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pace, REPORT OF LABORATORY ANALYSIS <br /> 7NY A 5 S U R A NCE OF 0UA4+TV <br /> Mr Kurt Paschl QUALITY CONTROL DATA August 11, 1994 <br /> Page 12 PACE Project Number 440803 <br /> j' <br /> Client Reference. Southeastern-Tracy,CA R/A #2196 <br /> VOLATILE ORGANICS, EPA METHOD 8240 GC/MS <br /> Batch: 70 32614 <br /> Samples 70 0364140 <br /> METHOD BLANK: <br /> Method <br /> Parameter Units MDL Blank <br /> C oro enzene -Ug--/T 5 NO— <br /> Ethylbenzene ug/L 5 NO <br /> Bromoform ug/L 5 NO <br /> Xylene(s) Total ug/L 5 NO <br /> Styrene ug/L 5 ND <br /> 1 ,1,2,2,-Tetrachloroethane ug/L 5 NO <br /> 1 ,3-Dichlorobenzene ug/L 5 NO r <br /> 1,4-Dichlorobenzene ug/L 5 NO <br /> 1,2-Dichlorobenzene ug/L 5 ND ti <br /> 1,2-Dichloroethane-d4 (Surrog. Recovery % 96 <br /> Toluene-d8 (Surrogate Recovery) % 97 <br /> 4-Bromofluorobenzene (Surrog.Recovery) % 104 <br /> �l <br /> SPIKE AND SPIKE DUPLICATE: <br /> Spike <br /> Spike Dupl , <br /> Parameter Units MDL 700361079 Spike Recv Recv RP <br /> 1,1-DicFiToroethene Ug/7F 5— NU 2b -- TM T 8 <br /> Benzene ug/L 5 NO 20 99% 106% 7 <br /> Trichloroethene (TCE) ug/L 5 NO 20 95% 103% 80 <br /> Toluene ug/L 5 NO 20 95% 103% 8% <br /> Chlorobenzene ug/L 5 NO 20 97% 105% 81 <br /> LABORATORY CONTROL SAMPLE AND CONTROL SAMPLE DUPLICATE: <br /> Parameter <br /> Reference Dupl <br /> Units MDL Value Recv Recv RPD <br /> I,7-6:c�iToroethene ugh 5-- 20 ` ` T x`69 <br /> Benzene ug/L 5 20 103% 103% 0 <br /> Trichloroethene (TCE) ug/L 5 20 102% 101% 1 <br /> Toluene ug/L 5 20 101% 100% 1% <br /> Chlorobenzene ug/L 5 20 103% 103% 01 <br /> 7 <br /> 11 Oignal Owl An Equal Opportunny Employer <br /> Novato CA 94949 <br /> TEL 415 883 0100 <br /> GAx 415 883 2673 <br />