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*• SPL BATCH QUALITY CONTROL REPORT ** HOUSTON LABORATORY <br /> California LUFT Manual for Gasoline 8880 INTERCHANGE DRIVE <br /> O HOUSTON,TEXAS 77054 <br /> PHONE (713) 660-0901 <br /> Matrix: Aqueous Batch Id: VARE990721235900 <br /> Units_ mg/L <br /> L A B O R A T O R Y C 0 N T R O L S A M P L E <br /> S P I K E Method Spike Blank_ Spoke QC Limitsl**) <br /> C O M P O U N D S Blank Result Added Result Recovery (Mandatory) <br /> <2> <3> <1> t I Recovery Range <br /> Gasoline Range Organics ND 1.0 O.BO 80.0 64 - 131 <br /> M A T R I X S P I K E S <br /> 5 P I K 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 /> GASOLINE RANGE ORGANICS NJ) 0,90 0.61 67.8 0.54 60.0 12.2 36 36 - 160 <br /> = Values outside QC Range due to Matrix Interference (except RPD) <br /> Analyst: DR < Data outside Method Specification limits. <br /> Sequence Date: 07/22/99 NC F Not Calculated (Sample exceeds spike by factor of 4 or mare) <br /> SPL ID of sample spiked: 9907597-01A ND a Not Detected/Below Detection Limit <br /> Sample File ID: EEG3077A.TX0 % Recovery - [I <1> - <2> ) / <3> 1 x 100 <br /> Method Blank File ID: LCS k Recovery = l<1> / <3> } x 100 <br /> Blank Spike File ID: EEG3069A.TXO Relative Percent Difference 4<4> - c5> / [(<4> + <5> } x 0.51 x 100 <br /> Matrix Spike File 1D: EEG4074.TXO ( *} = Source: SPL-Houston Historical data (1st Q 1971 <br /> Matrix Spike Duplicate File ID: EEG4075.TXO Source: SPL-Houston Historical Data (1st Q 197} <br /> SAMPLES IN BATCH(SPL ID) : 9907592-09A 9907597-OIA 9907597-03A 9907597-02A <br /> 9907597-04A <br /> i <br />