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Mar-1;2-98 09:20P AN/EN, Twc- 408 883 0122 P.OB <br /> A N I EN Inc <br /> Analytical& bivironmental Ci-om s;ry' <br /> VOLATILE AROMATICS & TPH AS GASOLINE BY GC/PID-FID <br /> Batch I.D.: 0311-01.D METHOD BLANK <br /> Date Analyzed: 03/12/98 SOIL <br /> Date Extracted 03/11/98 <br /> Dilution-ext: 1 <br /> Concentration of sample expressed as uglg (ppm). <br /> Analyte , Conc. POL <br /> Methyl-tert-Butyl Ethe ND .5 <br /> Benzene ND _05 <br /> Toluene ND .05 <br /> Ethylbenzene ND .05 <br /> Xylenes-Total ND .05 <br /> TPH-Gasoline ND 5. <br /> POL= Practical Quantitation Limit. <br /> ND =None Detected at or above the POL. <br /> Method blank contains reagent water, surrogate,and 50ul Methanol. <br /> Surrogates Recovery Limits <br /> a,a,a-TFT(FID) 109% 58-127 <br /> 4-BFB(FID) 113% 55-151 <br /> 4-BFB(PID) 106% 68-137 <br /> 455 RESERVATION ROAD, SUITE G •MARINA, CA 93933 • (408) 8830123 • FAX(408) 883-0122 <br /> recydtd Paper <br /> METHOLD BLANK-SOIL <br />