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SPL BATCH QUALITY CONTROL REPORT ** HOUSTON LABORATORY <br /> California LUFT Manual for Gasoline 8880 INTERCHANGE DRIVE <br /> HOUSTON, TEXAS 77054 <br /> PHONE(713)660-0901 <br /> ix: Aqueous Batch Id: HP_S980120195500 <br /> Units: mg/L <br /> L A B O R A T 0 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 O M P O U N D S Blank Result Added Result Recovery (Mandatory) <br /> <2> <3> <1> $ Recovery Range <br /> Gasoline Range Organics ND 1.0 1.1 110 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 0 U N D S Results Added Duplicate Relative t (Advisory) <br /> Result Recovery Result Recovery Difference RPD <br /> <2> <3> <1> <4> <1> <5> Max. Recovery Range <br /> GASOLINE RANGE ORGANICS FND 22 22 100 23 105 4.88 36 36 - 160 <br /> * Values outside QC Range due to Matrix Interference (except RPD) <br /> Analyst: DN e = Data outside Method Specification limits. <br /> Sequence Date: 01/20/98 NC = Not Calculated (Sample exceeds spike by factor of 4 or more) <br /> SPL ID of sample spiked: 9801744-01A ND = Not Detected/Below Detection Limit <br /> Sample File ID: SSA3052.TXO $ Recovery = [( <1> - <2> ) / <3> ] x 100 <br /> Method Blank File ID: LCS ?6 Recovery - (<1> / <3> J x 100 FF - <br /> Blank Spike File ID: SSA3044.TXO Relative Percent Difference = 1 (<4> - <5> I / [(<4> + <5> ) x 0.5} x 100 <br /> Matrix Spike File ID: SSA3048.TXD (**) = Source: SPL-Houston Historical data (1st Q 197) <br /> Matrix Spike Duplicate File ID: SSA3049.TXO (***) = Source: SPL-Houston Historical Data (1st Q 197) <br /> SAMPLES IN BATCH(SPL ID): 9901744-04A 9801744-OSA 9801744-06A 9801744-07A <br /> 9801643-02A 9801643-01A 9801744-CIA 9801744-02A <br /> 9801744-03A <br /> S� <br />