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•* SPL BATCH QUALITY CONTROL REPORT *+ HOUSTON LABORATORY <br /> "'10001W <br /> Modified 8015 - Gasoline 8860 INTERCHANGE DRIVE <br /> ® HOUSTON,TEXAS 77054 <br /> Matrix: Aqueous Batch Id: HP N970402173800 PHONE(713)660-0901 <br /> Units: mg/L <br /> E <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 K E Method Spike Blank Spike QC Limita(**) <br /> C 0 M P 0 U N D S Blank Result Added Result Recovery (Mandatory) <br /> <2> <3> <1> t Recovery Range <br /> Gasoline Petr. Hydrocarbon ND 1.0 0.78 78.0 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 Duplicate Relative (Advisory) <br /> Result Recovery Result Recovery Difference RPD <br /> <2> <3> <1> <4> <1> <5> Max. Recovery Range <br /> GASOLINE PETR. HYDROCARBON 1.9 0.9 2.7 88.9 2.8 100 11.8 22 37 - 169 <br /> Analyst: fah * = values Outside QC Range. r = Data outside Method Specification limits. <br /> Sequence Date: 04/02/97 NC - Not Calculated (Sample exceeds spike by factor of 4 or more) <br /> SPL ID of sample spiked: 9703F79-08A ND - Not Detected/Below Detection Limit <br /> Sample File ID: NND7066.TX0 k Recovery = [[ <1> - <2> } / <3> ) x 100 <br /> Method Blank File ID: LCS t Recovery - 1<1> / <3> } x 100 <br /> Blank Spike File ID: NND706i.TX0 Relative Percent Difference = I (<4> - <5> I / [(<4> + <5> } x 0.51 x 100 <br /> Y <br /> atrix Spike File ID: NND7064.TX0 {++} a Source: SPL-Houston Historical data (3rd Q 1951 <br /> Matrix Spike Duplicate File ID: NND7D65.TX0 {+**} Source: SPL-Houston Historical Data (3rd Q 195) <br /> SAMPLES IN BATCH(SPL ID): 9703F79-01A 9703F01-05A 9703F79-04A 9703F79-05A <br /> 9703F79-06A 9703F79-07A 9703E82-02A 9703E82-03A <br /> 97D3E82-04A 9703E82-05A 9703F55-01A 9703F79-09A <br /> 9703F79-08A 9703E82-01A 9703F01-06A 9703F01-08A <br /> EI <br /> 4 <br />