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A N / EN Inc <br /> Analytical & Environmental Chemistry <br /> VOLATILE AROMATICS & TPN - GASOLINE BY GC/PID-FID <br /> Client Project/l D 3374.10 HEINZ -TRACY <br /> Laboratory I D 5655-02 Sample I D UST1-5 <br /> Batch I D 0310-11 D <br /> Date Sampled 03/09/98 Date Extracted 03/10/98 <br /> Date Received 03/10/98 Date Analyzed 03/10/98 <br /> Matnx Soil Dilution-ext 50 <br /> Concentration of sample expressed as ug/g (ppm) Analyst �I <br />' Analyte Conc PQL <br /> Methyl-tert-Butyl Ether ND 25 <br /> Benzene ND 25 <br /> Toluene 32 2 5 <br /> Ethylbenzene 37 25 <br /> Xylenes-Total 37 2 5 <br /> TPH-Gasoline 3,100 250 <br /> PQ!_ = Practical Quantitation Limit <br /> NO = None Detected at or above the PQL <br /> Methanol extraction150ul max methanol purge <br /> Surrogates Recovery Limits <br />' a,a,a-TFT(FID) 101% 58-127 <br /> 4-BFB(FID) 107% 55-151 <br />' 4-BFB(PID) 94% x�. . 68-137 <br /> 4,P 111 • �ail '� i <br /> 455 RESERVATION ROAD SUITE G • MARINA, CA 93933 • (408) 883-0123 + FAX (408) 883-0122 <br /> recycled paper <br /> SAMPLE RESULTS - SOIL <br />