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... . . <br /> Environmental Laboratories . ffAMC""R"V 1A <br /> Working To Restore Nature <br /> QUALITY ASSURANCE/QUALITY CONTROL REPORT <br /> 10MIab.frm <br /> Attention: Mr. Greg Stahl Date Analyzed: 07-28-92 <br /> RESNA G.C. #: 1 <br /> 1710 Main St. Matrix: Water <br /> Escalon, CA 95320 <br /> Project: AGS 19509L, Project W0195 <br /> Ethyl- Total <br /> Benzene Toluene benzene Xylenes TPHg ' TPHd <br /> Detection Limit: 0.5 0.5 0.5 0.5 50 50 <br /> Blank ND ND ND ND ND NR <br /> Ethyl- Total <br /> Benzene Toluene benzene Xylenes TPHg TPHd <br /> Standard 94 97 99 98 105 NR <br /> MS 83 87 86 87 98 NR <br /> MSD 81 86 85 85 102 NR <br /> RPD 2.44 1.16 1.17 2.33 4.00 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= Analysis not requested. <br /> MS = Matrix Spike <br /> MSD = Matrix Spike Duplicate <br /> RPD = Relative Percent Difference <br /> Acceptable Range <br /> Standard 85-115% <br /> Blank ND <br /> MS/MSD 70-130% <br /> RPD <25% <br /> Aufaust 3, 1992 <br /> -< Laboratory Rept- entative Date Reported <br /> RESNA ENVIRONMENTAL LABORATORY IS CERTIFIED BY THE STATE OF CALIFORNIA <br /> DEPARTMENT OF HEALTH SERVICES ASA HAZARDOUS WASTE TESTING LABORATORY <br /> (Certification No. 1211) <br /> 42501 Albrae Street• Fremont, CA 94538 • Phone: (510) 623-0775 • (900) 247-5223 • FAX: (510) 651-8754 <br />