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Spargero Analytical Laboratory Division <br /> Mobile Laboratory Division <br /> gTechnolo y Inc Scientific Division <br /> tWith Automation In Mind <br /> ' EPA Method 8020 <br /> Modified Matrix Spike (MS) & Matrix Spike Duplicate (MSD) <br /> BTEX Analysis Report <br /> Attention Mr Mike Miller Date Sampled Jul 10, 1997 <br /> ' IT Corporation Date Received Jul 11, 1997 <br /> 3634 Eknes St Date Analyzed Jul 16, 1997 <br /> Mather, CA 95655 Invoice# 8063 <br /> Project ID 768582 Project Name DSA/SDC <br /> ' Client ID MS/MSD (Batch) LAB ID 8077-003MS <br /> 8077-003MSD <br /> Matnx Soli Dilution >1 1 <br /> ' Spike Sample MS MSD MS % MSD % % RPD QC Limits <br /> Name Added Conc Result Result Units Recovery Recovery Recovery RPD %Rec <br /> Benzene 20 ND 23 23 ug/kg 115% 115% 0% 20 65-135 <br /> Toluene 20 ND 24 24 ug/kg 120% 120% 0% 20 65-135 <br /> Ethylbenzene 20 ND 25 25 ug/kg 125% 125% 0% 20 65-135 <br /> ' m,p-Xylenes 40 ND 50 51 ug/kg 125% 128% 2% 20 65-135 <br /> o-Xylenes 20 ND 24 24 ug/kg 120% 120% 0% 20 65-135 <br /> ' Surrogate % Recovery of Tnfluorotoluene = 87% MS 87% MSD <br /> ppb=parts pef billion=uglkg=micrograms per lulogram <br /> ppm=parts per million=ugrg=micrograms per gram <br /> ' ND=Not Detected Compound(r)maybe present at concentrations below the detection limit. <br /> Jul 24, 1997 <br /> eiames, al Chemist Date Reported <br /> % SPARGER TECHNOLOGY ANALYTICAL LABORATORY VC IS CERTIFIED BY THE STATE OF CALIFORNIA <br /> DEPARTMENT OF HEALTH SERVICES AS A HAZARDOUS WASTE TESTING LABORATORY <br /> ' (Cerpficabon No 1614) <br /> ' 8020mss2 <br /> 3050 Fite Circle Suite 112 • Sacramento, California 95827 9 (996) 362-8947 • FAX(996) 362-0947 <br />