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` Mike McNulty °+ <br /> Union Ict Ltd } <br /> Page 2 <br /> FEB 7 1991 it <br /> � k <br /> ' -status of investigation and cleanup activities including 'the results of all investigations <br /> completed to date; <br /> -proposed continuing or next phase of investigation; r 3 <br />{ -method of cleanup proposed or implemented, schedules'for the completion of the investigation <br /> of the site and remediation; ;1 <br /> -monitoring well data including groundwater elevation, �pH, conductivity, gradient; <br /> -analytical results of groundwater or soil sampling; 4 and <br /> -a site map showing the "zero line" of contamination, if known;i and changes in the above <br /> measurements over the last quarter. <br />�I Please submit an addendum addressing these concerns by February,28, 1991. Along with the addendum <br /> please include pertinent contractor information for all subcontractors, (i.e. re-excavation contractor and <br /> driller contractor); an application for permit to construct monitoring wells; location of production wells <br /> (destroyed and active); and method and date of excavation backfilling. <br /> i` Please contact Eleanor Ratliff, RENS, at (209) 468-3454 with any qul estions regarding this matter. <br /> I � <br /> Jogi Khanna, M.D., M.P.H. <br /> Health Offi <br /> a <br /> ,f <br /> e A. Cotulla, REHS, Program Manager <br /> vironmental Health Division <br /> �i <br /> LAC/ER:nr <br /> c: WHF <br /> P.O. Box 6729 <br /> Modesto, CA 95355-6729 <br /> c: CVRWQCB - Jim Maughan <br /> E' F <br /> 'G <br /> ;6 <br /> �E <br /> V <br /> f <br /> 1 I� <br /> I' <br /> V ;y <br /> .t <br />' •I <br /> IIF <br /> I� <br /> V <br /> I i <br /> V FF <br />