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Cf y�.tl.R :k'kY4rs- .ffi: uM w y�h ilo. ��r�, �,�+ry,y'G -2 5d -. �'T.$• n. <br /> .F!: "`TyLad � <C�`�:h���l"•� 1y�r�°' ,';'e�+Ra_y- ,°UBill <br /> �a� <br /> r. <br /> Prosct Number. SFB-1750'64.72 <br /> Conwllant P"Ime"W,*J=r: 203.175329, <br /> ContractNur,tbor N46CWC6244-9-x <br /> Facility N.ambar, Q ow <br /> Worb Order Number. DD64127 <br /> NPOrt h"Data; Apa to,19M <br /> Table 5 <br /> MATRIX SPIKE(MS)AND MATRIX SPIKE DUPLICATE(MSD RECOVERY <br /> AND RELATIVE PERCENT DIFFERENCE(RPD)FRORT <br /> bla Aromatics In Soil <br /> MODIFIED IED EPAt METHOD 8020 <br /> Date of Analysis: 04/07/90 <br /> Sample Used; D004126.06 <br /> Units: mg/Kg <br /> Analyte esuit Concentratio MS MS % M <br /> n Added Result Recovery Rest RSD, % <br /> Benzene <0.005 2.85 ecovery <br /> Toluene 2.24 79 2.24 79 <br /> <0.005 2.85 2.52 88 2.45 <br /> Ethylbenzene <0.005 2.B5 86 <br /> X fens total 62.49 87 222 78 <br /> <0.0i5 8. 7 7.01 •.__ <br /> Analyte RPI],% Maximum RPD,3y Acceptabll)ty°Urnitsl + <br /> Benzine 0 cz ReE-overy J <br /> Toluene 2 30 50-112 <br /> Ethylbenzene 30 50-108 <br /> 11 30 50-113 <br /> X ene total 5 <br /> 30 <br /> 50-114 <br /> <# = Not Detected at the Indicated detection limit <br /> 1 = Acceptability limffs are derived from the 99%confidence Interval of all samples during the pre- <br /> vious quarter. <br /> i' <br /> GTE(.Concord,CA <br /> D004127.DOC Pape 6 of a <br /> JIGTEL <br /> fjM ENV rPONMJW1AI <br /> IAIQRAtCRIii. INC. - <br />