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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 /> AqueousEMMMMOMOMMOF <br /> Batch Id HP_S991022020700 PHpN@(713)6$0-0901 <br /> Units mg/L <br /> L A B 0 R A T 0 R X 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> % �k Recovery Range <br /> Gasoline Range Organics ND 1 0 0 87 87 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)***1 <br /> C O M P O U N D S Results Added Duplicate Relative I (Advisory) <br /> Result Recovery Result Recovery Difference RPD <br /> <2> <3> <1> <4> <1> <5> Max Recovery Range <br /> E <br /> SOLINE RANGE ORGANICS1. ND 0 90 0 541 <br /> 60 0 0 60 66 7 10 6 36 36 - 160 <br /> * Values outside QC Range due to Matrix Interference ;except RPD) <br /> Analyst LJ « = Data outside Method Specification limits <br /> Sequence Date 10/22/99 NC = Not Calculated (Sample exceeds spike by factor of 4 or more) <br /> SPL ID of sample spiked 9910539-03A ND = Not Detected/Below Detection Limit <br /> Sample File ID SSJ3153 TAD % Recovery = [( <1> - <2> ) / <3> ] x 100 <br /> Method Hlank File ID LCS � Recovery - (<l> / <3> } x 100 <br /> 9aank Spike File ID SSJ3146 TXO Relative Percent Difference 1 (<4> - <5> 1 / [(<4> + <5> ) x 0 51 x 100 <br /> trix Spike File ID 55,73149 TXO {**) = Source SPL-Houston Historical data (1st Q 197) <br /> Matrix Spike Duplicate File ID SSJ3150 TXO (***} Source SPL-Houston Historical Data (1st Q 197) <br /> SAMPLES IN BATCH(SPL ID) 9910539-06A 9910540-OlA 9910540-03A 9910539-02A <br /> 9910539-03A 9910539-04A 9910539-05A <br /> �I <br />