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SPL BATCH QUALITY CONTROL REPORT •• <br /> HOUSTON LABORATORY <br /> METHOD 602 8880 INTERCHANGE DRIVE <br /> HOUSTON,TEXAS 77054 <br /> Ale aZ <br /> Batch Id: ' HP_097o601054100 PHONE (713)660-0901 <br /> • Units: ug/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 0 M P O U N D S Blank Result Added Result Recovery (Mandatory) <br /> Y'Y <br /> <2> <3> <1> k R Recovery Range <br /> MTBE ND 50 39 78.0 63 - 120 <br /> Benzene NO 50 45 90.0 62 - 121 <br /> Toluene ND 50 48 96.0 66 - 136 <br /> EthylBenzene NO 50 50 100 70 - 136 <br /> 0 Xylene ND 50 49 98.0 74 - 134 <br /> M & P Xylene ND 100 96 96.0 77 - 140 <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 Du licate Relative t (Advisory) <br /> Result Recovery Result Recovery Difference RPD <br /> <2> <3> <1> <4> <1> <5> Max. Recovery Range <br /> MTBE NO 20 16 80.0 12 60.0 28.6 * 20 39 - 150 <br /> ISOPROPYL ETHER NO 20 19 95.0 12 60.0 45.2 * 20 50 - 150 <br /> BENZENE NO 20 19 95.0 12 60.0 45.2 * 25 39 - 150 <br /> TOLUENE NO 20 20 100 12 60.0 50.0 * 26 56 - 134 <br /> ETHYLBENZENE NO 20 20 100 12 60.0 * 50.0 * 38 61 - 128 <br /> 0 XYLENE NO 20 20 100 12 60.0 50.0 * 29 40 - 130 <br /> M & P XYLENE 1.6 40 39 93.5 23 53.5 54.4 * 20 43 - 152 <br /> Analyst: DAO * Values Outside QC Range. c - Data outside Method Specification limits. <br /> Sequence Date: 06/01/97 NC = Not Calculated (Sample exceeds spike by factor of 4 or more) <br /> SPL ID of sample spiked: 9705001-07B NO Not Detected/Below Detection Limit <br /> Sample File ID: OOF7076.TX0 1r Recovery [{ <1> - <2> } / <3> ] x 100 <br /> Method Blank File ID: LCS % Recovery - {<1> / <3> ) x 100 <br /> Blank Spike File ID: OOF7067.TXO Relative Percent Difference 1 (<4> - <5> I / [(<4> * <5> ) x 0.5] x 100 <br /> Matrix Spike File ID: OOF7I20.TXO (**) = Source: SPL-Houston Historical Data (3dr Q 195) <br /> Matrix Spike Duplicate File ID: 0OF7121.TX0 {***) Source: SPL-Houston Historical Data <br /> SAMPLES IN BATCH(SPL ID) : 9705066-03A 9705C66-04A 9705066-02A 9705C66-OIA <br /> 9705090-01A 9705C90-02A 9705089-02A 9705C89-03A <br /> 9705F38-01A 9705DOl-07B 9705036-02A 9705C36-09A <br /> 9705C92-05A 9705C92-06A 9705DOl-06B <br />