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-- �1CC* <br /> q p A P a A A T E 0 REPORT OF LABORATORY ANALYSIS <br /> TME ASS pgAMC E OF a AiITV <br /> Mr Kurt Paschl QUALITY CONTROL DATA September 07, 1994 <br /> Page 21 PACE Project Number 440829 <br /> Client Reference #94047 10 Southeastern-Tracy Cold Strg ' <br /> VOLATILE ORGANICS, EPA METHOD 8240 GC/MS <br /> Batch 70 33556 , <br /> Samples 70 0383072, 70 0383080 70 0383099 70 0383102. 70 0383110 <br /> METHOD BLANK , <br /> Method <br /> Parameter Units MDL Blank <br /> Chlorobenzene ug7l- 5— NO '� ' <br /> Ethylbenzene ug/L. 5 ND <br /> Bromoform ug/L 5 ND <br /> Xylene(s) Total ug/L 5 ND ' <br /> Styrene ug/L 5 ND <br /> 1,1,2,2 -Tetrachloroethane ug/L 5 ND <br /> 1 ,3-Dichlorobenzene ug/L 5 ND ' <br /> 1.4-Dichlorobenzene ug/L 5 ND <br /> 1,2-Dichlorobenzene ug/L 5 ND <br /> 1.2-Dichloroethane-d4 (Surrog Recovery % 98 <br /> Toluene-d8 (Surrogate Recovery) % 110 <br /> 4-Bromofluorobenzene (Surrog Recovery) % 107 <br /> SPIKE AND SPIKE DUPLICATE <br /> Spike <br /> Spike Dupl <br /> Parameter Units MDL 700382270 Spike Recv Recv RPD <br /> - is ug/"F-F- im –M __7 <br /> Benzene ug/L 5 ND 20 102% 96% 6% <br /> Trichloroethene (TCE) ug/L 5 ND 20 100% 95% 5%' <br /> Toluene ug/L 5 ND 20 100% 92% 8% <br /> Chlorobenzene ug/L 5 ND 20 91% 91% 0%' <br /> LABORATORY CONTROL SAMPLE AND CONTROL SAMPLE DUPLICATE <br /> Reference Dupl <br /> Parameter Units MDL Value Recv Recv RPD <br /> - i s oroethene u�7 ate" _2T — –M im _'M <br /> Benzene ug/L 5 20 92% 97% 5% <br /> Trichloroethene (TCE) ug/L. 5 20 92% 97% 5X' <br /> Toluene ug/L 5 20 89% 93% 4% <br /> Chlorobenzene ug/L. 5 20 86% 90% 5% <br /> 1 <br /> 1 i 091al orae An Equal Opportunity Employer <br /> Novato CA 94949 <br /> TEL 415$83 6100 <br /> FAX 415 883 2673 <br />