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1 <br /> Environmental Laboratories -- _ ��rMM <br /> Working to Restore Nature <br /> ' 42501 Albrae Street <br /> Fremont,CA 94538 <br /> Phone (510)623-0775 <br /> (800)247-5223 <br /> ' FAX (510)651-8754 <br /> QUALITY_ASSURANCE-1QUALTTY CONTROL REPORT <br /> 10201ab fmAttention. Mr. John Lane Date Analyzed: 03-06-92 <br /> ' RESNA/Waterwork G.C. #: 4 <br /> 1710 Main Street Matrix. Soil <br /> Escalon, CA 95320 <br /> Project: AGS 195091, W0294 <br /> - Ethyl- Total <br /> ' Benzene Toluene benzene Xylenes TPHg TPHd <br /> Pam— PP—M- pDm P,pin PP—M Wm <br /> Detection Limit. 0.005 0.005 0.005 0.005 1.0 10 <br /> Blank ND ND ND ND ND NR <br /> Ethyl- Total <br /> Benzene Toluene benzene Xylenes TPHg TPHd <br /> Standard 102 104 102 102 108 NR <br /> ' MS 78 76 73 75 94 NR <br /> MSD 76 74 71 73 92 NR <br /> RPD 26 2.7 28 2.7 2.2 NR <br /> ' ppm = parts per million a mg/kg= milligrams per kilograms <br /> ND = Not detected Compound(s)may be present at concentrations below the detection lima <br /> NR = Analysis not requested <br /> MS = Matrix Spike <br /> ' MSD = Matrix Spike Duplicate <br /> RPD = Relative Percent Differznce <br /> Acceptable Ranee <br /> Standard 85-115% <br /> ' Blank ND <br /> MS/MSD 70-130% <br /> RPD <25% <br /> Mar h 1i 1992 <br /> Laboratory Representative Date Reported <br /> ' RESNA ENVIRONMENTAL LABORA'T'ORY IS CERTIFIED BY THE STA'T'E OF CALIFORNIA <br /> DEPARTMENT OF HEALTH SERVICES AS A HAZARDOUS WASTE TESMG LABORATORY <br /> (Certification No 1211) <br />