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i �-- C <br /> Environmental Laboratories <br /> Working To Restore Nature <br /> ' QUALITY ASSURANCEIQUALITY CONTROL REPORT <br /> 1 It]QAlab.SmR <br /> Attention: Mr. Bill Channell Date Analyzed: 05408-92 <br /> RESNA G.C. #: 1 <br /> 1 1710 Main St. Matrix: Water <br /> Escalon, CA 95320 <br /> Project: AGS 195091, Project W0190 <br /> Ethyl- Total <br /> 1 Benzene Toluene benzene XyIenes TPHg TPHd P-Rh Wh P-Ph lO Mh RP-h <br /> Detection Limit: OS 0.5 OS OS 50 100 <br /> ' Blank ND ND ND ND ND NR <br /> Ethyl- Total <br /> Benzene Toluene benzene Xylenes TPHg TPHd <br /> ' Standard 109 99 104 103 112 NR <br /> 1 MS 118 110 114 111 111 NR <br /> MSD 113 107 112 108 117 NR <br /> 1 RPD 43 6.8 1.8 2.7 53 NR <br /> ' ppb - parts per billion = ug/L = micrograms per titer <br /> ND - Not detected Compound(s)may be present at concentrations below the detection limit. <br /> NR - Analym not requested. <br /> MS - Matrix Spike <br /> ' MSD = Matnx Spike Duplicate <br /> RPD - Relative Percent Dtfference <br /> Acceptable Range <br /> Standard 85-115% <br /> ' Blank ND <br /> MS/NM 70-130%4 <br /> RPD <2596 <br /> May 17- 1992 <br /> Laboratory Representative Date Reported <br /> RESNA ENYIRONMENTAL LABORA'T'ORY IS CERTIFIED BY THE STATE OF CALIFORNIA <br /> DEPARTMENT OF HEALTH SERVICES AS A HAZARDOUS WASTE TES'nNG LABORATORY <br /> (Certification No. 1211) <br /> 42501 Albrae Street• Fremont, CA 94538 • Phone (510) 623-0775 0 (800) 247-5223 • FAX (510) 651-8754 <br />