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Y <br /> Environmental Laboratories- AWAWv� <br /> Iasi �rB61 <br /> Working To Restore Nature <br /> QUALITY ASSURANCE/QUALITY CONTROL REPORT <br /> Attention: Sharon Young Date Analyzed: 04-26-93 <br /> RESNA G.C. #: 3 <br /> 1710 Main Street Matrix: Soil <br /> Escalon, California 95320 <br /> Project: 11020.OL, Project W0509.03 <br /> Ethyl Total <br /> Benzene Toluene Benzene Xylenes TPHg TPHd <br /> ppm ppm ppm ppm ppm ppm <br /> Detection Limit: 0.005 0.005 0.005 0.005 1.0 1.0 <br /> Blank ND ND ND ND NR ND <br /> Standard 98 97 96 97 NR 100 <br /> MS 98 92 87 85 NR 127 <br /> MSD 85 77 72 70 NR 109 <br /> RPD 14.2 17.8 18.9 19.4 NR 15.3 <br /> Ppb=parts per bMi—=ug/L=micrograms per liter <br /> ND=Not detected. Compound(s)may be present at concentrations below the detection limit. <br /> NR=Analysis not requested <br /> MS=Matrix Sprlce <br /> MSD=Matrix Spike Duplicate <br /> RPD=Relative Percent Difference <br /> Acceptable Range <br /> Standard 95-115% <br /> Blank ND <br /> MSIMSD 70-130% <br /> RPD c25% <br /> April 29,1993 <br /> Laboratory Representati t Date Reported <br /> RESNA ENVIRONMENTAL LABORATORY IS CERTIFIED BY THE STATE OF CALIFORNIA <br /> DEPARTMENT OF HEALTH SERVICES AS A HAZARDOUS WASTE TESTING LABORATORY <br /> (Certification No.1211) <br /> 42501 Albrae Street• Fremont, CA 94538 • Phone: (510) 623-0775 • (800) 247-5223 • FAX: (510) 651-8754 <br />