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r� V <br /> Environmental Laboratories rmff'AWii��� <br /> Working To Restore Nature <br /> QUALITY ASSURANCE/QUALITY CONTROL REPORT <br /> 10201ab frm <br /> Attention: Mr John Lane Date Analyzed. 08-24-92 <br /> RESNA GC #. - 2 <br /> 1710 Main St. Matrix Water <br /> Escalon, CA 95320 <br /> Project: 195091, Project W0294 <br /> Ethyl- Total <br /> Benzene Toluene benzene Xylenes TPHg TPHd <br /> ppb Wb Wb ppb Wb -P-1'b <br /> Detection Lunit• 0.5 05 05 05 50 50 <br /> Blank ND ND ND ND ND NR <br /> Ethyl- Total <br />• Benzene Toluene benzene Xylenes TPHg TPHd <br /> % % % % % <br /> Standard 96 100 103 103 91 NR <br /> MS 87 88 90 89 73 NR <br /> MSD 83 82 83 83 84 NR <br /> RPD 4.71 7 06 809 698 14.0 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 Ran-_q <br /> Standard 85-115% <br /> Blank ND <br /> MS/MSD 70-I30% <br /> RPD <25% <br /> August 31, 1992 <br />. Laboratory R resentattve Date Reported <br /> RESNA EN"RONNEENTAL 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 0 Fremont, CA 94538 • Phone (510) 623-0775 • (800) 247-5223 • FAX (510) 651-8754 <br />