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Environmental Laboratories <br /> Working To Restore Nature <br /> QUALITY ASSURANCE/QUALITY CONTROL REPORT <br /> 30201ablrm <br /> Attention: Mr. Greg Stahl Date Analyzed: 05-13-92 <br /> RESNA G.C. #: 3 <br /> 1710 Main Street Matrix: Soil <br /> Escalon, CA 95320 <br /> Project: AGS 195091, W0466 <br /> Ethyl- Total <br /> Benzene Toluene benzene Xylenes TPHg TPHd <br /> RD-M— Dnm P-IZ 124—)M Dnm nom <br /> Detection Limit: 0.005 0.005 0.005 0.005 1.0 10 <br /> Blank ND ND ND ND NR ND <br /> Ethyl- Total <br /> Benzene Toluene benzene Xylenes TPHg TPHd <br /> Standard 100 99 97 98 NR 110 <br /> MS 77 77 75 77 NR 84 <br /> MSD 86 86 84 86 NR 71 <br /> RPD 11.0 11.0 11.3 11.0 NR 16.8 <br /> ppm - parts per million = mg/kg= milligrams per kilograms <br /> ND = Not detected. Compound(s)may be present at concentrations below the detection limit. <br /> NR = Analysis not requested. <br /> MS = Matrix Spike <br /> MSD = Matrix Spike Duplicate <br /> RPD = Relative Percent Difference <br /> Accentable Ranee <br /> Standard 85-115%a <br /> Blank ND <br /> MS/MSD 74130% <br /> RPD <25% <br /> i <br /> ��iQbt C� May 26, 1992 <br /> Laboratory R resentative 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 0 (800) 247-5223 • FAX: (510) 651-8754 <br />