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1 <br /> Environmental Laboratories <br /> Working to Restore Nature <br /> r <br /> 4250I Albrae Soret <br /> Fremont,CA 94538 <br /> Phone:(510)623-0775 f <br /> (800)147-5273 <br /> FAX(510)651-8754 <br /> QUALITY ASSURANCE-1OUALIff CONTROL REPORT <br /> 10201ab.frm <br /> Attention: Ms. Tina LePage Date Analyzed: 04-02-92 <br /> RESNA G.C. #: 2 <br /> 1710 Main Street Matrix: Water <br /> Escalon, CA 95320 <br /> Project: AGS 19509L, W0613 _ <br /> I <br />` Ethyl- Total <br /> i <br /> Benzene Toluene benzene Xylenes TPHg TPHd <br /> 1 lu pah PO <br /> Detection Limit: OS 03 OS OS 50 100 <br /> _ f <br /> Blank ND ND ND ND ND NR <br /> Ethyl. Total <br /> Benzene Toluene benzene Xylenes TPHg TPHd <br /> Standard 97 98 96 95 108 NR <br /> MS 104 103 100 94 122 NR <br /> MSD , 103 103 101 95 113 NR <br /> RPD 0.9 0 1.0 1.0 7.7 NR <br /> ppb - parts per billion = udL = micrograms per liter. 3 <br /> ND = Not detected. Compound(s)may be present at concentrations below the detection limit. <br /> NR -Analysis not requested. <br /> MS - Matrix Spire <br /> MSD - Matrix Spike Duplicate <br /> RPD = Relative Percent Difference <br /> Acceptable Rance <br /> Standard 85-11546 <br /> Blank ND <br /> t MS/MSD 70-130% <br /> 1 RPD <25% <br /> Laboratory Representative Date Reported <br /> RE.SNA ENVIRONMENTAL LABORATORY IS CERTIFIED BY THE STATE OF CALIFORNIA <br /> DEPARTMENT OF HEALTH SERVICES AS A HAZARDOUS WASTE IESI NO LABORATORY <br /> (Certification No. 1211) <br /> i <br />