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A N I EN In <br /> Analytical & Environmental Chemistiy <br /> LABORATORY CONTROL SAMPLES <br /> Method VOLATILE AROMA TICS AND TPH AS GASOLINE BY GC/PID <br /> Date Aquired 10/06/00 <br /> Expressed as mass(ng) <br /> Amount Amount LCS %Rec <br /> Analyte Added Found Rec Limits <br /> Methyl-tort-butyl Ether 40 43 106% 80-130 <br /> Benzene 20 19 97% 85-120 <br /> Toluene 20 20 98% 85-120 <br /> Ethylbenzene 20 20 98% 85-120 <br /> m p-Xylenes 20 19 95% 85-120 <br /> o-Xylene 20 20 101% 85-120 <br /> TPH-Gasoline 1250 1280 102% 65-140 <br /> Surrogates LCS-8020M Batch ID 1006-04 <br /> a a a-TFT-FID 101% 60-130 <br /> 4-BFB-FID 101% 55-150 <br /> 4-BFB-PID 101% 65-140 <br /> Surrogates LCS-GASOLINE Batch ID 1006-05 <br /> a,a,a-TFT-FID 83% 60-130 <br /> 4-BFB-FID 113% 55-150 <br /> 4-BFB-PID 104% 65-140 <br /> }=Values outside of QC limits <br /> LCS Recovery 0 out of 7 outside limits <br /> II _ _� "�\s.J°1�'���n j"��.n, � mil� �_ll�����,✓♦I„�u�-;� <br /> uj- <br /> � III <br /> I <br /> rk nxao <br /> I �3 <br /> j <br /> k l <br /> L <br /> 55 PENNYLANE, SUITE 101 WATSONVILLE, CA 95076 (831) 786-0123 (831) 786-0172 Fax Iglantz@msn cora <br /> �� recy rled p aper <br /> QC-LCS <br />