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•� Civic Center Square <br /> 2444.Main Street, Suite 21 <br /> Fresno, California 937212734 <br /> (559)264-2535 v FAX(559) 2647431 �iE�D9QY�ta.�AO^.� <br /> May 30, 2001 <br /> Project 6508 <br /> Mr. Christopher Cochrane <br /> California Regional Water Quality Control Board <br /> Central Valley Region <br /> 3443 Routier Road, Suite A <br /> Sacramento, California 95827-3003 <br /> Subject: Soil Assessment Work Plan <br /> Former Dole Fresh Fruit—Victor Fruit Operations <br /> Victor, California <br /> Dear Mr. Cochrane: <br /> In response to our recent discussions regarding the soil assessment of the percolation ponds at <br /> the former Dole Fresh Fruit—Victor Fruit Operations in Victor, California, Geomatrix <br /> Consultants, Inc., has prepared this letter to address comments provided by the California <br /> Regional Water Quality Control Board—Central Valley Region (RWQCB) approving the <br /> March 12, 2001, "Work Plan for Soil Assessment." In a March 30, 2001, letter from the <br /> RWQCB, several comments were noted regarding the work plan. To summarize our <br /> discussion regarding the specific RWQCB comments,we have listed the RWQCB comment in <br /> bold italics followed by a summary of our agreed to items/approach. <br /> At two of the six sail borings, soil samples shall be collected at one foot intervals <br /> from the surface to 30 feet below ground level. This sampling procedure should <br /> clearly define the depth that waste(constituents of concern) has migrated through <br /> the soil column. <br /> Two of the six soil borings will be drilled to 30 feet below ground surface (bgs). The <br /> two borings will be continuously cored from the surface to 30 feet below ground level. <br /> Soil samples from the surface and from 2, 5, 10, 15, 20, 25, and 30 feet bgs will be <br /> submitted to the laboratory for analysis of the constituents of concern. The remaining <br /> samples will be stored and will only be analyzed if necessary to refine the extent of <br /> impacted soil. <br /> The analytical method for analyzing the soil samples for constituents of concern is <br /> not specified in the report. We request-that the laboratory use the California WET <br /> with deionized water. <br /> We concur with your recommendation of using the California WET Test with <br /> deionized water(DI-WET) for analysis of the constituents of concern. The <br /> constituents of concern at this site are sulfate and chloride. In addition, soil pH and <br /> electrical conductivity also will be measured as indicators of the constituents of <br /> as aemstrec Carnsu tCants, Inc. <br /> Engineers, Geologists, and Environmental Scientists <br />