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r <br /> Environmental Laboratories -_ � A <br /> Working to Restore Nature <br /> 1 42501 Albrae Street <br /> Fremont,CA 94538 <br /> ' Phone (510)623-0775 <br /> (800)247-5223 <br /> FAX (5I0)651-8754 <br /> ' UALITY ASSURANCE-1QUALITY CONTROL REP RT <br /> 10MIab frm <br /> Attention: Mr. John Lane Date Analyzed: 02-28-92 <br /> ' RESNA/Waterwork G.C. # 4 <br /> 1710 Main Street Matrix: Soil <br /> iEscalon, CA 95320 Site. KOK Realty <br /> Project: AGS 195091, W0596 <br /> ' Ethyl- Total <br /> Benzene Toluene benzene Xylenes TPHg TPHd <br /> Rpm— Pl'm PPM PPM— PPM P-RM— <br /> ' Detection Limit 0.005 0 005 0 005 0.005 1.0 10 <br /> BIank ND ND ND ND ND NR <br /> Ethyl- Total <br /> Benzene Toluene benzene Xylenes TPHg TPHd <br /> ' % % % % % % <br /> Standard 99 97 96 96 100 NR <br /> MS 71 71 70 72 84 NR <br /> L MSD 76 77 75 78 86 NR <br /> RPD 68 81 69 80 2.4 NR <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 /> Acceptable Ranee <br /> Standard 85-115% <br /> Blank ND <br /> MS/MSD 70-130% <br /> RPD <25% <br /> March 6. 19-92 <br /> Laboratory Representative Date Reported <br /> RESNA ENVIRONMENTAL LABORATORY IS CER'T'IFIED BY THE STATE OF CALIFORNIA <br /> DEPARTMENT OF HEALTH SERVICES AS A HAZARDOUS WASTE T ff11NG LABORATORY <br /> (Certification No 1211) <br />