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Project Number: SF13-}75{120.1.72 <br /> Consultant ProAcl Numb(w 16000-2M44 <br /> Contract Numb r: %4GC%1vC4)244-G.X <br /> Facilky Numbor: 98165 <br /> Wof; Order Number: D004317 <br /> Raoort Issue Dala: April 18,1990 <br /> Table 5 <br /> MATRIX SPIKE(MS)RECOVERY REPORT <br /> Purgeable Aromatics In Water <br /> MODIFIED EPA METHOD 602 <br /> Date of Analysis: 04/16/90 Client ID: M019 <br /> Sample Spiked: D004317-05 Units: ug/l. <br /> Sample Concentration Concentration MS.% M Acceptability <br /> Analyte Result Added Recovered MS Result Recovery !_Emits,t % <br /> Benzene <0.3 25 24.2 24.2 97 71 -123 <br /> Toluene <0.3 25 23.3 23.3 93 69-120 <br /> Ethylbenzena <0.3 25 24.3 24.3 97 72-121 <br /> X�ene total <0.6 75 78.$ 76.$ 102 75-123 <br /> <#= Not detected at the Indicated detection limit. <br /> 1- Acceptability limits are derived from the 99%confidence Interval of all samptea during the pre- <br /> vious quarter. <br /> :r <br /> GTEL Conccrd,CA Page 6 of <br /> D004317.po'„ i G T E L <br /> - <br /> :uor.rnr,e: n.e <br /> r,� <br />