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* SPL BATCH QUALITY CONTROL REPORT ** FULLERTON LABORATORY 1511 E. ORANG£THORPE AVE. METHOD 8020A*** FULLERTO N.CA 92831 PHONE(714)447.6868 6AMatrix: Soil Batch Id: GC_2970212214100 ' Units: µg/Kg L A B O R A T O R Y C O N T R O L S A M P L E LS P I K 8 Method Spike Blank —Spike QC Limits(**) C 0 M P 0 U N D S Blank Result. Added Result Recovery (Mandatory) <2> <3> <1> 1 Recovery Range rMTBE ND 200 214 107 80 - 120 Benzene ND 50 S7 114 80 - 120 ' SthylBenzene ND 50 55 110 80 - 120 Toluene ND 50 55 110 80 120 O Xylene ND 50 55 110 80 - 120 M 6& P Xylene ND 100 101 101 80 - 120 M A T R I X S P I K E S S P I K E Sample Spike Matrix Spike Matrix Spike MS/MSD QC Limits(***) . C O M P O U N D S Results Added Duplicate Relative % (Advisory) Result Recovery Result Recovery Difference RPD ' <2> <3> <1> <4> <1> <5> Max. Recovery Range BENZENE ND 40 43 108 46 115 6.28 20 60 - 140 ETHYLEENZENE ND 40 40 100 46 115 14.0 25 60 - 140 TOLUENU ND 40 41 102 45 112 9.35 25 65 - 130 O XYLENE ND 40 40 100 49 122 19.8 25 65 - 130 M & P XYLENE ND 80 75 93.8 87 109 15.0 2S 60 - 140 ' Analyst: ETM * = Values Outside QC Range. a = Data outside Method Specification limits. Sequence Date: 02/12/97 NC = Not Calculated (Sample exceeds spike by factor of 4 or mare) SPL ID of sample Spiked: 9702082-12A ND Not Detected/Below Detection Limit Sample File ID: GC29887.TXO is Recovery = [( <1> - <2> ) / <3> 1 x 100 Method Blank File ID: LCS t Recovery = ( / <3> ) x 100 Blank Spike File ID: GCZ13882.TXO Relative Percent Difference I (<4> - <5> I / [(<4> + <5> ) x 0.51 x 100 ' Matrix Spike File ID: GC2B888.TXO {**) = Source: Matrix Spike Duplicate File ID: GC2B890.TX0 (***) = Source: ' SAMPLES IN BATCH SPL ID) -. 9702082-12A 9702110-07A 9702110-08A 9702110-09A 9702110-IOA 9702110-10A 9702110-11A 9702110-12A 9702110-14A 9702110-10A 9702110-IIA 9702084-01A 9702084-02A 9702084-03A 9702084-04A 9702084-OSA 9702084-06A