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r <br /> a <br /> - #P <br /> AIR, WATER and HAZARDOUS WA: LAOORATORY CERTIFIED by CALIFO' 'IA DEPT of FfEALTH SERVICE. <br /> - ; Coast-ta- Coast-to-Coast Lab Number: OS08161 <br /> Coast Analytical Services, Inc. Collected: <br /> Analytical 141 Suburban Road , Suite C-4 Received: <br /> Services San Luis Obispo, Colifornio 93491 Tested: p8/16/91 <br /> (805) 543-2553 Collected by: <br /> _. FUEL FINGERPRINT ANALYSIS <br /> CAL DHS (TPH Draft) Method A EPA Method 8240/8260-(Gc/MS) <br /> Extracted by EPA Method 5030 (purge-and-trap)** <br /> SAMPLE DESCRIPTION: <br /> CCAS-BENICIA Roasted Soil Spiked to 1.42ppm with <br /> Unleaded Gasoline <br /> Compound Analyzed *PQL Expected Actual Percent <br /> mg/kg in mg/kg in mglkg Recovery <br /> ------------------------------------------------------------------------ <br /> Benzene 0.005 0.055 0.052 95% <br /> Toluene 0.005 0.18 0.13 729� <br /> Ethylbenzene 4.005 0.029 0.026 90% <br /> Xylenes 0.005 0.25 0.21 84% <br /> 1,2-Dichloroethane (EDC) 0.005 not spiked not found n/o <br /> Ethylene Dibromide (EDB) 0.005 not spiked not found n/o <br /> -------•---------------------- <br /> Total Purgeable Petroleum Hydrocarbons <br /> (Gasoline) 0.5 1.42 1.21 85% <br /> (Jet Fuel, Stoddard Solvent, Diesel N2, <br /> Kerosene, Mineral Spirits) not spiked n/a n/a <br /> BTX as a Percent of Total Fuel 32% n/a <br /> Percent Surrogate Recoveries 107/g8/107 <br /> *Practical Quantitation Limit <br /> **Soil sonicated during extraction <br /> Constituents reported as "not found" would have been reported if present <br /> at or above the listed practical quantitation limit. <br /> Respectfully submitted, <br /> COAST-to-CO AS�ALYT ,r,AL ERVICES <br /> Mary Hav cek, Ph.D. <br /> President <br /> Incas 50-8/16 <br /> QS8161GS.wr1/FFP88 <br /> MH/gb/hc <br />