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' I <br /> Environmental Laboratories <br /> Working to Restore Nature <br /> 42501 Albrae Street <br /> Fremont,CA 94538 <br /> Phone (510)623-0775 <br /> (800)247-5223 <br /> FAX (510)651-8754 <br /> QUALM ASSURANCEIQUALITY CONTROL REPORT <br /> 10201ab frm <br /> Attention Ms. Tina LePage Date Analyzed: 02-21-92 <br /> RESNA GC. #: 2 <br /> 1710 Main St Matrix- Water <br /> Escalon, CA 95320 <br /> Project. AGS 19509-L, W0367 <br /> Ethyl- Total <br /> Benzene Toluene benzene Xylenes TPHg TPHd <br /> PRh p.Rb PP-h ppb pph Rpb <br /> Detection Limit 0 5 05 05 05 50 100 <br /> Blank ND ND ND ND ND ND <br /> • Ethyl- Total <br /> Benzene Toluene benzene Xylenes TPHg TPHd <br /> % % % % % % <br /> Standard 101 103 102 104 106 115 <br /> MS 101 98 97 90 106 118 <br /> MSD 104 100 98 90 112 110 <br /> RPD 29 20 1.0 0 5.5 70 <br /> I <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 = Matm Spike <br /> MSD = Matnx Spike Duplicate <br /> RPD = Relator Percent Difference <br /> Acceptable Range <br /> Standard 85-115% <br /> Blank ND <br /> MS/MSD 70-130% <br /> RPD <25% <br /> Fe ruary 28, 1992 <br /> Laboratory Representative Date Reported <br /> RESNA ENVIRONMENTAL LABORATORY IS CERTIFIED BY THE STATE OF CALIFORNIA <br /> DEPARTMENT OF HEALTH SERVICES AS A HAZARDOUS WASTE TESTING LABORATORY <br /> (Certification No 1211) <br />