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ti• <br /> PWM <br /> SPL BATCH QUALITY CONTROL REPORT *• HOUSTON LABORATORY <br /> California LOFT Manual for Gasoline 8880 INTERCHANGE DRIVE <br /> /M4 rango HOUSTON, TEXAS 77054 <br /> PHONE(713)660-0901 <br /> Matrix: Aqueous Batch Id: VARE990127075200 <br /> Units: mg/L <br /> L A B O R A T O R Y C O N T R O L S A M P L E <br /> S P I K E Method Spike Blank Spike QC Limits(**) <br /> C 0 M P 0 U N D S Blank Result Added Result Recovery (Mandatory) <br /> c2> <3> <1> t I Recovery Range <br /> Gasoline Range Organics ND 1.0 1.0 100 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 g (Advisory) <br /> Result Recovery Result Recovery Difference RPD <br /> <2> <3> <1> <4> <1a <5> Max_ Recovery Range <br /> GASOLINE RANGE ORGANICS 3.5 0.90 4.1 66.7 4.1 66.7 0 36 36 - :1:611 <br /> Values outside QC Range due to Matrix Interference (except RPD} <br /> Analyst: LJ « = Data outside Method Specification limits. <br /> Sequence Date: 01/27/99 NC = •Not Calculated (Sample exceeds spike by factor of 4 or more) <br /> SPL ID of sample spiked: 9901A27-06A ND = Not Detected/Below Detection Limit <br /> Sample File TD: EEA4111.TX0 t Recovery = (( <1> - <2> ) / <br /> <3> I x 100 <br /> eerhod Blank File ID: LCS k Recovery = (<i> / <3> ) x 100 <br /> lank Spike rile dD: EEA4104=0 Relative Percent Difference = 1 (<4> - <5> / [(<4> . <5> } x 0.5] x 100 <br /> Macrix Spike rile ID: EEA4107.TX0 (**) = Source: SPL-Housten Historical data (1st Q 197) <br /> Matrix Spike Duplicate File ID: EEA4108.TX0 (**w) = Source: SPL-Houston Historical Data (1st Q 197) <br /> SAMPLES IN BATCH(SPL TD) : 99CIA27-03A 9901A27-04A 9901A31-03A 99o1A23-06A <br /> 9901A23-10A 9901A19-02A 9901A27-05A 9901A27-06A <br /> 9901A27=01A 9901A27-02A <br />