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= A ' <br /> UNITED STATES ENVIRONMENTAL PROTECTION AGENCY <br /> 14 REGION Ix <br /> 75 Hawthorne Street <br /> San Francisco, Ca. 94105-3901 <br /> May 21. 1993 <br /> Marshall Cloud <br /> DDRW-Tracy <br /> P.O. Box 960001 <br /> Stockton, CA 95296-0250 <br /> RE: Defense Distribution Region West, Tracy (DDRW-Tracy) <br /> Draft Well Monitoring Program Work Plan Addendum for Well Redevelopment <br /> Dear Marshall: Plan Addendum <br /> Thank you for the Draft Well Monitoring PTogra Wa son letter darted May 6.(1993, <br /> Redevelopment, transmitted to EPA under Montgomery issue and agrees with [I,c <br /> EPA supports the attempt to resolve the ongoing turbidity the <br /> plan for well <br /> wells LM4. <br /> evaluation of those wells listed under Options 2 and 3 of the propose P performance redevelopment.CUnder Option 4, EPA recommends redeveloping• ata minimum, <br /> LM28, LM29, and LM30. These are all interim remedial measure (IRM) P s going into and out of <br /> monitoring wells, and it is important tovaecTe om e d redeveloping etelY measure the lxtrraction 9errformancc <br /> the ]RM system. <br /> well For LM103cthat hadsame aapparent turbidity problems in the January <br /> 93 <br /> monitoring <br /> monitoring round well <br /> We have been informed that the abandoning andcontrct. The replacement of monitoring <br /> LM3 is under(rep ext emcly amPo ranreplacement <br /> I to the overall remedial inve tigatoon/feasibilit% <br /> is <br /> data in t <br /> study effort. <br /> Please contact me at (415) 744-2392, should you have any questions. <br /> Sincerely, <br /> V l/I I'6'4�- <br /> Michael Work <br /> Federal Enforcement Section I (H-9-1) <br /> Office of Superfund <br /> cc: (See Distribution List) <br /> Printed on Recycled Paper <br />