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� <br /> Test erica <br /> I N C O A F O R A T E <br /> • <br /> PROJECT QUALITY CONTROL DATA <br /> Project Number: <br /> Project Name: EXXONMOBIL 7-3942 <br /> Page: 2 <br />' Laboratory Receipt Date: 12/20/02 <br />' Matrix Spike Duplicate <br />' Analyte units-- Orig Val Duplicate --RPD---- Limxt Q C Hatch <br /> Xylenes (Total) mg/l 0 101 0 3.02 0 99 19 5082 <br /> Methyl-t-butylether mg/l 0 0516 0 0518 0 39 23 2478 <br /> Methyl-t-butylether mg/l 0 0525 0 0534 1 70 23 5082 <br /> TPH (Gasoline Range) rag/l 1 08 0 976 10 12 22 2478 <br /> TPH (Gasoline Range) mg/l 1 07 0 982 8 SB 22 5082 <br /> BTEx/GRD Surr a a a-TFT W Recovery 101 2478 <br /> BTEX/GRO Surr a,a,a-TFT % Recovery 100 5082 <br /> VOA Surr 1 2-DCA-d4 I Rec 95 61$7 <br /> VOA Surr 1,2-DCA-d4 I Rec 92 6159 <br />' VOA Surr Toluene-d8 Rec 93 6157 <br /> VOA Surr Toluene-d8 Rec 97 6159 <br /> VOA Surr, 4-BFB Rec 101 6157 <br />' VOA Surr 4-BFB Rec 101 6159 <br /> VOA Surr DBFM Rec 99 6157 <br /> VOA Surr, DSFM Rec 96 6159 <br />' Laboratory Contzol Data <br /> Analyte units Known Val Analyzed Val Recovery Target Range Q C Batch <br /> --------------- <br /> ------- ---------- ------------ ---------- ------------ --------- <br /> **UST PARAMETERS— <br /> Benzene mg/l 0 100 0 114 114 74 - 124 2478 <br /> Benzene mg/l 0 100 0 113 113 74 - 124 5082 <br /> Toluene rig/l 0 100 0 106 108 74 - 121 2478 <br /> Toluene ag/l 0 100 0 106 106 74 - 121 5082 <br />' Ethylbenzene mg/l 0 100 0 103 103 75 - 123 2478 <br /> Ethylbenzene mg/l 0 300 0 103 103 75 - 123 5082 <br /> Xylenes (Total) mg/l 0 200 0 206 103 72 - 120 2478 <br />' Xylenes (Total) mg/1 0 200 0 203 102 72 - 520 5082 <br /> Methyl-t-butyletherng/1 0 100 0 105 105 64 - 128 2478 <br /> 0,:..]ect QC continued <br /> I <br />' ?900 f o I IN 37 "f < - 'Ii-I 1 7 7 1 1 )-[_'h-f}9 4 / 93(}fl-7 0)-098 <br />