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E <br /> Environmental Laboratories <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)65I-8754 <br /> QUALITY ASSURANCE UALM CONTROL REPORT <br /> 10201ab.frm <br /> Attention: Mr. Jahn Lane Date Analyzed: 03-24-92 <br /> RESNA G.C. #: 2 <br /> 1710 Main St. Matrix: Water <br /> Escalon, CA 95320 <br /> Project: AGS 19509-Ly Project W0365 <br /> Ethyl- Total j <br /> Benzene Toluene benzene Xylenes TPHg TPHd <br /> ppb Pb ppb P12b DJ2b Pp ` <br /> Detection Limit: 0.5 0.5 0.5 0.5 50 100 f <br /> -;. Blank ND ND ND ND ND ND <br /> Ethyl- Total <br /> Benzene Toluene benzene Xylenes TPHg TPHd <br /> % % % % % % <br /> Standard 98 96 91 92 NR 85 <br /> MS 105 103 97 97 NR 111 <br /> MSD 102 100 94 94 NR 110 <br /> RPD 2.9 2.9 3.1 3.1 NR 0.9 <br /> ppb = parts per billion = ug/L = micrograms per liter. f: <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 85-1150/0 <br /> Blank ND <br /> MS/MSD 70-13090 <br /> RPD <25% <br /> March 25, 1992 <br /> Laboratory Representative Date Reported <br /> 4 <br /> RESNA ENVIRONMENTAL LABORATORY IS CERTIFIED BY THE STATE OF CALIFORNIA F <br /> DEPARTMENT OF HEALTH SERVICES AS A HAZARDOUS WASTE TESTING LABORATORY <br /> (Certification No. 1211) <br />