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** SPL BATCH QUALITY CONTROL REPORT "* PAGE 1 <br /> ® METHOD 8020 <br /> Matrix: Aqueous Batch 1d: HP J941221183600 <br /> Units: ICg/L <br /> L A B O R A T 0 R Y C 0 N T R O 1. 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 /> Q> <3> <1> % % Recovery Range <br /> Benzene ND 50 41 82.0 54 - 126 <br /> Toluene NO 50 44 88.0 61 - 125 <br /> EthylBenzene ND 50 44 88.0 57 - 129 <br /> 0 Xylene ND 50 44 88.0 32 - 160 <br /> M & P Xylene ND 100 99 99 0 32 - 160 <br /> N A T R 1 X S P I K E S <br /> S P I K E Semple Spike Matrix Spike Matrix Spike MS/NSD QC Limits(***) <br /> C 0 M P 0 U N D S Results Added DuplicateRelative % (Advisory) <br /> Result Recovery Result Recovery Difference RPD <br /> <2> <3> <1> <4> <1> <5> Max. Recovery Range <br /> Benzene ND 20 19 95.0 18 90.0 5 41 19 61 - 131 <br /> Toluene ND 20 17 85.0 16 80.0 6.06 18 57 - 127 <br /> EthylBenzene ND 20 16 80.0 16 80.0 0 18 55 - 131 <br /> 0 Xylene ND 20 13 65.0 14 70.0 7.41 20 40 - 130 <br /> • M & P xylene ND 40 26 65.0 28 70 0 7 41 16 43 - 152 <br /> Analyst DAO * = Values Outside QC Range <br /> Sequence Date. 12/21/94 NC = Not Calculated (Sample exceeds spike by factor of 4 or more) <br /> SPL ID of sample spiked: 9412805-01A NO = Not Detected/Below Detection Limit <br /> Sample File 10 J _ 107 TXO % Recovery = I( <1> - <2> ) / <3> 3 x 100 <br /> Method Blank File 10: LCS % Recovery = (0> / <3> } x 100 <br /> Blank Spike File ID J_091 TXO Relative Percent Difference 1(<4> - <5> 1 / [(<4> + <5> ) x 0 51 x 100 <br /> Matrix Spike File ID J_„_105.TXO (**) a Source: SPL-Houston Historical Data <br /> Matrix Spike Duplicate File ID J_106.TXO (**") = Source: SPL-Houston Historical Data <br /> I ' I <br /> SAMPLES 1N BATCH S L ID), 9412805-15A 9412805-14A 9412805-IIA 9412819-02A <br /> 9412819-01A 9412805-12A 9412805-10A 9412805-09A <br /> 9412805-13A 9412805-04A 9412805-08A 9412805-07A <br /> 9412805-06A 9412805-05A 9412805-03A 9412805-02A <br /> I <br /> I I• 11 , I r, {94I 1 -11A 94 A2 : <br /> I I" <br /> •l ,I l <br /> I � <br /> Idelisiltiams, QC Officer <br /> I <br /> II l ` <br /> t t I ' I <br /> I I I , <br /> III d I l'I I {i I I it { rhe II'`I { II rl III Vt 'I 'I I I�I� I ill I F I V IX it <br />