Laserfiche WebLink
n ' <br /> 1,2-dichloroethane The addresses of these wells are as follows 495 <br /> Airport Way, 17717 Airport Way, 17821 Airport Way, 17883 Airport Way, <br /> 17886 Airport Way, 17899 Airport Way, 17904 Airport Way, 17911 <br /> Airport Way, 17926 Airport Way, 17933 Airport Way, and 17950 Airport <br /> Way Although the well located at 17971 Airport Way contained <br /> detectable concentrations of MTBE, the property owner requested that no <br /> system be installed on this well <br /> With the exception of 17950 Airport Way, the MTBE concentrations are <br /> relatively low and the wellhead treatment systems consist of granular <br /> activated carbon units placed in series using the existing well pumps Due <br /> to the higher MTBE concentrations in groundwater at 17950 Airport Way, <br /> a water softener and residential air stripper were placed to pre-treat <br /> water prior to treatment with a series of activated carbon units <br /> -5 -2 Hydrocarbon Mass Removed During System ODeration <br /> Since only very low MTBE concentrations have been detected in the <br /> domestic wells other than 17950 Airport Way, the amount of MTBE mass <br /> removed from these wells would be expected to be negligible In addition, <br /> no flow meters are present on the domestic wells, so it is not possible t o <br /> • calculate the mass of MTBE removed from these wells <br /> 5 - 3 System Effectivenes <br /> These wellhead treatment systems operate to clean the water at t h e <br /> residential wells Since these systems began operation, they have been <br /> 100% effective at removing MTBE from water prior to residential use <br /> -5 -4 Recommendations _Re�Zardina the Domestic Wellhead System <br /> The wellhead treatment systems have operated as designed, and since the <br /> operation began MTBE has never been detected in any of the effluent <br /> water samples ASE recommends the continuation of these wellhead <br /> treatment systems until such time that MTBE is no longer detected in t h e <br /> influent water samples <br /> 46 <br /> Frank's One Stop Interim Effectiveness Report -- November 2003 <br /> -6- <br />