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CKY DATA <br /> UALITY <br /> ONTROL <br /> LABORATORYQCONTROLCSAMPLE ANALYSIS <br /> CLIENT. Brown & Root EnvironmentaL <br /> PROJECT. Stockton <br /> METHOD EPA 8020 <br /> TRIX. WATER <br /> BATCH NO 95I072 DATE RECEIVED NA <br /> SAMPLE ID LCS1W/LCSIWD DATE EXTRACTED NA <br /> CONTROL N0. VAI2214L/C DATE ANALYZED 09/22/95 <br /> I <br /> ACCESSION 951072 <br /> SAMPLE SPIKE LCS SPIKE LCSD <br /> CONC ADDED CONC LCS ADDED CONC LCSD <br /> Parameter (ug/L) (ug/L) (ug/L) °s REC (ug/L) (ug/L) o REC $ RPD <br /> - - - - ------ - ---- - - - -- - -- - - -- - - <br /> Benzene ND 18 . 00 18 00 1.00 18 00 -19 . 00 - -106 5 <br /> Toluene ND 65 00 64 00 98 65 00 66 00 102 3 <br /> Ethylbenzene ND 19 00 19 00 1.00 19 00 20 . 00 105 5 <br /> Total Xylenes ND 116 113 97 116 119 103 5 <br /> QC LIMIT 70-125 <br /> 70-125 30 <br /> ^Tf�,• !�•r^ •�:.�f1T11"r17 r �nm.�Tr.L+•T-c _ <br />