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t <br /> Entech Analytical Labs, Inc. 525 Del Rey Avenue,Suite E <br /> .4 <br /> Sunnyvale,CA 94086 <br /> QUALITY CONTROL RESULTS SUMMARY <br /> Volatile Organic Compounds <br /> r QC Batch#: SGCMS990323 Date analyzed: 03/23/99 <br /> Matrix: Soil Spiked Sample: Blank Spike <br /> Units: µg/Kg <br /> PARAMETER Method# : SA SR SP SP SPD SPD RPD QC LIMITS <br /> 1 <br /> K K K K o o <br /> r <br /> Ng/ $ � 11� $' <br /> pg/Kg' /aR . µg/ g' /oR ; RPD /oR <br /> 1,1=Dichloroethene 18240/82601 25 1 ND 1 26 1 ,302 1 26 1 103 1 0.8 1 25 1 50-150 1 <br /> 1 1 1 1 1 1 1 1 i 1 r 1 <br /> 1MethyE-Cert-butyl ether 18240182601 25 1 ND 27 1 106 1 26 1 103 2.7 1 25 1 50-150 1 <br /> Werizene ;8240/8260; 25 ; ND 28 ; 110 ; 28 ; 110 ; 0.0 ; 25 ; 50-150 <br /> 'Trichloroethene 18240/82601 25 1 ND 1 25 11 .1.02 1 25 1 100 1 I.2 1 25 1 50-150 1 <br /> 1 1 i I 1 <br /> 11 1 1 1 + <br /> 'Toluene 1824018260 f 1 i 1 25 1 ND 1 27 1 109 1 27 1 109 1 0.0 1 25 1 50-150 ; <br /> 1 y r r 1 1 f 1 1 1 1 r r j <br /> lChlorobenzene 1 8240/82601 25 1 ND 1 29 1 -118 1 29 1 116 1 1.0- 1 25 1 50-150 <br /> I <br /> I <br /> Noie: LCS and LCSD results reported Jor the following Parameter: <br /> k <br /> fl <br /> Definition of Terms: <br /> na: Not Analyzed in QC batch <br /> SA: Spike Added <br /> SR: Sample Result <br /> RPD(%): Duplicate Analysis-Relative Percent Difference <br /> SP: Spike Result <br /> SP(%R): Spike% Recovery <br /> SPD: Spike Duplicate Result <br /> SPD(%R): Spike Duplicate%Recovery <br /> NC: Not Calculated <br /> i <br />