②,①+②③,③④,。1　(%)6583.3377100.00301653.33181688.8844100.005360.0022100.00800.00805366.252　(%)、、①1313　　100.00、②242187.50373491.89、③351954.29④800.00805366.25:①②,χ2=1.77,P0.05;①+②③,χ2=13.09P0.01;③④,χ2=5.73,P0.05;①②③④,χ2=29.41P0.01。《GB/T14848-1993》,:、2Ⅱ,;Ⅱ(25%)Ⅲ,;、2ⅡⅢ;250%ⅡⅢ,Ⅳ(75%)Ⅴ(25%),。3。3　[n(%)]ⅡⅢⅣⅤ6　1(16.67)4(66.67)　1(16.67)77(100.00)309(30.00)7(23.33)9(30.00)5(16.67)1816(88.89)2(11.11)41(25.00)3(75.00)53(60.00)2(40.00)22(100.00)87(87.50)1(12.50)80　20(25.00)33(41.25)　19(23.75)8(10.00)2.3　　≤100m、100m、3。《(2001)》,,74%26%,37.73%70%,。,3,,,≤100m100m。4。4　()(%)(%)≤100m①532037.7374100m②10770.0026632742.861001700.000802733.75100:①②,χ2=2.38,(P0.05);①+②③,χ2=10.99,P0.01;①②③,χ2=14.91,P0.01。3　3.1　　①(、、)②(、),①+②③(、)、③④(),。,、、,、,、,。3.2　　,≤100m100m。,。3.3　　397mg/L,171～692mg/L,33.75%(Ⅳ23.75%、Ⅴ10%),,,,。,(),,:。。4　[1]..:,1995.543.[2]GB/T14848-1993.(:2005-07-26)(:方弘)642《》　20065229　OCCUPATIONANDHEALTHVol.22No.9May,2006