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Environmental Laboratories_ =AW�� <br />. Working To Restore Nature <br /> (?UALI'I'Y ASSURANCE/QUALITY CONTROL REPORT <br /> i <br /> 10201ab frm <br /> Attention: Mr. John Lane Date Analyzed: 12-11-92 <br /> RESNA G.C. #: 1 <br /> 1710 Main St. Matrix: Water <br /> Escalon, CA 95320 <br /> Project 195091, Project W4174.00 <br /> Ethyl- Total <br /> Benzene Toluene benzene Xylenes TPHg TPHd <br /> Wb Wb ppbP P-1'b P.-p <br /> Detection Limn 0.5 05 0.5 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 93 89 92 89 96 105 <br /> MS 113 101 104 82 87 105 <br /> MSD 110 99 101 83 78 119 <br /> RPD 2.69 2 00 2.93 1.21 10.9 12.5 <br /> ppb = parts per billion = ug/L = micrograms per liter <br /> ND = Not detected. Compound(s)may be present at concentrations below the detection hnut. <br /> NR =Analysis not requested <br /> MS = Matrix Spike <br /> MSD = Matrix Spike Duphcate <br /> RPD = Relatm Percent Difference <br /> Acceptable Stange <br /> Standard 85-115% <br /> Blank ND <br /> MS/MSD '10-130% <br /> RPD <25% <br /> MT6-(-W-A- December 28, 1992 <br /> Laboratory ReAsentative Bate Reported <br /> RESNA EiVN=MEB 'AL LABORATORY IS CERTIFIED BY THE SATE OF CALIFORNIA <br /> DEPARTMENT OF HEALTH SERVICES AS A IIA7ARDOi FS WASM TES'nNG LABORATORY <br /> (Certif"tion No 1211) <br /> 42501 Albrae Street+ Fremont, CA 94538 0 phone (510) 623-0775 0 (800) 247-5223 • FAX (510) 651-8754 <br />