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ui N 1 i► <br /> Environmental Laboratories -__ A1cWAW8VR6—% <br /> Working To Restore Nature <br /> QUALITY ASSURANCE- CONTROL REPORT <br /> 10201ab frm <br /> Attention: Mr. Greg Stahl Date Analyzed 01-08-92 <br /> RESNA GC. # 1 <br /> 1710 Main St. Matrix- Water <br /> Escalon, CA 95320 <br /> Project. 11020.01, Project W2102 <br /> Ethyl- Total <br /> Benzene Toluene benzene Xylenes TPHg TPHd <br /> ,ppb Wb Ppb Pb 4!pb P <br /> Detection Limit: 05 0.5 05 0.5 50 50 <br /> Blank ND ND ND ND ND NR <br /> Ethyl- Total <br /> Benzene Toluene benzene Xylenes TPHg TPHd <br /> % % % % % <br /> Standard 100 97 100 100 102 NR <br /> MS 95 93 93 93 110 NR <br /> MSD 91 88 89 89 95 NR <br /> RPD 430 552 440 4.40 4.88 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 = Analysis not requested <br /> MS = Matrix Spike <br /> MSD = Matrix Spike Duplicate <br /> RPD = Relative Percent Difference <br /> Acceptable Ranee <br /> Standard 85-115% <br /> Blank ND <br /> MS/MSD 70-130%v <br /> RPD <25% <br /> l <br /> January 14. 1993 _ <br /> Laboratory Re esentative Date Reported <br /> RESNA ENVIRONNUWrAL LABORATORY IS CERTIFIED BY THE STATE OF CALIFORNIA <br /> DEPARTMENT OF HEALTH SERVICES AS A HAZARDOUS WASTE TESTING LABORATORY <br /> (Certification No 1211) <br /> 42501 Albrae Street • Fremont, CA 94538 • Phone (510) 623-0775 • (800) 247-5223 • FAX (510) 651-8754 <br />