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°- Engineers <br /> Planners CASE NARRATIVE FOR <br /> Economists BTEX & TFH GAS <br /> Scientists <br /> LABORATORY: CH2M HILL CLIENT Del Monte - DISCO <br /> CASE NO N/A CONTRACT NO. :' N/A <br /> LAB ID 30710 SDG # N/A <br /> I. RECEIPT <br /> f ; <br /> A. Date: September 5, 1991 <br /> B. LAB CLIENT SAMPLE DATE EXTRACTION ANALYSIS <br /> ID ID MATRIX SAMPLED DATE DATE <br /> I 30710001 MW-DIS-5 Water 9/4/91 N/A 9/14/91 <br /> 30710002 MW-DIS-6 Water 9/4/91 N/A 9/14/91 <br /> 30710003 MW-DIS-7S Water 9/4/91 N/A 9/14/91 <br /> j 30710004 MW-DIS-1 Water 9/4/91 N/A 9/16/91 <br /> 30710004-DL MW-DIS-1-DL Water 9/4/91 N/A 9/17/91 <br /> 30710005 MW-DIS-2 Water 9/4/91 N/A 9/17/91 <br /> I 30710006 -MW-DIS-3 Water 9/4/91 N/A 9/17/91 <br /> 30710007 TB Water 9/4/91 N/A 9/13/91 <br /> Documentation <br /> C. Exceptions None encountered. <br /> II. EXTRACTION <br /> A. Holding Times: Medium level protocol was not performed, <br /> therefore, holding time is not applicable. <br /> j Extraction <br /> B. Exceptions Not applicable. <br /> i <br /> III. ANALYSIS <br /> f <br /> A. Holding Times: Holding times were met. <br /> Analytical <br /> B. Exceptions Due to the concentrations of target compounds in <br /> sample 30710-4 (MW-DIS-1) ; this sample was <br /> 1 analyzed at two dilutions to obtain detector <br /> responses within the linear calibration range of <br /> the instrument. The results of both analyses are <br /> included for your information. <br /> j as32 <br /> CH2M HILL Redding Quality Analytical Laboratories 5090 Caterpillar Road,Redding,California 96003 916.244.5227 <br />