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� AN I EN Inc <br /> Analytical & Envtronrrtental Chemistry <br /> LABORATORY CONTROL SAMPLES <br />' Method VOLATILE AROMATICS AND TPH AS GASOLINE BY GC/PID-FID <br /> i <br /> Date Aquired 02/14/99 <br /> Expressed as mass(ng) <br />' Amount Amount LCS %Rec <br /> Analyte Added Found Rec Limits <br /> Methyl-tert-butyl Ether 40 40 100% 80-130 <br />' Benzene 20 21 103% 85-120 <br /> Toluene 20 21 104% 85-120 <br />' Ethylbenzene 20 21 105% 85-120 <br /> m,p-Xylenes 20 21 103% 85-120 <br /> o-Xylene 20 21 105% 85-120 <br /> TPht-Gasoline 1,250 1,236 99% 65-140 <br /> Surrogates LSC 8020M Batch ID 0214-04 <br /> a,a a-TFT-FID 96% 60-130 <br /> 4-BFB-FID 105% 55-150 <br /> 4-BFB-PID 102% 65-140 <br /> Surrogates LSC-GASOLINE Batch ID 0214-05 <br /> a a,a-TFT-FID 93% 60-130 <br /> 4-BFB-FID 106% 55-150 <br /> 4-BFB-PID 108% 65-140 <br /> *=Values outside of QC limits <br /> LCS Recovery 0 out of 7 outside limits <br /> ,]W <br /> 'I,O.nn fiC OR1]A50 <br /> •� ] mW nW <br /> ]WWW <br /> .IC.WNFe,O <br /> 1 •°Illltl]ru <br /> a]] <br /> • �� YV� {4/ <br /> nmr ° e ,dW <br /> 455 RESERVATION ROAD, SUITE G MARINA, CA 93933 0 (408) 883-0123 o FAX(408) 883-0122 <br /> recycled paper <br /> QC-LCS <br />