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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 /> Matrix: Aqueous Batch Id: HP_S990108084800 <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> t fi Recovery Range <br /> Gasoline Range Organics ND 1.0 0.85 85.0 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 0 M P 0 U N D S Results Added Duplicate Relative W (Advisory) <br /> Result Recovery Result Recovery Difference RPD <br /> <2> <3> <1> <4> <1> <5> Max. Recovery Range <br /> GASOLINE RANGE ORGANICS ND 0,90 0.75 83.3 0.79 87.8 5.26 36 36 - 160 <br /> * = Values outside QC Range due to Matrix Interference (except RPD) <br /> Analyst: CJ r = Data outside Method Specification limits. <br /> Sequence Date: 01/08/99 NC = Not Calculated (Sample exceeds spike by factor of 4 or more) <br /> SPL ID of sample spiked: 9901059-04A ND = Not Detected/Below Detection Limit <br /> Sample File ID: SSA1162=0 % Recovery = [( <1> - <2> ) / <3> ] x 100 <br /> Method Blank File ID: LCS % Recovery = (<l> / <3> ) x 100 <br /> Blank Spike File ID: SSA1157.TXD Relative Percent Difference = 1 (<4> - <5> 1 / [(<4> + <5> ) x 0.5] x 100 <br /> Matrix Spike File ID: SSA1170=0 {**) = Source: SPL-Houston Historical data (1st Q '97) <br /> Matrix Spike Duplicate File ID: SSA1171.TX0 {++*) = Source: SPL-Houston Historical Data (1st Q 197) <br /> SAMPLES IN BATCH(SPL ID) : 9901059-04A 9901059-05A <br /> I <br />