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Sparger _ �+ <br /> Analytical Laborato Division <br /> �� <br /> • Technolo , Inc ry <br /> Mobile Laboratory Division <br /> Scientific Division <br /> EPA Method 8020 <br /> Modified Matrix Spike (MS) & Matrix Spike Duplicate (MSD) <br /> BTEX Analysis Report <br /> Attention Mr Claudio Avila Date Sampled May 19, 1997 <br /> EMCON Date Received May 20, 1997 <br /> 1433 N Market Blvd Date Analyzed May 23, 1997 <br /> Sacramento, CA 95634 Invoice# 7815 <br /> Project 1D 22613-100 001 Project Name Don Rogers <br /> Client ID MS/MSD (Batch) LAB ID 7804-001 MS <br /> 7804-001 MSD <br /> Matrix Water <br /> Dilution 1 1 <br /> Spike Sample MS MSD MS % MSD % % RPD <br /> its <br /> Name Added Conc. Result Result Units Recovery Recovery RecoveryRPD LI%Rec <br /> Benzene 30 NO 98 111 ug/I 327% ° ° <br /> 370/0 12/0 20 65-135 <br /> Toluene 30 ND 33 34 ug/I 110% 113% 3% 20 65-135 <br /> Ethylbenzene 30 NO 30 32 ° <br /> ug/l 100% 107% 6% 20 65-135 <br /> m,p-Xylenes 60 NO 61 65 ug/I 102% 108% 6% 20 65-135 <br /> o-Xylenes 30 15 36 45 ug/l 70% 100% 22% 20 65-135 <br /> Surrogate % Recovery of Tnfluorotoluene = 112% MS 119% MSD <br /> Ppb=parts Per billion=ugn=micrograms per liter <br /> ppm=parts per million=uglml=mierOgrams Def milliliter <br /> ND=Not Detected Campourrd(s)maybe present at concentrations below the detection limit <br /> Note* High benzene recovery due to sample matrix effect <br /> i <br /> R James, Principal Chemist <br /> May 27, 1997 <br />. date Reported <br /> SPARGER TECHNOLOGY ANALYTICAL LABORATORY INC IS CERTIFIED BY THE STATE OF CALIFORNIA <br /> DEPARTMENT OF HEALTH SERVICES AS A HAZARDOUS WASTE TESTING LABORATORY <br /> (Certification No 1514) <br /> 8020msw <br /> �,,'or,�,a 5-2� !946) .'62-3947 , -:-LX (946) 362-0947 <br />