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1. N <br /> ¢Aub-1.9-97 02 : 52P Mashpee DPW 508-539--3894. P.05 <br /> &CURRAN <br /> Engineering Science Operations <br /> Mr.Gregory Taylor, PE <br /> April 2, 1997 <br /> Page 4 <br /> d from 7.S b in 1992 to 33 ppb in 1997. Assuming an average flow rate of 11 o feet per year, <br /> increase FP <br /> theP lune has advanced about another 550 feet in the direction of the pond during this 5 year period. <br /> The contaminated roundwater plume emanating from the JBT is known to pose a significant risk to the <br /> g <br /> public as a drinking water source, is migrating at a rate of 110 feet/year towards wakehy--Mashpee.pond <br /> p <br /> and <br /> the Town of Mashpee, and no active intervention/treatment of the plume has occurred. The MaDEP <br /> has indicated that additional work is planned to further define the extent of the groundwater <br /> contamination and construct the groundwater remediation systenn. However,the schedule for these <br /> events is not known. <br /> We recommend that a meeting be held with the MaDEP to address the following: <br /> l. <br /> Update on the February 1997 Groundwater Sampling results an.d interpretation of the <br /> significance of those results. <br /> ?. MaDEP'sroe osed approach acrd schedule to corrsplete determination of the aerial and vertical <br /> P p PF • <br /> extent of the groundwater glume. <br /> 3. MaDE 's ro osed a roach a*d schedule for construction of the groundwater reme-Ovation <br /> p P PP <br /> sys,te!I■. 3 <br /> to be of assistance with you on this rnatt4r. If you should have questions regarding 1 <br /> J. <br /> 1t has been a pleasure <br /> this letter, please do not hesitate to call. <br /> 3� <br /> yyS <br /> `F <br /> Tk <br /> Sincerely, ,, <br /> wOODARD& CURRAN INC. �F <br /> k <br /> 5 <br /> l <br /> William R. Fisher, FE <br /> ik <br /> Vice President <br /> IL <br />