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Entech Analytical Labs,Inc. 525 Del Rey Avenue,Suite E <br /> Sunnyvale,CA 94086 <br /> QUALITY.CONTROL-RESULTS SUMMARY <br /> Volatile Organic Compounds <br /> LaboratoryControl.Sample <br /> QC Batch#: .SMS000426 F Date analyzed: 04/26/00 <br /> Matrix: Solid Spiked Sample: Blank Spike <br /> Units: 4 /kg <br /> PARAMETER Method# SA SR SP SP SPD SPD RPD '_. QC LIMITS <br /> 48/kg la8�kg µg/kg %R Ng/kl;' 01°R RPD ; .. <br /> -11,1-Dichloroethene -�� 8240/8260' 1 25. ND 1 21.2 �1 1 85 :: 21.3 .� � 85 0.5 25 65-13.5 -- <br /> 1 1 , 1 ! 1 1 1 <br /> 1 ! 1 � 1- 1- 1 I 1 1 1 1 ! <br /> Benzene ; 8240/8260 25 ND 26.3 ; 105 1 . 26.0 ; 104 ; 1.1 ; 25 ; .65-135 ; <br /> 1 1 I 1 ! <br /> ;Trichloro '1 ethene ; 8240/8260 25. ND 1. ..25.6 ; 102- 1- 1 1; 25.8 103 ; 0.8 ; 25 65-135. ; <br /> Toluene 8240/8260 1 25 1 ND .1 26.5 1 106 1 27.0 .1 108 L9 25 1 65-135 1 <br /> +.Chlorobenzene + <br /> 8240/8260. 1 25 1 N 1 25.7 103' ,1 26.4 1 106 � 2.7 � 25 � 65-135 ; <br /> + - t 1 1 1 1 1 1 1 F I t <br /> ! <br /> !Surrogates p g Surra ates + 1 1 1 1 1 1 1 1 <br /> I 1 1 1 1 1 1 I 1 I I <br /> 1 1 1 1 � , I 1 1 1 <br /> .:Toluene-d8, ; 8240/8260 ; ; 102% ;- '95% 100% 1 i i 65-135 ; <br /> - 1 <br /> ;Dibromoftuoromethane 824018260. F ;_'104% 1' 97%" 1 102% 65-135 <br /> G ..4-Bromofluorobenzene 8240/8260 i i 102% 1 93% 1 1 101% i 65-135 I <br /> � - 1 1 F I I 1 1 1 1 1 <br /> 1'1,2-DichloroethaneA4 8240/8260 l 1 107% ; 101% 1 i i. 103%° ; 1 65-135 ; <br /> E <br /> jDefinition of Terms: <br /> na: Not Analyzed in QC batch <br /> r 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 /> 1.� <br /> I <br />