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v <br /> w <br /> SUPERIOR ANALYTICAL LABORATORIES, INC. <br /> r 825 ARNOLD.STE. 114• MARTINEZ,CALIFORNIA 94553 •(415) 229-1512 DQHS 319 <br /> DOHS #220 <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 3 of 3 <br /> QA/QC INFORMATION <br /> SET: 83554 <br /> NA = ANALYSIS NOT REQUESTED <br /> ND = ANALYSIS NOT DETECTED ABOVE QUANTITATION LIMIT <br /> mg/kg = part per million (ppm) <br /> OIL AND GREASE ANALYSIS By Standard Methods Method 503E: <br /> Minimum Detection Limit in Soil: 50mg/kg <br /> Modified EPA-SW846 Method E015 for Extractable Hydrocarbons:. <br /> Minimum Quantitation Limit for Diesel in Soil: 1mg/kg <br /> Standard Reference: NA " <br /> EPA-SW846 Method 8015/5030.Total Purgable Petroleum Hydrocarbons: <br /> Minimum Quantitation Limit for Gasoline -in Soil: lmg/kg <br /> Standard Reference: 06/26/91 <br /> SW-846 Method 8020/BTXE <br /> Minimum Quantitation Limit in Soil: 0.005mg/kg <br /> Standard Reference: 07/08/91 <br /> r <br /> ANALYTE REFERENCE SPIKE.LEVEL MS/MSD P.ECOVERY RPD CONTROL.-LIMIT <br /> --------- ----------- --------------- --- - <br /> Oil & Grease NA NA NA NA NF: <br /> Diesel NA NA NA NA. NA <br /> 98/82 18 70-130 <br /> Gasoline 06/26/91 200 ng 2 70-130 <br /> Benzene 07/08/91 200 ng 91/89' <br /> Toluene 07/08/91 200 ng 90/85 6 70-130: <br /> Ethyl Benzene 07/08/91 200 ng 93/85 10 70-130 <br /> € Total Xylene 07/08/91 200 ag 100/88 12 70-130 <br /> 1 <br /> Ihard S , Ph.D. <br /> Laboratory Director <br /> OUTSTANDING QUALITY AND SERVICE <br /> r <br /> { <br />