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f ' <br /> +i <br /> I <br /> iwr <br /> -� Project Number; 5FEW MA204 77 <br /> Consultant Protect Number: 16000.206•C44 <br /> ConlrACt N•rmber. N46CWCO244.9-X <br /> Facillry Number: 93465 <br /> Work Order Number: r,006507 <br /> Ae1;ort Issue Date: September 5,1990 <br /> Table 5 <br /> MATRIX SPIKE(MS)RECOVERY REPORT <br /> Purgeabie Aromatics and Total Petroleum Hydrocarbons <br /> as Gasoline in Water <br /> EPA Method 8020/6o15 <br /> Date of Analysis. 08/24/90 Cllent ID: 0806 <br /> Sample Spiked: 0008495-1 B Units: ug/L <br /> -• ____ Sample Concentration Concentration M5 MS, TL cceptability <br /> "nalyte Result Added Recovered Result Recoveimftsl,% <br /> Benzene <0.3 25 26.8 26.8 107 71 -123 <br /> Toluene <0.3 25 26.1 26.1 104 69-120 <br /> Ethylbenzene <0.3 25 26.0 26.0 104 72-121 <br /> Xyfene(total) <0.6 75 78.8 78.8 105 75-i?3 <br /> <# = Not detected at the Indicated detection limit. <br /> 1 n Acceptability limits are derived from the 99%confidence Interval of all samples during the <br /> previous quarter. <br /> GTEL Concord,CA Page 7 of a <br /> C008567,DOC <br /> . T 1L <br /> [NYt*0I4M 18'1AL <br /> 1� tA&0RAI0*1J$, INC <br />