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Environmental Laboratories_ �"Afil <br /> Working To Restore Nature <br /> QUALM ASSURANCELQUALITY CONTROL REPORT <br /> 10201ab frm <br /> Attention. Mr. John Lane Date Analyzed 12-04-92 <br /> RESNA G C # 2 <br /> 1710 Main St. Matrix Water <br /> Escalon, CA 95320 <br /> Project- 195091, Project W0367 <br /> Ethyl- Total <br /> Benzene Toluene benzene Xylenes TPHg TPHd <br /> Wb WbP � Wb DDb <br /> Detection Limit. 0.5 05 05 0.5 50 50 <br /> Blank ND ND ND ND ND ND <br /> Ethyl- Total <br /> Benzene Toluene benzene Xylenes TPHg TPHd <br /> % % % % % % <br /> Standard 106 100 101 101 104 107 <br /> MS 103 97 99 97 77 89 <br /> MSD 101 95 98 96 93 91 <br /> RPD 1.96 208 102 104 188 2.22 <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 85-115% <br /> Blank ND <br /> MS/MSD 70-130% <br /> RPD <25% <br /> December 10, 1992 <br /> wLaboratory R resentattve Date Reported <br /> REW4A ENVIROMAENrAL 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 />