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Environmental Laboratories _ Amir <br /> Working To Restore Nature <br /> QUALITY ASSURANCEJQUALM CONTROL REPORT <br /> imlab frm <br /> Attention: Ms. Tina LePage Date Analyzed- 05-12-92 <br /> RESNA G.C. #: 1 <br /> 1710 Main St. Matrix: Water <br /> Escalon, CA 95320 <br /> Project: AGS 19509Ly Project W0475 <br /> Ethyl- Total <br /> Benzene Toluene benzene Xylenes TPHg TPHd <br /> ppb Rph P-Ph pph Ph u <br /> Detection I inut: 0.5 0 5 0.5 OS 50 100 <br /> Blank ND ND ND ND ND NR <br /> Ethyl- Total <br /> Benzene Toluene benzene Xylenes T Hg T?]f d <br /> % % %D % % 7p <br /> Standard 114 112 115 112 108 NR <br /> MS 98 94 96 93 109 NR <br /> MSD 91 91 88 87 112 NR <br /> "D 74 3.2 8.7 67 27 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 = Analysts not requested. <br /> MS = Matrix Spike <br /> MSD = Matrix Spike Duplicate <br /> APD = Relatm Percent Difference <br /> Acceptable RanEe <br /> Standard 85-115% <br /> Blank ND <br /> MS/MSD 70-130% <br /> RPD a25% <br /> 10 <br /> ��Z May 12. 1992 <br /> Laboratory Representative Date Reported J <br /> RESNA ENVIRONMENTAL LABORATORY IS CERTIFIED BY THE STATE OF CALIFORNIA <br /> DEPARTMENT OF HEALTH SERVICES AS A HAZARDOUS WASSTE'IWMG LABORATORY <br /> (Certification No 1211) <br /> 42501 Albrae Street 0 Fremont, CA 94538 0 Phone (510) 623-0775 9 (800) 247-5223 0 FAX (510) 651-8754 <br />