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0 • <br /> CKY QUALITY CONTROL DATA <br /> LABORATORY CONTROL SAMPLE ANALYSIS <br /> CLIENT: CKY Environmental Services <br /> PROJECT: Tracy Auxiliary Airfield #8814 <br /> METHOD: EPA 8020 <br /> MATRIX: SOIL <br /> g MOISTURE: NA <br /> BATCH NO. : 95H152 DATE RECEIVED: NA <br /> SAMPLE ID: LCS1S/LCSISD DATE EXTRACTED: NA <br /> CONTROL NO. : VAH2507SL/C DATE ANALYZED: 08/31/95 <br /> ACCESSION: 95H139 95H152 <br /> SAMPLE SPIKE LCS SPIKE LCSD <br /> CONC ADDED CONC LCS ADDED CONC LCSD <br /> PARAMETER (ug/kg) (ug/kg) (ug/kg) °s REC (ug/kg) (ug/kg) °s REC °s RPD <br /> -------- ------ ------ ------ ------ ------ ------ ------ ------ <br /> Benzene ND 20 . 00 20 . 70 104 20 . 00 21 . 30 107 3 <br /> Toluene ND 20 . 00 20 .20 101 20 . 00 20 . 80 104 3 <br /> Ethylbenzene ND 20 . 00 19 . 90 100 20 . 00 20 .50 103 3 <br /> Total Xylenes ND 60 . 00 60 .20 100 60 . 00 61 . 80 103 3 <br /> QC LIMIT: 70-125 70-125 40 <br /> 'i CKY INC.,ANALYTICAL LABORATORIES, 630 Maple Ave.,Torrance.Calif.90503 Tel.(310)618.8889 Fax:(310)618-0818 <br />