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gg <br /> _ £t <br /> Proect Number-, <br /> Consultant Project Number. 56000-2500-044472 <br /> Conlracl Number. N46CWCO244.9•X <br /> Facility Number: MIM <br /> Work Order Number: 0010176 <br /> Report Issue Dale: October 10,1990 <br /> Table 3 <br /> INDEPENDENT QC CHECK SAMPLE RESULTS <br /> Purgeable Aromatics and Total Petroleum Hydrocarbons <br /> as Gasoline in Soil <br /> EPA Method 8020/8015 <br /> Date of Analysis: 09/28/90 <br /> Expected Result, Observed Result, Acceptability <br /> Analyte u <br /> Benzene 9/L u9/L Recovery,% Limits,% <br /> 50 47 94 85-115 <br /> Toluene 50 44 <br /> 88 Ethylbenzene 85-115 <br /> a0 48 96 85-115 <br /> — Xylene(total) 1 150 439 <br /> 93 85-i15 <br /> F <br /> i Table 3a <br /> �i . <br /> INDEPENDENT OC CHECK SAMPLE SOURCE <br /> Purgeable Aromatics and Total Petroleum Hydrocarbons <br /> as Gasoline in Soil <br /> EPA method 8020/8015 <br /> Analyte Lot Number <br /> Source <br /> Benzene LA18042 Supelco <br /> Toluene LA18042 <br /> Supelco <br /> Ethylberizene LA18042 <br /> Supelco <br /> Xylene(total) LA18042 <br /> Supelco <br /> ..__._ _. . ........ ...... ... ...... . . ... .. .._._. .. ... .... _... -- - <br /> G i EL Concord,CA Page 5 of 7 <br /> C010176.DOC <br /> A G T E - - <br /> ENV 1 4 O N u 1 V 7 a� <br />