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- _ _ =µ i.. ���',��,�. •}�•�_.,���=.fit- <br /> C E R T I F I C A T E O F A N A L Y S I S <br /> LABORATORY NO. : 83945 DATE RECEIVED: 09/19/91 <br /> CLIENT : GROUNDWATER TECHNOLOGIES INC. DATE REPORTED: 09/20/91 <br /> CLIENT JOB NO. : 020301211-051003 <br /> ANALYSIS FOR TOTAL PETROLEUM HYDROCARBON <br /> by MODIFIED EPA SW-845 METHOD 5030 and 8015 <br /> LAB Concentration (mg/Kg) <br /> # Sample Identification Gasoline Range <br /> -- ----------- <br /> ND< 1 <br /> 1 TRENCH-1 2100 <br /> E 2 TRENCH-2 <br /> mg/Kg - parts per million {ppm} <br /> ' Method Detection Limit for Gasoline in Soil : <br /> 1 mg/Kg <br /> QAQC Summary: <br /> Daily Standard run at 2mg/L: RPD Gasoline = < 15 <br /> MS/MSD Average Recovery = 99 %: Duplicate RPD =• .2 <br /> 7 <br /> Richard Srna, Ph . D. <br /> Laboratory Director <br /> s <br /> l Certified Laboratories <br /> 1 <br />