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• CH2M HILL <br /> 2525 Airpark Drive <br /> Redding,CA <br /> 96001-2443 <br /> C H 2 M H I L L Mailing address: <br /> P.O.Box 492478 <br /> Redding,CA <br /> 96049-2478 <br /> October 9, 1998 Tel 530.243.5831 <br /> Fax 530.243.1654 <br /> 144002.33.01 <br /> Ms.Wendy Wyels <br /> California Regional Water Quality Control Board <br /> Central Valley Region <br /> 3443 Routier Road,Suite A <br /> Sacramento,California 95827-3003 <br /> Dear Ms.Wyels: <br /> Subject Response to California Regional Water Quality Control Board Letter Dated October 5,1998 <br /> This letter is a response to your letter dated October 5, 1998,sent to Ms. Leah Goldberg,Hanson <br /> Bridgett,in regard to the Koppel Stockton Terminal.In your letter,you asked for a response by <br /> October 9,1998 on the plan for sampling MW-2 on the Westways/Unocal property. <br /> The participating parties have agreed to sample well MW-2 for the next two quarters to obtain <br /> additional information about the nitrogen concentrations in groundwater in the vicinity of the Koppel <br /> Stockton Terminal.The participating parties will reevaluate the value of the data from MW-2 <br /> following the Spring 1999 sampling event and make a determination at that time with regard to future <br /> sampling of MW-2 or the appropriateness of installing a new well in the vicinity of MW-2. <br /> We will begin sampling MW-2 as part of the fourth quarter 1998 sampling program at the Koppel site. <br /> We will coordinate the sampling with the appropriate Westways personnel. <br /> Please contact me at 530/243-5886,Extension 3328,if you have questions regarding this response. <br /> Sincerely, <br /> CH2M HILL <br /> Gerald Vogt,P.E. <br /> Project Manager <br /> RDD/105resp.doc <br /> c: Miriam Barbonio,Chevron Chemical Company <br /> Sheldon Nelson,Chevron Chemical Company <br /> Dan Munzer,Munco,Inc. <br /> Kirk O'Reilly,Chevron Research and Technology Company <br /> Steve Larson,Cargill,Inc <br /> Burnie Wilhelm,Cargill Fertilizer <br /> Leah Goldberg,Hanson Bridgett <br /> Ken Laconde,SCS Engineers <br />