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OWN <br /> a e:: :hy1 nT� <br /> Superior <br /> { Analytical Laboratory <br /> Gasoline Range Petroleum Hydrocarbons and BTXE <br /> by EPA SW-846 5030/8015M/81)20 <br /> Gasoline� Range quantitated as all compounds from C6-C10 <br /> Quality Assurance and Control Data <br /> Laboratory Number: 20889 <br /> Compound Sample SPK Level SPCC Result Recovery Limits RPD <br /> conc. <br /> For Water Matrix (ug/L) <br /> CB161.05 02 / - Laboratory Control Spikes <br /> i <br /> Benzene 20 18 90 65-125 <br /> Toluene 20 18 90 65-125 <br /> Ethyl Benzene 20 18 90 65-125 <br /> Total Xylenes 60 55 92 65-125 <br /> Surrogate Recoveries ( } <br /> Trifluorotoluene (SS) 96 50-150 <br /> For Water Matrix (ug/L) <br /> CB161.05 03 / - Laboratory Control Spikes <br /> Gasoline Range 2000 1700 85 65-135 <br /> For Water Matrix (ug/L) <br /> CB161.05 04 / 05 - Sample Spiked: 20914 _ 01 <br /> Benzene ND 20 20/20 100/100 65-125 0 <br /> Toluene ND 20 21/20 105/100 65-125 5 <br /> Ethyl Benzene ND 20 20/20 100/100 65-125 0 <br /> Total Xylenes ND 60 64/63 107/105 65-1.25 2 <br /> >> Surrogate Recoveries (t) « <br /> Trifluorotoluene (SS) 94/94 50-150 <br /> For Water Matrix (ug/L) <br /> CB161.05 06 / 07 - Sample Spiked: 20914 - 01 <br /> Gasoline—Range ND 2000 1900/1800 95/90 65-135 5 <br /> Page 4 of 5 <br />