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7 � • <br /> Environmental Laboratories <br /> Working To Restore Nature <br /> QUALITY ASSURANCEJQUALITY CQNTROL REPORT <br /> 10201ab fru <br /> Attention: Ms. Nora Katoaka - Date Analyzed: 04-14-92 <br /> RESNA G.C. # 1 <br /> 1710 Main Street Matrix Water <br /> Escalon, CA 95320 <br /> Project: AGS 19509L, W0169 <br /> Ethyl- Total <br /> Benzene Toluene benzene Xylenes TPHg TPHd <br /> Dph RRh P12h p2h p2h uph <br /> Detection Limit: 0.5 0.5 0.5 05 50 100 <br /> Blank ND ND ND ND ND ND <br /> Ethyl- Total <br /> Benzene Toluene benzene Xylenes TPHg TPHd <br /> Standard 101 99 100 97 99 94 <br /> MS 97 97 92 95 115 101 <br /> MSD 106 104 105 100 116 115 <br /> RPD 89 70 13 5.1 0.9 13 <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 - Analysis not requested <br /> MS = Matrix Spike <br /> MSD = Matrix Spike Duplicate <br /> RPD = Relative Percent Difference <br /> A_ccepta_b_le Rangcc <br /> Standard 85-115% <br /> Blank ND <br /> MS/MSD 70.1301/10 <br /> RPD <25% <br /> April n 192 <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 /> 42501 Albrae Street a Fremont, CA 94538 0 Phone (510) 623-0775 a (800) 247-5223 a FAX (510) 651-8754 <br />