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SPL BATCH QUALITY CONTROL REPORT ** HOUSTON LABORATORY <br /> California LUFT Manual for Gasoline 8880 INTERCHANGE DRIVE <br /> O HOUSTON,TEXAS 77054 <br /> 4114 e-'1111111111111,0111PHONE (713)660-0901 <br /> Matrix: Aqueous Batch Id: HP_S990126160800 <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> 1 Recovery Range <br /> Gasoline Range Organics ND 1.0 0.80 80.0 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 RPD <br /> <2> <3> <1> c4> <1> <5> Max. Recovery Range <br /> GASOLINE RANGE ORGANICS ND 0.90 0.60 88.9 0.81 90.0 1.23 36 36 - 160 <br /> * Values outside QC Range due to Matrix Interference (except RPD} <br /> Analyst: CJ < i Data outside Method Specification limits. <br /> Sequence Date: 01/26/99 NC = Not Calculated (Sample exceeds spike by factor of 4 or more) <br /> SPL ID of sample spiked: 9901A17-03A ND - Not Detected/Below Detection Limit <br /> Sample File ID: SSA4044.TX0 t Recovery - [( <1> - <2> I / 43> 1 x 100 <br /> Method Blank File 1D7 LCS % Recovery = (<1> / <3> ) x 100 <br /> Blank Spike File ID- SSA4037.TXO Relative Percent Difference u j {,4> 5> 1 x 0.51 x 100 <br /> Matrix Spike File ID: SSA4040.7XD (**) a Source: SPL-Houston Historical data �lst Q 197) <br /> Matrix Spike Duplicate File !Di SSA4041.TX0 (***) - Source: SPL-Houston Historical Data (1st Q '97) <br /> SAMPLES IN BATCH{SPL ID : 99DIA17-OSA 9901A17-06A 99DIA17-07A 9901AI7-08A <br /> 99DIA17-09A 9901A17-10A 9901A17-IIA 9901A21-04A <br /> 99D1A21-03A 9901A17-DIA 9901A17-03A 9901A17-02A <br /> 9901A17-04A <br />