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Environmental Laboratories ���� <br /> �Msfi ►ia <br /> Working To Restore Nature <br /> QUALITY ASSURANCEIQUALM CONTROL REPORT <br /> 10201ab frm <br /> Attention- Mr Greg Stahl Date Analyzed: 07-09-92 <br /> RESNA G.C. # 2 <br /> 1710 Main St. Matrix: Water <br /> Escalon, CA 95320 <br /> Project. AGS 195091, Project W0388 <br /> Ethyl- Total <br /> Benzene Toluene benzene Xylenes TPHg TPHd <br /> 2pb Pb Wb �vb Pp. <br /> Detection Limit: 0.5 0.5 0.5 0.5 50 1.0 <br /> Blank ND ND ND ND ND ND <br /> Ethyl- Total <br /> Benzene Toluene benzene Xylenes TPHg TPHd <br /> % % % % <br /> Standard 105 105 104 104 101 112 <br /> MS 115 122 110 111 117 112 <br /> MSD 106 107 103 102 105 ill <br /> RPD 814 131 657 845 10.8 0 897 <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 = Relative Percent Difference <br /> Acceptable Range <br /> Standard 85-11550 <br /> Blank ND <br /> MS/MSD 70-130% <br /> RPD <25% <br /> bTaLC- July 16 1992 <br /> Laboratory tepresentative Date Reported <br /> PJRSNA EIA RONhIENrAL 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 />