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• SPL BATCH QUALITY CONTROL REPORT +* <br /> Method 8020A*** HOUSTON LABORATORY <br /> 8680 INTERCHANGE DRIVE <br /> HOUSTON,TEXAS 770V/' <br /> Batch Id: HP 0980821102300 PHONE(713)660-0901 v' > <br /> Units: ug/kg :Y <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 /> <2> <3> <1> V t Recovery Range <br /> MTBE ND So 42 84.0 64 - 126 ' <br /> Benzene ND - 50 44 88.0 - 60 - 116 - <br /> Toluene ND 50 45 90.0 64 - 122 <br /> EthylBenzene ND 50 44 68.0 6B - 127 <br /> O Xylene ND 50 45 90.0 68 127 <br /> M & P Xylene ND 100 90 90.0 68 - 129 <br /> M A T R I X S P I X R S <br /> S P I K E Sample Spike Matrix Spike Matrix Spike MS/MSD QC-Limits(***) <br /> C O M P 0 U N D S Results Added _ Duplicate Relative V (Advisory) <br /> Result Recovery Result Recovery Difference RPD <br /> <2> <3> <1> <4> <1> <5> Max. Recovery Range <br /> MTBE ND 20 22 110 21 105 4.65 22 27 - 196 <br /> BENZENE ND 20 24 120 28 140 + 15.4 33 35 - 139 <br /> TOLUENE ND 20 24 120 26 130 8.00 35 31 - 137 <br /> ETHYLBEN2ENE ND 20 24 120 24 120 0 40 21 - 141 <br /> 0 XYLENE ND 20 22 110 24 120 8.70 24 25 - 139 <br /> M & P XYLENE ND 40 45 112 47 118 5.22 38 19 - 144 <br /> * Values outside QC Range due to Matrix Interference (except RPD) <br /> Analyst: CJ c = Data outside Method Specification limits. <br /> Sequence Date: 08/21/98 NC = Not Calculated (Sample exceeds spike by factor of 4 or more) <br /> SPL ID of sample spiked: 9808718-01A ND = Not Detected/Below Detection Limit <br /> Sample File ID: 0 H3224_TX0 k Recovery = (( <1> - <2> ) / <3> ] x 100 <br /> Method Blank File ID: LCS I Recovery = (<1> / <3> ) x 100 <br /> Blank Spike File ID: O H3217.TX0 Relative Percent Difference - 1 (<4> - <5> / ((<4> + <5> ) x 0.51 x 100 <br /> Matrix Spike File ID: O H3219=0 {**) = Source: SPL-Houston Historical Data {1ST Q 197) <br /> Matrix Spike Duplicate File ID: O_H3220.TX0 (***) - Source: SPL-Houston Historical Data (1ST Q 197) <br /> SAMPLES IN BATCH SPL IDJ : 9808714-OIA 9608718-OIA 9808718-OSA 980B718-06A <br /> 9BOB718-07A <br /> I <br /> i <br /> l ` <br /> I <br /> ( <br /> V <br /> I <br /> E <br />