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Environmental Laboratories == � <br /> J <br /> Working To Restore Nature <br /> UAM Y ASSURANCE UAUTY CONTROL REPORT <br /> 10201ab frm <br /> Attention Mr. John Lane Date Analyzed: 09-15-92 <br /> RESNA G C. #. 2 <br /> 1710 Main St. Matrix Water <br /> Escalon, CA 95320 <br /> Project: 19509L, Project W0174 <br /> Ethyl- Total <br /> Benzene Toluene benzene Xylenes TPHg TPHd <br /> Wb 12pb P..pb 2Rb 2pb ppb <br /> Detection Limit. 05 0 5 05 05 50 50 <br /> Blank ND ND ND ND ND ND <br /> Ethyl- Total <br /> . Benzene Toluene benzene Xylenes TPHg TPHd <br /> % % % %n % % <br /> Standard 105 105 107 107 98 105 <br /> MS 95 95 99 96 96 75 <br /> MSD 95 96 101 98 93 71 <br /> i <br /> RPD 000 1.05 2.00 2.06 3.17 548 <br /> ppb = parts per billion = ug/L = micrograms per later <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 Ranke <br /> Standard 85-1150/c <br /> Blank ND <br /> MS/MSD 70-130%'0 <br /> RPD <25% <br /> September 25, 1992. <br />. Laboratory Rep sentattve Date Reported <br /> RFSNA UNWRONMENTA.L 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 Albr--e Str-el a F-ernort CA 94538 % Alone (510) 623-11775 + (800) 247-5223 a FAX (510) 651-8754 <br />