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Environmental Laboratories __ =sem <br /> Working To Restore Nature <br /> .QUALITY ASSURANCEIQUALM CONTROL REPORT <br /> 10201ab frm <br /> Attention Mr John Lane Date Analyzed: 12-01-92 <br /> RESNA G.C. # 2 <br /> 1710 Main St. Matrix: Water <br /> Escalon, CA 95320 <br /> Project: 19509L, Project W0596 <br /> Ethyl- Total <br /> Benzene Toluene benzene Xylenes TPHg TPHd <br /> .pp_b. DUh Drab Ppb nab P <br /> Detection Limit 0.5 05 05 0.5 50 50 <br /> Blank ND ND ND ND ND NR <br /> Ethyl- Total <br /> Benzene Toluene benzene Xylenes TPHg TPHd <br /> % % % % % % <br /> Standard 100 95 94 97 106 NR <br /> MS 104 100 100 101 99 NR <br /> MSD 102 97 96 98 93 NR <br /> RPD 1.94 3 05 4.08 3.02 625 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 = Relator Percent Difference <br /> Acceptable Ranke <br /> Standard 85-115% <br /> Blank ND <br /> MS/MSD 70-130% <br /> RPD <25% <br /> (!t r 4 (�ju= December 8. 1992 <br /> Laboratory R presentative Date Reported <br /> REWA ENVIRONIIlPNrAL 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 • FAX (510) 651-8754 <br />