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** SPL BATCH QUALITY CONTROL REPORT ** HOUSTON LABORATORY <br /> California LUFT Manuat for Gasoline 8880 INTERCHANGE DRIVE <br /> O HOUSTON, TEXAS 77054 <br /> PHONE(713)660-0901 <br /> Matrix: Aqueous Batch Id:' HP 5980115124300 <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 /> Gasoline Range Organics ND 1.0 0.88 88.0 64 - 131 <br /> M A T R I X S P I K E S <br /> S P I K E Sample Spike Matrix Spike Matrix Spike MS/MSD QC Limits(***) <br /> C O M P O U N D S Results Added _ DuoLicate _ Relative % (Advisory) <br /> Result Recovery Result Recovery Difference RPD <br /> <2> <3> <1> <4> <1> <5> Max. Recovery Range <br /> GASOLINE RANGE ORGANICS ND 0.90 0.92 102 0.95 106 3.85 36 36 - 160 <br /> * = Values outside QC Range due to Matrix Interference (except RPD) <br /> Analyst: VHZ « = Data outside Method Specification Limits. <br /> Sequence Date: 01/15/98 NC = Not Calculated (Sample exceeds spike by factor of 4 or more) <br /> SPL ID of sample spiked: 9801581-02A ND = Not Detected/Below Detection Limit <br /> Sample File ID: SSA2093A-TXO % Recovery = I( <1> - <2> ) / <3> ) x 100 <br /> Method Blank File ID: LCS % Recovery = (<l> / <3> ) x 100 <br /> Blank Spike File'ID: SSA2106.TXO Relative Percent Difference = f(<4> - <5> / I(<4> + <5> ) x 0.5] x 100 <br /> Matrix Spike File ID: SSA2089A.TX0 {**) = Source: SPL-Houston Historical data (1st Q 197) <br /> Matrix Spike Duplicate File ID: SSA2090A.TXO (***) = Source: SPL-Houston Historical Data O st Q 197) <br /> SAMPLES IN BATCH(SPL ID): 9801545-04A 9801581-04A 9801581-03A 9801545-03A <br /> 9801545-02A 9801581-01A 9801581-02A 9801349-OBA <br /> 9801349-07A <br />