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1、ReadingBurningcoalinpowerplantsproducesawasteproductcalledcoalash,amaterialthatcontainssmallamountsofpotentiallyharmfulchemicals.EnvironmentalistsintheUnitedStatesareconcernedaboutthedamagesuchharmfulchemicalsmaybedoingtotheenvironmentandsuggestthattheUnitedStatesgovernmentshouldcreatenew,muchstrict
2、erregulationsforhandlingandstoringcoalash.However,representativesofpowercompaniestaketheoppositeview:theyarguethatnewregulationsareunnecessaryandmightactuallyhavenegativeconsequences.TheyusethefollowingargumentstosupporttheirpositionRegulationsExistFirst,powercompanyrepresentativespointoutthateffect
3、iveenvironmentalregulationsalreadyexist.Forexample,oneveryimportantregulationrequirescompaniestouseliner—specialmaterialthatpreventscoalashcomponentsfromleakingintothesoilandcontaminatingthesurroundingenvironment.Companiesthatdisposeofcoalashindisposalpondsorlandfillsmustuselinerineverynewpondorland
4、filltheybuild.ConcernsAboutRecyclingCoalAshSecond,someanalystspredictthatcreatingverystrictrulesforstoringandhandlingcoalashmightdiscouragetherecyclingofcoalashintootherproducts.Currently,alargeportionofcoalashgeneratedbypowerplantsisrecycled:itisused,forexample,inbuildingmaterialssuchasconcreteandb
5、ricks.Recyclingcoalashreducestheneedtodisposeofitinotherwaysandpresentsnoenvironmentaldanger.However,ifnew,stricterrulesareadoptedforhandlingcoalash,consumersmaybecomeconcernedthatrecycledcoalashproductsarejusttoodangerous,andmaystopbuyingtheproducts.IncreasedCostFinally,strictnewregulationswouldres
6、ultinasignificantincreaseindisposalandhandlingcostsforthepowercompanies—perhapsasmuchastentimesthecurrentcostsPowercompanieswouldbeforcedtoincreasethepriceofelectricity,whichwouldnotbewelcomedbythegeneralpublic.Listening:Thereshoulddefinitelybestricterrulesadoptedforhandlinganddisposingofcoalash.Fir
7、st,theregulationswehavenow,forexample,thosethatrequirecompaniestouseliner,arenotreallysufficient.Underthecurrentregulations,linerhastobeusedonlywhenacompanybuildsanewlandfilloranewpond.Butcompaniesare
