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1 � - <br /> Environmental Laboratories �= F � <br /> Working To Restore Nature <br /> ' QUALM ASSURANCEIQUALITY CONTROL REP RT <br /> 10201411)frm <br /> Attention. Mr. Greg Stahl Date Analyzed- 05-14-92 <br /> RESNA G C. #: 2 <br /> 1710 Main St. Matrix: Water <br /> ' Escalon, CA 95320 <br /> Project: AGS 195091, Project W0288.00 <br /> Ethyl- Total <br /> Benzene Toluene benzene Xylenes TPHg TPHd <br /> P-Qh P-Rh P-0 ppb P12h RO <br /> Detection Lirmt: 0.5 05 0.5 0.5 50 100 <br /> tBlank ND ND ND ND ND NR <br /> Ethyl- Total <br /> Benzene Toluene benzene Xylenes TPHg TPHd <br /> Standard 102 100 103 101 99 NR <br /> ' MS 104 100 104 101 122 NR <br /> MSD 100 98 100 98 114 NR <br /> ' RPD 3.9 2.0 3 9 3 0 68 NR <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 Ranize <br /> Standard 85-115% <br /> ' Blank ND <br /> MS/MSD 77 430% <br /> RPD <25% <br /> May 19 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 /> 42501 Albrae Street• Fremont, CA 94538 + Phone (510) 623-0775 9 (800) 247-5223 • FAX (510) 651-8754 <br />