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Spargero Analytical Laboratory Division <br /> Technoboyinc. Mobile Laboratory Division <br /> Scientific Division <br /> With Automohon in Mind <br /> EPA Method 8020 <br /> Modified Matrix Spike (MS) & Matrix Spike Duplicate (MSD) <br /> 1 BTEX Analysis Report <br /> Attention Mr Joe Ramage Date Sampled Aug 7, 1998 <br /> Ramage Environmental Date Received Aug 7, 1998 <br /> 14670 Cantova Way, Ste 200 Date Analyzed Aug 12, 1998 <br /> Rancho Muneta, CA 95683 Invoice# 9877AUG98 <br /> ' Project ID Project Name San Joaquin Catholic Cemetary <br /> Client ID MSIMSD LAS ID 9877-003MS <br /> 9877-003MSD <br /> Matrix Water Dilution 1 1 <br /> Spike Sample MS MSD MS % MSD % % RPD QC Limits <br /> Anal a Added Conc Result Result Units Recovery Recovery Recovery RPD %Rec <br /> Benzene 30 ND 30 24 u /I 100% 80% 22% 20 65-135 <br /> Toluene 30 3 2 34 27 ug/I 103% 79% 23% 20 65-135 <br /> Ethylbenzene 30 ND 29 23 ug/I 97% 77% 23% 20 65-135 <br /> ' m,p-Xylenes 60 ND 60 47 ug/l 100% 78% 24% 20 65-135 <br /> ' o-Xylenes 30 ND 30 24 ug/I 100% 80% 22% 20 65-135 <br /> Surrogate % Recovery of Trifluorotoluene = 97% MS 95% MSD <br /> ppb=parts per billion=ugll=micrograms per liter <br /> ppm-parts per million=uglml=micrograms per mdMdar <br /> NO=Not Detected Compound(s)may be present at concentrations below the detection limit <br /> Note Inconsistent MS/MSD recoveries due to sample matrix effect <br /> Aug 21, 1998 <br /> JR L James, Principal Chemist 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 1614) <br /> 8020msw <br /> 3050 Fite Circle, Suite 112 a Sacramento Califomia 95827 • (916) 362-8947 • FAX (916) 362-0947 <br />