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'* SPL BATCH QUALITY CONTROL REPORT ** PAGE 1 <br /> Modified 8015 - Gasoline <br /> . Matrix: Aqueous Batch Id: NP U941216220300 <br /> Units: mg/L <br /> L A B 0 R A T 0 R Y C 0 N T R 0 L S A M P L E <br /> S P I K E Method Spike Blank Spike QC Limits(**) <br /> C O M P O U N D S Blank Result Added Result Recovery (Mandatory) <br /> <2> <3> <1> % X Recovery Range <br /> Petroleum Hydrocarbons ND 0 9 1.08 120 56 - 139 <br /> M A T R I X S P I K E S <br /> S P I X E Sample Spike Matrix Spike Matrix Spike MS/MSD QC Limits(***) <br /> C 0 M P 0 U N D S Results Added Duplicate Relative % (Advisory) <br /> Result Recovery Result Recovery Difference RPD <br /> <2> <3> <1> <4> <1> <5> Max. Recovery Range <br /> Petroleum Hydrocarbons ND 0.9 0.42 46.7 0.46 51.1 9.00 18 40 - 158 <br /> Analyst- YN • a Values Outside QC Range <br /> Sequence Date: 12/16/94 NC = Not Calculated (Sample exceeds spike by factor of 4 or more) <br /> SPL ID of sample spiked 9412474-06A ND z Not Detected/Below Detection Limit <br /> Sample File ID UU_598 TXO % Recovery o [( <1> - <2> ) / <3> ) x 100 <br /> Method Blank File ID: LCS % Recovery a (<1> / <3> ) x 100 <br /> Blank Spike File ID: UU_585.TXO Relative Percent Difference = 1(<4> - <5> / [(<4> + <5> ) x 0.51 x 100 <br /> Matrix Spike File ID: UU 617 TXO — ('*) Source: SPL-Houston Historical Data <br /> Matrix Spike Duplicate File ID: UU 618.TXO (***) = Source: SPL-Houston Historical Data <br /> SAMPLES IN BATCH(SPL ID): 9412729-05A 9412729-04A 9412729-06A 9412545-03A <br /> 9412545-04A 9412545-05A 9412545-CIA 9412545-02A <br /> 9412475-D4A 9412474-05A 9412474-06A 9412474-07A <br /> . 9412474-D8A 9412474-09A 9412474-10 9412475-OIA <br /> 9412475-0 �41 - A 1 <br /> � I <br /> Ideli illiaw, QC Officer <br />