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Environmental Laboratories --- -M`:N I, <br /> Working to Restore Nature <br /> ' 42501 Albrae Street <br /> Fremont,CA 94538 <br /> Phone (510)623-0775 <br /> ' (800)247-5223 <br /> FAX (510)651-8754 <br /> QUALITY ASSURANCEIQUALITY CONTROL REPORT <br /> 10201sb frm <br /> Attention: Mr John Lane Date Analyzed 03-05-92 <br /> ' RESNA G.C. #: 2 <br /> 1710 Main St. Matrix: Water <br /> Escalon, CA 95320 <br /> ' Protect: AGS 19509-1, Project W0294 <br /> ' Ethyl- Total <br /> Benzene Toluene benzene Xylenes TPHg TPHd <br /> P4?h P-42h RP-h p9h RPJ2 PRh <br /> Detection Limit. 0.5 05 0.5 0.5 50 100 <br /> Blank ND ND ND ND ND NR <br /> Ethyl- Total <br /> Benzene Toluene benzene Xylenes TPHg TPHd <br /> ' % % % % % % <br /> ' Standard 94 97 93 98 110 NR <br /> MS 104 105 101 106 112 NR <br /> ' MSD 103 103 99 104 117 NR <br /> ' RPD 10 19 2.0 1.9 4.4 NR <br /> ppb = parts per billion = ug/L = micrograms per Mer <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 = Relatme Percent Difference <br /> ' A_ cceptable„Ranee <br /> Standard 85-115% <br /> Blank ND <br /> MS/MSD 70-130% <br /> RPD <25% <br /> z_ M r h 11 1 <br /> Laboratory Representative Date Reported <br /> RESNA ENVIRONMENTAL LABORATORY IS CERTIFIED BY THE STATE OF CALIFORNIA <br /> DEPARTMENT OF HEALTH SERVICES ASA HAZARDOUS WASTE TESTING LABORATORY <br /> ' (Certification No 1211) <br />