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** SPL BATCH QUALITY CONTROL REPORT ** PAGE 1 <br /> Modified 8015 - Gasoline <br /> O <br /> Matrix: Aqueous Batch Id HP S950325211600 <br /> Units: 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 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 /> i <br /> <2> <3> <1> % % Recovery Range <br /> Petroleum Hydrocarbons ND 1 0 1 24 124 56 - 139 <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 /> Petroleum Hydrocarbons ND 0 9 0 10 11 1 * 0 67 74.4 148 * 18 40 - 158 <br /> Analyst JZL * = Values Outside QC Range <br /> Sequence Date 03/25/95 NC = Not Calculated (Sample exceeds spike by factor of 4 or more) <br /> SPL ID of sample spiked 9503588-06A ND = Not Detected/Below Detection Limit <br /> Sample File ID S_757 TXO % Recovery = [( <1> - <2> ) / <3> 1 x 100 <br /> Method Blank File ID: LCS % Recovery = (<l> / <3> ) x 100 <br /> Blank Spike File ID: S751.TXO Relative Percent Difference = 1(<4> - <5> / [(<4> + <5> ) x 0 51 x 100 <br /> Matrix Spike File ID S 753 TXO (**) = Source: SPL-Houston Historical Data <br /> Matrix Spike Duplicate File ID S�754 TXO (***) = Source. SPL-Houston Historical Data <br /> SAMPLES IN BATCH(SPL ID) 9503588-05A 9503588-07A 9503588-09A 9503588-02A <br /> 9503750-10A 9503588-08A 9503588-03A 9503588-01A <br /> 9503588-06A 9503588-04A <br /> l - <br /> Idelis Williams, Officer <br />