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* SPL BATCH QUALITY CONTROL REPORT ** HOUSTON LABORATORY <br /> California LUFT Manual for Gasoline 8880 INTERCHANGE DRIVE <br /> Oa HOUSTON,TEXAS 77054 <br /> PHONE(713)660-0901 <br /> Matrix: Aqueous Batch Id: HP S990105113300 <br /> Units: mg/L <br /> L A B 0 R A T 0 R Y C O 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> % I Recovery Range <br /> Gasoline Range Organics ND 1.0 0.91 91.0 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 Duplicate Relative E (Advisory) <br /> Result Recovery Result Recovery Difference RP]16 <br /> <2> <3> <1> <4> <1> <5> MaRecovery Range <br /> GASOLINE RANGE ORGANICS 0.35 0.90 1.2 94.4 1.3 106 11.6 36 - 160 <br /> * = Values outside QC Range due to Matrix Interference (except RPD) <br /> Analyst: CJ = Data outside Method Specification limits. <br /> Sequence Date: 01/05/99 NC - Not Calculated (Sample exceeds spike by factor of 4 or more) <br /> SPL ID of sample spiked: 9901031-02A ND = Not Detected/Below Detection Limit <br /> Sample File ID: SSA1066.TX0 % Recovery = [I <1> - <2> I / <3> 1 x 100 <br /> Method Blank File ID: LCS % Recovery = (<l> / <3> ) x 100 <br /> tf`xr Blank Spike File ID: SSA1033.TXO Relative Percent Difference = 1 (<4> - <5> / [I<4> + <5> } x 0.5] x 100 <br /> - Matrix Spike File ID: SSA1049.TX0 (+*) - Source: SPL-Houston Historical data (1st Q 197) <br /> Matrix Spike Duplicate File ID: SSA1050.TX0 (***) = Source: SPL-Houston Historical Data (1st Q 197) <br /> SAMPLES IN BATCH SPL ID)t, 9901031-02A 9901031-06A 9901031-01A 9901031-03A <br /> 9901031-04A 9901031-05A 9901031-07A 9901031-OSA <br /> 9901031-09A <br /> i <br />