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i <br /> * PL BATCH QUALITY CONTROL REPORT •* <br /> California LUFT Manual for Gasoline HOUSTON LABORATORY <br /> 8880 INTERCHANGE DRIVE <br /> O HOUSTON,TEXAS 77054 <br /> Batch Id: HP_S990926042800 PHONE(713)660-0901 <br /> 4411n mg/L <br /> L A B O R A T O R Y C 0 N T R 0 L S A M P L E <br /> S P I x 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> % 4 Recovery Range <br /> Gasoline Range Organics ND 1.00 0.76 76.0 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 O M P O U N D S Results Added Duplicate Relative % (Advisory) <br /> Result Recovery Result Recovery Difference RPA <br /> <2> <3> <1> <4> <1> <5> Max_ Recovery Range <br /> GASOLINE RANGE ORGANICS ND 0 <br /> 0.90.46 107 0.92 102 4.78 36 36 - 160 <br /> * = Values outside QC Range due to Matrix Interference (except RPE)) <br /> Analyst: HS a = Data outside Method Specification limits. <br /> Sequence Date: 09/26/98 NC = Not Calculated (Sample exceeds spike by factor of 4 or more) <br /> SPL ID of sample spiked: 9809932-02A ND = Not Detected/Below Detection Limit <br /> Sample File ID: SSI3222.TX0 g Recovery = [( <1> - <2> ) / <3> ) x 100 <br /> Method Blank File ID: LCS t Recovery = (<1> / <3> ) x 100 <br /> ank Spike File ID: SSI3208.T%0 Relative Percent Difference = (<4> - <5> / [(<4> + <5> ) x 0.51 x 100 <br /> trix Spike File ID: SSI3218,TXO (**) = Source: SPL-Houston Historical data (1st Q 197) <br /> Matrix Spike Duplicate File ID: SSI3219.TX0 (**+} = Source: SPL-Houston Historical Data (1st Q 197) <br /> SAMPLES IN BATCH(SPL ID) : 9809792-02A 9809792-03A 9809792-04A 9809787-03A <br /> 9809792-05A 9809792-06A 9609792-07A 9809792-OBA <br /> 9809792-07A 9809792-08A 9809792-09A 9809792-10A <br /> 9809792-11A 9809787-01A <br />