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• 's. c <br /> CKY QUALITY CONTROL DATA <br /> LABORATORY CONTROL SAMPLE ANALYSIS <br /> CLIENT. Brown & Root Environmental <br /> PROJECT. Brown & Root - 3003-05 <br /> METHOD. EPA 8020 <br /> MATRIX WATER <br /> BATCH NO. 95LO74 DATE RECEIVED NA <br /> SAMPLE ID LCS1W DATE EXTRACTED NA <br /> CONTROL NO L074-LlW DATE ANALYZED 12/22/95 <br /> ACCESSION. 95LO74 <br /> TRUE VALUE FOUND VALUE LCS RECOVERY <br /> PARAMETER (ug/L) - (uJ/L) ( o ) <br /> Benzene 20 . 00 17 . 40 87_ <br /> Toluene 20 00 19 . 40 97 <br /> Ethylbenzene 20 . 00 17 50 88 <br /> Total Xylenes 60 00 53 . 30 89 <br /> QC LIMIT <br /> 70-125 <br /> CKY INC, ANALYTICAL LABORATORIES, 630 Maple Ave Torrance Calif 90503 Tel (310)618-8889 Fax (310)618-0818 <br />