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SUPERIOR AI4ALYTICAL LABORATORIES, INC. DOKs It g <br /> 825 ARNOLD, STE. 114 • MARTINEZ,CALIFORNIA 94553 • {415) 229"1512 <br /> C E R T I F I C A T E O F A N A L Y S I S <br /> ANALYSIS FOR TOTAL PETROLEUM HYDROCARBONS <br /> Page 2 of 2 <br /> QA/QC INFORMATION <br /> �,ET: 83283 <br /> NA = ANALYSIS NOT REOUESTED <br /> ND = ANALYSIS NOT DE=TECTED ABOVE QUANTITATION LIMIT <br /> ug/L = Part per billion (ppb) pattern Present. <br /> * -= Noncharacteristic gasoline p <br /> OTI_ AND UREASE ANALYSIS By Standard Methods Method 503E: <br /> Minimum Detection Limit in Water: 5000ug/L <br /> Modified EPA--SW846 Method 8015 for Extractable Hydrocarbons: <br /> Minimum Ouantitation Limit for Diesel in Water: 50ug/L <br /> Standard Reference: NA <br /> EPA-SW846 Method 8015/5030 Total Purgable Petroleum Hydrocarbons: <br /> Minimum Duantitation Limit for Gasoline in Water: 50ug/L <br /> Standard Reference: 03/28/91 <br /> SW-846 Method 8020/BTXE <br /> on Limit in Water: 0.5ug/L <br /> Minimum ouantitati <br /> Standard Reference: 04/18/91 <br /> ANALYTE REFERENCE SPIKE LEVEL M5/MSD-RECOVERY RPD CONTROL LIMIT <br /> - <br /> ------_ ---------- - NA NA NA <br /> Oil & Grease NA NA NA NA <br /> Diesel <br /> NA NA NA 1 70--130 <br /> Gasoline 03/2.8/91 200 ng g3/86/94 94 4 70-130 <br /> Benzene <br /> 04/18/91 200 ng 91 /94 3 70-130 <br /> Toluene 04/18/91 200 ng 95/96 2 70-130 <br /> Ethyl Benzene 04/18/91 200 n3 2 70-130 <br /> Total Xylene 04/18/91 <br /> 200 ng 95/93 <br /> d na, P .D. <br /> r <br /> aboratory Director <br /> OUTSTANDING QUALITY AND SERVICE <br />