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Environmental Laboratories — Ww� <br /> • �r MMM <br /> Working To Restore Nature <br /> QUALITY ASSURANCEIQUALM CONTROL REPORT <br /> 10201ab Irm <br /> Attention Mr Eric Holm Date Analvzed 08-25-92 <br /> RESNA GC # 3 <br /> 3164 Gold Camp Dr , Ste 200 Matrix Soil <br /> Rancho Cordova, CA 95670 <br /> Project 38032 8, Unocal 6981 <br /> Ethyl- Total <br /> Benzene Toluene benzene Xylenes TPHg <br /> DOM ppm _ppm PPS P-P—M- <br /> Detection Limit 0 005 0 005 0 005 0 005 10 <br /> Blank ND ND ND ND ND <br /> Ethyl- Total <br /> Benzene Toluene benzene Xylenes TPHg <br /> Standard 111 109 111 107 115 <br /> MS 102 102 104 100 95 <br /> MSD 107 106 107 103 79 <br /> RPD 4 78 3 85 284 296 184 <br /> ppm = parts per million = mg/kg= milligrams per kilograms <br /> ND = Not detected Compound(s) may be present at conccntrations below the detection limit <br /> NR = Analysts not requested <br /> MS = Matrix Spike <br /> DASD = Matrix Spike Duplicate <br /> RPD = Relative Percent Difference <br /> \LCentable Range <br /> Standard 55-115�0 <br /> Blank \D <br /> SIS/MSD -0-130% <br /> RPD <251C <br /> J <br /> Aup-ust Z6, 1992 <br /> . Laboratory Representative Date Reported <br /> RESNA ENVIRONMPNCAL LABORATORY IS CERTIFIED BY THE STATE OF CALIFORMA <br /> DEPARTMENT Or HEALTH SERVICES AS A IL%Z.ARDOUS WASTE TEMNG LABORATORY <br /> �Cc-riitication \o 1211) <br /> »2501 -Mbrae Street 9 Fremont C-\ 94538 • Phone 3101 623-0775 • 18001 2417-3223 • r�A\ 3101 651 8734 <br />