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Environmental Laboratories_ KA <br /> Working To Restore Nature <br /> QUALM ASSURANCE UALITY CONTROL REPORT <br /> 10201ab frm <br /> Attention: Mr. John Lane Date Analyzed 09-04-92 <br /> RESNA G.0 # 1 <br /> 1710 Main St. Matrix: Water <br /> Escalon, CA 95320 <br /> Project: 19509L, Project W0309 <br /> Ethyl- Total <br /> Benzene Toluene benzene Xylenes TPHg TPHd <br /> .Pb RpbDDb _p Pisb DDb <br /> Detection Unit 0.5 0 5 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 94 99 97 99 106 NR <br /> MS 94 97 97 96 98 NR <br /> MSD 96 97 100 99 117 NR <br /> RPD 2.11 000 305 308 17.7 NR <br /> ppb = parts per billion = ug/L = micrograms per Mer <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 Range <br /> Standard 85-115% <br /> Blank ND <br /> MS/MSD 70-130% <br /> RPD <25% <br /> nk� September 14,1992_ <br /> Laboratory Re esentative Date Reported <br /> RESNA uN"RONIIE►TTAL 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 />