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* SPL BATCH QUALITY CONTROL REPORT ** HOUSTON LABORATORY <br /> California LVFT Manual for Diesel 8880 INTERCHANGE DRIVE <br /> HOUSTON, TEXAS 77054 <br /> � <br /> PHONE(713)660-0901 <br /> Matrix: Aqueous Batch Id: Hp V990108051500 <br /> Unita: mg/L <br /> L A B 0 R A T 0 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 0 M P 0 U N D S Blank Result Added Result Recovery (Mandatary) <br /> <2> <3> <1> % Recovery Range <br /> Diesel ND 5.0 4.1 82.0 53 - 148 <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 W (Advisory) <br /> Result Recoveryl Result Recovery Difference RPD <br /> <2> <3> <1> <4> <1> <5> Max. Recovery Range <br /> DIESEL ND 5.0 5.5 103 5.4 101 1.96 39 21 - 175 <br /> * Values outside QC Range due to Matrix Interference (except RFD) <br /> Analyst: RR s = Data outside Method Specification limits. <br /> Sequence Date: O1/DB/99 NC = Not Calculated (Sample exceeds spike by factor of 4 or more) <br /> SPL ID of sample spiked: 9901067-02B ND - Not Detected/Below Detection Limit <br /> Sample File ID: v_A1070.TX0 % Recovery = fI <1> - <2> ) / <3> ] x 100 <br /> Method Blank File ID: LCS 4 Recovery = (<1> / <3> ) x 100 <br /> Blank Spike File ID: V A1068.TX0 Relative Percent Difference = 1 (<4> - <5> I / {{<4> + <5a ) x 0.51 x 100 <br /> ff <br /> Matrix Spike File ID: V A1071_TXO (**) = Source: SPL Historical Limits 14th Qtr'97) <br /> Matrix Spike Duplicate File IDr V Al072.TXO (***) = Sourcer SPL Historical Limits (4th Qtr.'97) <br /> SAMPLES IN BATCH(SPL ID). 9901065-03B 9901067-02B 9901065-01B 9901065-02B <br /> 9901059-07B 9901065-04B 9901072-01B 9901072-02B <br /> 9901072-03B 9901072-04B 9901067-OIE <br />