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------------- <br /> Environmental w� <br /> e #al l�borator�es ZZAACA ��� <br /> I <br /> Working To Restore Nature <br /> QUALITY ASSURANCE/QUALITY CONTROL REPORT <br /> 10MIab.frm <br /> Attention: Mr. Greg Stahl Date Analyzed: 12-28-92 <br /> RESNA G.C. #: 1 <br /> 1710 Main St. Matrix: Water <br /> Escalon, CA 95320 <br /> Project: 11020.01, Project W0195.00 <br /> Ethyl- Total <br /> Benzene Toluene benzene Xylenes TPHg TPHd <br /> pRb ppb Wb <br /> Detection Limit: 0.5 0.5 0.5 0.5 50 50 <br /> Blank ND ND ND ND NR ND <br /> Ethyl- Total <br /> r. Benzene Toluene benzene Xylenes TPHg TPHd <br /> '=fes <br /> Standard 100 101 103 103 NR 96 <br /> MS 102 100 100 102 NR 97 <br /> MSD 97 92 95 96 NR 102 <br /> RPD 5.03 8.33 5.13 6.06 NR 5.03 <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 Ranee <br /> Standard 8S-11590 <br /> Blank ND <br /> MS/MSD 70-130% <br /> RPD <25% <br /> January 11, 1993 <br /> Laboratory Relhsentative Date Reported <br /> RESNA ENVIRONMEWAL LABORATORY IS CERTIFIED BY THE STATE OF CALIFORNIA <br /> DEPARTMENT OF HEALTH SERVICES AS A HAZARDOUS WASTE TESTING LABORATORY <br /> (Certification No. 1211) <br /> 42501 Albrae Street • Fremont, CA 94538 • Phone: (510) 623-0775 • (800) 247-5223 9 FAX: (510) 651-8754 <br />