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Y <br /> * 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 /> Matrix Aqueous Batch Id HP_N991018132200 <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 O M P O U N D S Blank Result Added Result ' Recovery (Mandatory) <br /> <2> <3> <1> % V 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 (Advisory) <br /> Result Recovery Result Recovery Difference RPD <br /> <2> <3> <1> <4> <1> <5> Max Recovery Range <br /> GASOLINE RANGE ORGANICST- 7 B 0 90 9 6 NC 9 6 NC NC 36 36 - 160 <br /> * Values outside QC Range due to Matrix Interference (except RPD) <br /> Analyst WLR r = Data outside Method Specification limits <br /> Sequence Date 10/18/99 NC - Not Calculated (Sample exceeds spike by factor of 4 or more) <br /> SPL ID of sample spiked 99100151-16 ND = Not Detected/Below Detection Limit <br /> Sample File ID NNJ3020 TXO % Recovery - [I <1> - <2> ) / <3> ) x 100 <br /> Ishod Blank File ID LCS % Recovery = (<1> / c3> } x 100 <br /> nk Spike File ID NNJ3012 TXO Relative Percent Difference 1 (<4> - <5> 1 / [(<4> + <5> ) x 0 51 x 100 <br /> Matrix Spike File ID NNJ3016 TXO {**) Source SPL-Houston Historical data (1st Q 197) _ <br /> Matrix Spike Duplicate File ID NNJ3017 TXO (**•) = Source SPL-Houston Historical Data (1st Q 197) <br /> SAMPLES IN BATCH(SPL ID) _ _9910313-17A 9910531-01A 9910313-OBA 9910313-11A <br />