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Laboratory Control Spike Recovery <br /> BTEX. GAS-Soil <br /> APPL ID: 041029S-77877 LCS- 80787 APPL Inc. <br /> Batch ID: $BTXGS-041029A 4203 West Swift Avenue <br /> Fresno, CA 93722 <br /> Compound Name Spike Level SPK Result SPK% Recovery <br /> ug/kg ug/kg Recovery Limits <br /> Benzene 500 466 93.2 48-155 <br /> Ethylbenzene 500 430 86.0 31-150 <br /> Gasoline 5000 4940 98.8 44-148 <br /> MTBE 500 416 83.2 75-130 <br /> Toluene 500 447 89.4 73-131 <br /> Xylenes 1500 1290 86.0 66-136 <br /> ---------------------------------------- ----------------------------------------------- ------------------------------------------------------------------------------- ------------- <br /> Surrogate:a,a,a TFT-FID 22.1 19.0 86.0 54-150 <br /> Surrogate:a,a,a TFT-PID 22.1 19.3 87.3 54-150 <br /> Surrogate:BFB-FID 20.4 19.3 94.6 53-135 <br /> Surrogate:BFB-PID 20.4 20.4 100 53-135 <br /> --------------------- ----------------------------------------- -------------------------------------------------- ----------------------------- ------------------ ------------------ <br /> Comments: <br /> Primary SEK <br /> Extraction Date : 10/29/04 <br /> Analysis Date : 10/29/04 <br /> Instrument : HARPO <br /> Run : 10291-105,291-106 <br /> Initials : RS <br /> Printed: 11/3/04 3:39:41 PM <br /> APPL Standard LCS <br /> 11 <br />