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1 <br /> ** SPL BATCH QUALITY CONTROL REPORT *• PAGE 1 <br /> p BTEX MTBE - Soil <br /> Matrix.- Soil Batch Id: VARD940901111000 <br /> Units: Ag/Kg <br /> S P I K E Method Spike _Blank Spike QC Limits(") <br /> COMPOUN D S Blank Result Added Result Recovery (Mandatory) <br /> <2> 433- 02. % % Recovery Range <br /> U <br /> MTBE NO 50 62 124 43 - 126 ,. <br /> Benzene ND 50 46 92.0 53 129 <br /> Toluene NO 50 44 88.0 60 126 <br /> EthylBenzene NO 50 45 90.0 58 - 127 <br /> 0 Xylene ND 50 46 92.0 32 - 160 <br /> M A P Xylene No 100 93 93.0 32 - 160 <br /> 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 g P 0 U V D S Results Added — Duplicate Relative X (Advisory) <br /> Result Recovery Result RecoveryDifference RPO <br /> <2> <33, <1> <4> <1> <5> Max. Recovery Range <br /> MTBE ISD 20 19 95.0 18 90.0 5.41 22 27 - 196 <br /> Benzene 3 20 21 90.0 21 90.0 0 13 47 - 143 <br /> Toluene 1 20 19 90.0 19 90.0 0 18 49 - 133 <br /> EthylBenzone 1 20 20 95.0 20 95.0 0 20 38 - 142 <br /> 0 Xylone 3 20 20 85.0 19 80.0 6.06 24 18 - 144 <br /> A b P Xylene 1 40 37 90.0 36 87.5 2.82 23 25 - 139 <br /> 4 <br /> Analyst: DAO * a Values Outside QC Range <br /> Sequence Date- 09/01/94 NC a Not Calculated (Sample exceeds spike by factor of 4 or more) <br /> SPL ID of sample spiked: 9408844-OZA NO - Not Detected/Below Detection Limit <br /> Sample File ID: 0_341.TXO % Recovery - [( <1> - <2> ) / <3> I x 100 <br /> Method Blank File I0: LCS % Recovery = (03- / <3> ) x 100 <br /> Blank Spike File I0: D 336.TX0 Relative Percent Difference - 1(c4> - <5> f / [(<4> ; <5> ) x 0.51 x 100 <br /> Matrix Spike File ID: D_337.TXO (**) - Source: SPL-Houston Historical Data <br /> Matrix Spike Duplicate File ID: D_338.TX0 {+**) Source: SPL-Houston Historical Data <br /> U <br /> HEL <br /> r� <br /> ES IN BATCH SPL 9408802-088 9408874-14A 94OBB74-15A 9408874-OBA <br /> r <br /> 9408874-17A 9408874-16A 9408874-09A 9408874-11A <br /> 9408874-10A 9408674-13A 9408874-21A 9408874-06A <br /> 9408874-07A 9408674-05A 9408674-04A 9408674-03A <br /> 9408874- 94 7 -0 94 1A 9408844-02A <br /> 1� <br /> C <br /> Idelis 4itLiamr., QC Officer <br />