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THE MARLEY COOLING TOWER COMPANY � � ^� `� o <br /> 5800 Foxridge Drive/P.O. Box 2912/Mission, Kansas 66201/Telephone: (913) 362.1818 4 <br /> EN141ROMENTAL <br /> HEALTH <br /> ER v1IT/SERV CES <br /> F <br /> July 7 , 1988 <br /> Mr. Jim Aus ng <br /> Dep rtmen of H lth Services <br /> Tox c Su stances trol Division <br /> 4, Po er Inn Road <br /> Sacr nto, California 95826 <br /> Dear Mr. Austreng: <br /> To expedite completion of remediation of the Stormwater <br /> Retention Pond, The Marley Cooling Tower Company intends to <br /> initiate final closure activities as quickly as possible. As <br /> required by the Remedial Action Order, additional characteri- <br /> zation samples have been gathered and preliminary analytical <br /> results are currently being evaluated. Certain data gaps have <br /> been determined as needing to be addressed to complete characteri- <br /> zation of the Pond. Through an Engineering and Environmental <br /> Analysis of alternatives ( as suggested by General Requirement <br /> 3 .0 of Exhibit E) we intend to show that closure of the Pond <br /> with waste materials remaining in the Pond will meet short-term <br /> and long-term effectiveness criteria for public health and <br /> environmental protection as well as other applicable or relevant <br /> and appropriate requirements. <br /> The available groundwater data show that only hexavalent <br /> chromium has impacted the groundwater. Although monitoring <br /> wells have not been routinely analyzed for copper and arsenic, <br /> three of the wells on the site were analyzed in January 1988 <br /> for these constituents . Extremely low detection limits were <br /> used for these analyses. The results obtained were as follows <br /> ( chromium concentration ranges are from the Phase III Ground- <br /> water Assessment Report) : <br /> MARL/Er <br /> the 4 <br /> COOLING TOWER <br /> company <br />