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1 TestAmerica <br /> ANALYTICAL TESTING CORPORATION <br />' 1860 FUS1kY(HGII Ham DNIVE • N1Sff11LLH TkNwk ,,kk JU-04 � <br /> • 800-765 0880 • 625-726 3404 FAx <br /> 1 <br /> 1PROJECT QUALITY CONTROL DATA <br /> Project Number: <br />'Project Name: EXXONMOBIL 7-3942 <br /> Page: 2 <br /> Laboratory Receipt Date: 9/24/04 <br /> 1 <br />' Laboratory Control Data <br /> Analyte units Known Val Analyzed Val t Recovery Target Range Q C Batch <br /> 1 --------------- ------- ---------- ------------ ---------- ------------ --------- <br /> **UST PARAMETERS** <br /> Benzene mg/kg 0 100 0 0931 93 72 - 124 8540 <br /> Toluene mg/kg 0 100 0 102 102 49 - 152 8540 <br /> Toluene mg/kg 0 100 0 101 101 49 - 152 9316 <br />' Ethylbenzene mg/kg 0 100 0 101 101 72 - 126 8540 <br /> Ethylbenzene mg/kg 0 100 0 101 101 72 - 126 9316 <br /> Xylenes total mg/kg 0 200 0 203 102 75 - 122 8540 <br />' Xylenes total mg/kg 0 200 0 198 99 75 - 122 9316 <br /> TPH (Gasoline Range) mg/kg 10 0 11 1 111 74 - 127 8540 <br /> TPH (Gasoline Range) mg/kg 10 0 9 71 97 74 - 127 9316 <br />' **VOA PARAMETERS** <br /> Methyl-t-butyl ether mg/kg 0 0500 0 0560 112 67 - 138 6561 <br /> VOA Surr 1 2-DCAd4 I Rec 91 72 - 134 6561 <br /> VOA Surr Toluene-de 5 Rec 93 76 - 122 6561 <br />' VOA Surr 4-BFB Rec 116 60 - 138 6561 <br /> VOA Surr DBFM $ Rec 93 75 - 137 6561 <br />' Duplicates <br /> Analyteunits Orig Val Duplicate RPDLimit Q C Batch Sample Dup'd <br /> --------------- <br /> - - - - <br /> Blank Data <br /> IAnalyteBlank Value Units Q C Batch bate Analyzed Time Analyzed <br /> i --------------- ------------ --------- ---------- ------------- ------------- <br /> **UST PARAMETERS** <br /> Benzene c 0 0009 mg/kg 8540 10/ 1/04 11 17 <br /> Toluene s 0 0004 mg/kg 8540 10/ 1/04 11 17 <br /> Protect QC continued <br />