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If 4 <br /> i} <br /> a <br /> I� I! <br /> !i Krazan& Associates, Inc. <br /> ENVIRONMENTAL Iii 215 W. Dakota Avenue <br /> �r# Clovis, CA 93612 <br /> LABORATORY 1 l (209) 348-2200 <br /> To: Pal Labs Client Project ID: E4006 'I Method: EPA 503018015M,8020 <br /> 32380 Ave. 10 Matrix:Water Instrument ID: Var-GC1 <br /> Madera, CA 93638 Lab Project ID: 014-94202 I Prepared: 5-10-94 <br /> Attn: Judy Wilson Analyst: Linda Phillips i'I Analyzed: 5-10-94 <br /> i Reported: 5-12-94 <br /> QUALITY CONTROL DATA REPORT 'h <br /> a I ; <br /> ANALYTE Gasoline Benzene Toluene Ethyl Benzene Total Xylenes <br /> it <br /> 'I <br /> Spike Concentration: 100 1.00 1.00 1.00 2.00 <br /> Units: uglL ug/L uglL ug/0 uglL <br /> LCSILCSD Batch #: VG-5104 VB-5104 V13-510.4 VB-5iO4 VB-5104 <br /> LCS % Recovery: 101% 91.8% 91.3 OK, 1 88.6% 91.0% <br /> Surrogate Recovery: 102% 100% 100% 100% 100% <br /> LCSD % Recovery: 99.8% 99.2% 96.1% 1} 94.0% 93.5% f <br /> Surrogate Recovery: 95.9% 101% 101% 111 101% 101% <br /> ! t <br /> Relative % Difference: 7.62% 7.75% 5.12% 5.91% 2.71% <br /> • �t <br /> ;t <br /> } <br /> �Ib <br /> Note:MS and MSD were not run due to high concentration of hydrocarbons in samples. �{ <br /> Please Note: ' <br /> The LCS ;Laboratory Check Sample) is a control sample of known, interferent free matrix that isl�fortified with representative analytes and <br /> analyzed using the same reagents, preparation and analytical methods employed far the samples. The LCS % recovery is used for validation <br /> of sample batch results. Due to matrix effects, the QC limits and recoveries for MS/MSD's are advisory only and are not used to accept or <br /> reject batch results. } <br /> ANALYST /' APPROVED BY: <br /> I Lrn Phillips J . es C. 'Phillips <br /> j Environmental Lab Director <br /> i <br />