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*' SPL BATCH QUALITY CONTROL REPORT ** PAMOUSTON LABORATORY(` t. <br /> Modified 8015 - Gasoline 8880 INTERCHANGE DRIVE <br /> HOUSTON,TEXAS 77054 <br /> PHONE (713)660-0901 <br /> Matrix: Aqueous Batch Id: HP ,7960505040801 <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 R 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> 1 t Recovery Range <br /> Gasoline Petr. Hydrocarbon ND 0.9 1.0 111 56 - 130 <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 DuplicateRelative t (Advisory) <br /> Result Recovery Result Recovery Difference RPD <br /> <2> <3> <1> <4> <1> <5> Max. Recovery Range <br /> GASOLINE PETR. HYDROCARBON NO 0.9 0.76 84.4 0.73 81.1 3.99 22 37 - 169 <br /> Analyst: VHZ * - Values Outside QC Range <br /> Sequence Date: 05/05/96 NC - Not Calculated (Sample exceeds spike by factor of 4 or more) <br /> SPL ID of Sample spiked: 9604CO2-04A NO = Not Detected/Below Detection Limit <br /> Sample File ID: JJ_621.TX0 % Recovery . [( <1> - <2> ) / <3> ] x 100 <br /> Method Blank File ID: LCS t Recovery - (<1> / c3> ) x 100 <br /> Blank Spike File ID: JJ_613.TXO Relative Percent Difference (<4> - <5> / ((<4> + c5> ) x 0.51 x 100 <br /> Matrix Spike File ID: JJ_629.TX0 (**) Source: SPL-Houston Historical data (3rd Q '95) <br /> Matrix Spike Duplicate File ID: JJ_630.TX0 (***) Source: SPL-Houston Historical Data (3rd Q 195) <br /> SAMPLES IN BATCH SPL ID) : 9604CO2-03A 9604CO2-04A 9604CO2-05A 9604CO2-06A <br /> 9604002-07A 9604CO2-08A 9604002-09A 9604C75-01A <br /> 9604075-02A 9604C75-03A 9604075-04A 9604C75-05A <br /> 9604802-05A <br /> QC Officer -� <br />