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Environmental Laboratories -_ RE AW�v� <br /> goV A <br /> Working To Restore Nature <br /> UALTTY ASSURANCE UALITY CONTROL REPORT <br /> 10201ab frm <br /> Attention Mr. John Lane Date Analyzed: 12-30-92 <br /> RESNA GC # 2 <br /> 1710 Main St Matrix. Water <br /> Escalon, CA 95320 <br /> Project: 11020 OL, Project W0366 01 <br /> Ethyl- Total <br /> Benzene Toluene benzene Xylenes TPHg TPHd <br /> .P...1?b P P� DRb Wb P <br /> Detection Limit: 05 05 05 05 50 50 <br /> Blank ND ND ND ND NR ND <br /> Ethyl- Total <br /> Benzene Toluene benzene Xylenes TPHg TPHd <br /> % % % % % % <br /> Standard 105 103 106 108 NR 88 <br /> MS 90 88 89 88 NR 106 <br /> MSD 98 96 98 97 NR 93 <br /> RPD 8.51 870 963 9.73 NR 13.1 <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 = Analysts not requested <br /> MS = Matrix Spike <br /> MSD = Matrix Spike Duplicate <br /> RPD = Relative Percent Difference <br /> Acceptable Ranee <br /> Standard 85-115%u <br /> Blank ND <br /> MS/MSD 70-130%n <br /> RPD <25% <br /> T� January 18, 1993 <br /> Laboratory Re esentattve Date Reported <br /> RESNA E7,MRONmENTAL 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 0 FAX (510) 651-8754 <br />