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{t <br /> ** SPL BATCH QUALITY CONTROL REPORT ** PAGE 1 <br /> METHOD 8020 <br /> Matrix: Aqueous Batch Id: HP 0940912064000 <br /> Units: µg/L <br /> L A B 0 R A T 0 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 0 M P 0 u N D S Blank Result Added Result Recovery (Mandatory) <br /> <2> <3> <1> % X Recovery Range <br /> Benzene ND z 50 44 88.0 54 - 126 <br /> Toluene ND 50 44 88.0 61 - 125 <br /> EthylBenzene ND 50 44 88.0 57 - 129 <br /> 0 Xylene ND 50 40 80.0 32 - 160 <br /> M & P Xylene ND 100 95 95.0 32 - 160 <br /> M A T R I X S P f K E S <br /> S P I K E Sample Spike Matrix Spike Matrix Spike MS/MSD QC Limits(***) <br /> C 0 M P O U N 0 S Results Added Duplicate - Relative X Adviso <br /> Result Recovery Result Recovery Difference RPD <br /> <2> <3> <1> <4> <1> <5> Max. Recovery Range <br /> Benzene ND 20 17 85.0 17 85.0 0 19 61 - 131 <br /> Toluene ND 20 16 80.0 16 80.0 0 18 57 - 127 <br /> EthylBenzene ND 20 16 80.0 16 80.0 0 18 55 - 131 <br /> 0 Xylene ND 20 14 70.0 14 70.0 0 20 40 - 130 <br /> M & P Xylene ND 40 30 75.0 30 75.0 0 16 43 - 152 <br /> Analyst- MOO * = Values Outside QC Range <br /> Sequence Date 09/12/94 NC = Not Calculated (Sample exceeds spike by factor of 4 or more) <br /> SPL ID of sample spiked: 9409114-05A ND = Not Detected/below Detection Limit <br /> Sample File ID: 00_473 TXO % Recovery = [( <1> - <2> ) / <3> ) x 100 <br /> Method Blank File ID LCS % Recovery = (0> / <3> ) x 100 <br /> Blank Spike File ID 00^466.7X0 Relative Percent Difference = 1(<4> - <5> 1 / [C<4> + <5> ) x 0 51 x 100 <br /> Matrix Spike File ID: QO 469 TXO (**) = Source SPL-Houston Historical Data <br /> Matrix Spike Duplicate File ID- 00_470 TXO (***) = Source SPL-Houston Historical Data <br /> SAMPLES IN BATCH(SPL ID)- 9409165-10A 9409134-01A 9409134-02A 9408870-04A <br /> 9408870-03A 9408870-02A 9408870-01A 9408870-05A <br /> 9409093-03A 9409093-OIA 9409098-16A 9409327-02A <br /> 9409327-01A 9409111-OIA 9409110-03A 9409291-03A <br /> 9409114-05A 9409138-08A <br /> I <br /> Idelis u fl isms, QC Officer <br />