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0 i <br /> SPL BATCH QUALITY CONTROL REPCRT ** HOUSTON LABORATORY <br /> METHOD 8020/602 8880 INTERCHANGE DRIVE <br /> HOUSTON,TEXAS 77054 <br /> O PHONE(713)860-0901 <br /> Matrix: Aqueous Batch Id: HP_N961122120800 <br /> Units: ug/L 0. <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 O M P O U N D S Blank Result Added Result Recovery (Mandatory) <br /> 42> <3> <1> % Recovery Range <br /> MTBE NO 50 47 94.0 63 - 120 <br /> Benzene ND 50 39 78.0 62 - 121 <br /> Toluene NO 50 45 90.0 66 - 136 <br /> EthylBenzene ND 50 42 84,0 70 - 136 <br /> 0 xylene NO 50 42 84.0 74 - 134 <br /> M & P Xylene ND 100 85 85.0 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 _ Duplicate Relative % (Advisory) _ <br /> Result Recovery Result Recovery Difference RPD <br /> <2> <3> <1> <4> <1> <5> Max. Recovery Range <br /> MTBE NO 20 20 100 21 105 4.88 20 39 - 150 <br /> BENZENE ND 20 21 105 21 105 0 25 39 - 150 <br /> TOLUENE ND 20 23 115 22 110 4.44 26 56 - 134 • <br /> ETHYLBENZENE NO 20 21 105 21 105 0 38 61 - 128 <br /> O XYLENE ND 20 21 105 21 105 0 29 40 - 130 <br /> M & P XYLENE ND 40 42 105 42 105 0 20 43 - 152 <br /> Analyst: RL * - Values Outside QC Range <br /> Sequence Date: 11/22/96 NC - Not Calculated (Sample exceeds spike by factor of 4 or more) <br /> SPL ID of sample spiked: 9611914-02A NO = Not Detected/Below Detection Limit <br /> Sample File ID: N_6K123.Tx0 % Recovery - (( <1> - <2> ) / <3> ) x 100 <br /> Method Blank File ID: LCS % Recovery = (<1> / <3> } x 100 <br /> Blank Spike File ID: N_6Kll5.TXO Relative Percent Difference - I (<4> - <5> I / [(<4> + <5> ) x 0.51 x 100 <br /> Matrix Spike File ID: N_6K117.TXO (**) - Source: SPL-Houston Historical Data Ord Q 195) <br /> Matrix Spike Duplicate File ID: N_6Kll8.TXO (***) = Source: SPL-Houston Historical Data (2nd Q 195) <br /> SAMPLES IN SATCH SPL ID) -. 9611914-03A 9611914-02A 9611884-04A 9611914-OIA <br /> 9611884-06A 9611884-07A 9611911-08A 9611911-07A <br /> 9611884-02A 9611864-03A 9611663-OIA 9611863-02A <br /> 9611863-03A 9611A83-05A 96IIA83-06A <br />