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Environmental Laboratories_ ZAMALAIFAM <br /> Ar <br /> . Working To Restore Nature <br /> UALITY ASSURANCEJQ1LAL1W CONTROL REPORT <br /> 1OWtab frm <br /> Attention: Mr. Greg Stahl Date Analyzed: 09-29-92 <br /> RESNA G C. #: 1 <br /> 1710 Main St. Matrix: Water <br /> Escalon, CA 95320 <br /> Project: 19509L, Project W0388 <br /> Ethyl- Total <br /> Benzene Toluene benzene Xylenes TPHg TPHd <br /> 2gb Wb <br /> Wb Ppb Wb P <br /> Detection Limit: 05 0.5 05 05 50 50 <br /> Blank ND ND ND ND ND ND <br /> Ethyl- Total <br /> Benzene Toluene benzene Xylenes TPHg TPHd <br /> % %v % % % <br /> Standard 89 94 90 93 104 96 <br /> MS 83 89 90 88 90 110 <br /> MSD 77 82 82 79 92 112 <br /> RPD 750 8.19 9.30 10.8 2.20 180 <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 /> RPD = Relative Percent Difference <br /> Acceptable Range <br /> Standard &5-115901 <br /> Blank ND <br /> MS/MSD 70-130Wo <br /> RPD <25% <br /> till. October 6. 1192 <br /> Laboratory Re esentatrve Date Reported <br /> RESNA ENVIRONKWFAL 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 9 Fremont, CA 94538 • Phone (510) 623-0775 • (800) 247-5223 • FAX (510) 651-8754 <br />