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Environmental Laboratories AMAWFV'� <br /> /`i�ii►� n►i�� <br /> Working To Restore Nature <br /> QUALITY ASSURANCE f QUALI'T'Y CONTROL REPORT <br /> 1owlab.frat <br /> Attention: Mr. Bill Channell Date Analyzed: 12-18-92 <br /> RESNA G.G #: 1 <br /> 1710 Main St. Matrix: Water <br /> Escalon, CA 95320 <br /> Project: 195091, Project W4327.00 <br /> Ethyl- Total <br /> Benzene Toluene benzene Xylenes TPHg TPHd <br /> P.L � DDU PRb W <br /> Detection Limit: OS OS OS OS 50 50 <br /> Blank ND ND ND ND ND NR <br /> Ethyl- Total <br /> Benzene Toluene benzene Xylenes TPHg TPHd <br /> % % % % % % <br /> Standard 103 92 91 94 101 NR <br /> MS 109 98 106 101 103 NR <br /> MSD 110 100 103 95 92 NR <br /> RPD 1.83 2.02 2.87 6.12 11.3 NR <br /> ppb a parts per bdkon - ug/L. - micrograms per liter <br /> ND - Not detected. Compound(s)may be present at concentrations below the detection limit. <br /> NR A Analysts not requested. <br /> MS = Matrix Spike <br /> MSD - Matrix Spike Duplicate <br /> RPD - Relator Percent Difference <br /> Acceptable Range <br /> Standard 85-115% <br /> Blank ND <br /> MS/MSD 70-130%a <br /> RPD <25% <br /> _December 28. 1992_ <br /> Laboratory Re esentattve Date Reported <br /> RESNA ENVIROM1OIENrAL LABORATORY IS CER'T'IFIED BY THE STATE OF CALIFORNIA <br /> DEPARTMENT OF HEALTH SERVICES AS A HAZARDOUS WASTE TEST NO LABORATORY <br /> (Certification No 1211) <br /> 42501 Albrae Street • Fremont, CA 94538 0 Phone (510) 623-0775 • (800) 247-5223 • FAX (510) 651-8754 <br />