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AM <br /> Environmental Laboratories- t=AM <br /> Working To Restore Nature <br /> QUALITY ASSURANCE f QUALITY CONTROL REPORT <br /> 10201ab firm <br /> Attention Ms Tina LePage Date Analyzed: 08-11-92 <br /> RESNA GC # 2 <br /> 1710 Main St. Matrix Water <br /> Escalon, CA 95320 <br /> Project: 195091, Project W0475 <br /> Ethyl- Total <br /> Benzene Toluene benzene Xylenes TPHg TPHd <br /> .lam .Pb Wb Wb Wb ppb <br /> Detection Limit: 0 5 0 5 05 05 50 50 <br /> Blank ND ND ND ND ND NR <br /> Ethyl- Total <br /> Benzene Toluene benzene Xylenes TPHg TPHd <br /> Standard 107 102 110 110 92 NR <br /> MS 102 102 105 105 89 NR <br /> MSIR 107 107 112 110 82 NR <br /> "D 478 478 550 4 65 8 19 NR <br /> ppb = parts per billion = ug/L = micrograms per liter <br /> ND = Not detected Compound(s)may be present at concentrations below the detection limit <br /> NR = Analysts not requested <br /> MS = Matrix Spike <br /> MSD = Matrix Spike Duplicate <br /> RPD = Relative Percent Difference <br /> Acceptabte Range <br /> Standard 85-115% <br /> Blank ND <br /> MS/MSD 70-130% <br /> RPD <25% <br /> August 17, 1992 <br /> Laboratory R presentative Date Reported <br /> RESNA ENWRONMFXrAL LARORATORY IS CERTIFIED BY THE SPATE OF CALIFORNIA <br /> DEPARTMENT OF HEALTH SERVICES AS A FIAZAKDOUS WASTE TESTING LABORATORY <br /> (Certification No 1211) <br /> 42501 Albrae Street o Fremont, CA 94538 e Phone (510) 623-0775 (800) 247-5223 a FAX (510) 651-8754 <br />