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10EnvironmentReport2013SeattleCityLighttestedbyemployees.Productsthatperformwellbecometheapprovedsupplieswhilenewproductsconnuetobeevaluatedandapproved.Chemicalsareevaluatedforenvironmentalandsafetyconcerns.Alternavesareassessedforproductsofconcernandsubstuonsarerecommendedwherefeasible.Computerspurchasedbytheulitymustmeetstrictenvironmentalstandards.ForseveralyearsallthepurchasedcomputershavemetthehigherE-PEATElectronicProductEnvironmentalAssessmentToolgoldstandard.Tomeetthatstandardthecomputersuselesstoxicmateriallessenergyandareeasiertorecycle.AllnewoverheadtransformersandmanyothertransformersarelledwithaUSDABioPreferredesteriedvegetableoilasustainablysourcedlowtoxicitybiodegradableproduct.Bio-basedchainsawoilandhydraulicuidsareusedandbio-basedturbineoilsarealsobeinginvesgated.CityLighthasbeenusingwoodpolesthataretreatedwithcoppernaphthenateformorethan20years.ThisistheonlywoodpreservaveapprovedforpolesinsertedundergroundthatisnotarestrictedusepescideaccordingtotheU.S.EnvironmentalProteconAgency.Theulityscedarpolesaredippedinavatofthepreservavesoonlytheboomofthepoleistreatedtheburiedpartplusafewextrafeet.Thetopofthepoleisuntreatedandnaturallyrot-resistantwesternredcedar.SavingEnergyInaddiontohelpingourcustomerssaveenergyandmoneyCityLighttakespridesinitsowneortstobemoreenergyecient.Severalrecentexamplesaredescribedbelow.Since2010SealeCityLightconverted40000streetlightstoenergy-ecientlight-emingdiodesLED.Thenewstreetlightswillreducetheamountofenergyusedbyupto60percentandsavetheCityofSealeabout2.4millionayearinoperangcosts.CityLightownsover50housesforemployeesworkingattheSkagitRiverHydroelectricProjectinthetownsofNewhalemandDiablo.Builtbetween1925and1960noneofthesehomesmetcurrentenergyeciencystandards.In2010CityLightembarkedonaprogramtoinstallheatpumpsinsulaonandenergyecientwindowsallwhilepreservingthehistoriccharacteriscsofthehouses.Whencompletetheprojectwillmakethehomesmorecomfortableandsaveenergyandmoney.ReducingWasteRestoringBuildingsDidyouknowthatCityLighthasalmost90structuresthatarelistedontheNaonalRegisterofHistoricPlacesManyoftheseoldbuildingsarelocatedinthehistorictownsofNewhalemandDiabloattheSkagitRiverHydroelectricProject.Severalofthesebuildingshavenotbeenusedinrecentyearsbecausetheywereinpoorcondionandcostagreatdealtoheatandmaintain.InsteadoftearingthemdownandreplacingthemwithnewconstruconCityLighthasrestoredthesehistoricbuildingsupgradedtheirenergysystemsandputthemtonewuse.Restoraonsavesmaterialsreduceswasteandpreservesourhistory.ProtectingOurWatersCuttingEmissionsTomaintainundergroundpowerlinesandtransformersCityLightworkersoenhavetopumpoutwateranddebrisfromthevaultswherethatequipmentislocated.Currentlythatwastewatermustbetruckedtoadistantfacilityforltraonanddisposal.TosaveRossLodgebeforeandafterrenovationBuiltin1938thelodgewasaone-and-a-half-storybuildingtohousesinglemenwhosharedcommoneatingandloungingareas.Itnowservesasameetingandconferencefacility.