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** SPL BATCH QUALITY CONTROL REPORT ** PAGE 1 <br /> � METHOD 8020/b02 <br /> 4OM : Aqueous Batch ]d: HP_5950325190700 <br /> Um ts- µg/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 0 M P 0 U N D S Blank Result Added Result Recovery (Mandatory) <br /> <2> <3> <1> % % Recovery Range <br /> MTBE ND 50 48 96 0 56 - 135 <br /> Benzene ND 50 46 92.0 61 - 123 <br /> Toluene ND 50 49 98.0 62 - 122 <br /> EthylBenzene ND 50 49 98.0 56 - 119 <br /> 0 Xylene ND 50 53 106 32 - 160 <br /> M 8 P Xylene ND 100 110 110 32 - 160 <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 0 M P 0 U N D S Results Added Duplicate Relative % (Advisory) <br /> Result Recovery Result Recovery Difference RPD <br /> <2> <3> <1> <4> <5 <5> Max. Recovery Range <br /> MTBE 5 20 15 50 0 13 40 0 22.2 '" 20 39 - 150 <br /> Benzene 520 20 520 NC 530 NC NC 33 39 - 150 <br /> Toluene 3 20 14 55 0 * 13 50 0 * 9 52 35 56 - 134 <br /> EthylBenzene 510 20 480 NC 480 NC NC 40 61 - 128 <br /> 0 xylene 4 20 17 65 0 15 55 0 16 7 29 40 - 130 <br /> M & P Xylene 6 40 30 60 0 26 50 0 18 2 20 43 - 152 <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. 9503588-04A ND = Not Detected/Below Detection Limit <br /> Sample File ID SS-756 TXO % Recovery = [( <1> - <2> ) / <3> 1 x 100 <br /> Method Blank File 1D LCS % Recovery = (<l> / <3> ) x 100 <br /> Blank Spike File ID SS_747 TXO Relative Percent Difference = 1(<4> - <5> 1 ! [(<4> + <5> ) x 0 51 x 100 <br /> Matrix Spike File 1D SS-749 TXO (**) = Source SPL-Houston Historical Data <br /> Matrix Spike Duplicate File ID SS-750 TXO (***} = Source SPL-Houston Historical Data <br /> SAMPLES IN BATCH(SPL ID). 9503588-05A 9503588-07A 9503588-09A 9503588-02A <br /> 9503750-IOA 9503588-08A 9503588-03A 9503588-OIA <br /> 9503588-06A 9503588-04A <br /> `1 <br /> IdeLis Williams, C Officer <br />