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1 4 <br /> Environmental Laboratories - AV=��� <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 /> ' QUALM ASSURANCE-1QUALM CONTROL REP RT <br /> ' 10201ab.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 /> Project: AGS 19509-L, Project W0599 <br /> Ethyl- Total <br /> ' Benzene Toluene benzene Xylenes TPHg TPHd <br /> ppb p-lh uh p-pb A-0 RP-h <br /> Detection Limit: 0.5 0.5 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 /> ' 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 1.0 1.9 2.0 1.9 4.4 NR <br /> ' ppb - parts per billion - ug/L - micrograms per Iiter <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 RanQc <br /> Standard 85-115% <br /> Blank ND <br /> MS/MSD 70-130% <br /> RPD a25% <br /> March 11-IM _ <br /> Laboratory epresentattve Date Reported <br /> ' RESNA ENVIRONMENTAL LABORATORY IS CERTIFIED BY THE STATE OF CALIFORNIA <br /> DEPARTMENT OF HEALTH SERVICES AS A HAZARDOUS WASTE TESI7NG LABORATORY <br /> (Certification No 1211) <br />