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nROM .+ee9i - 2 ,,.a -fkx4' 9 `5'S. '-'"e`¢,,Y ,W:S± e :'a M 't:'"•e�fr - <br /> 6, <br /> UPERIOR ANALYTICAL LABORATORIES, INC. <br /> 825 ARNOLD,STE. 114 • MARTINEZ,CALIFORNIA 94553 •(415) 229.1512 <br /> DOHS A';19 <br /> DOHS 4220 <br /> C E R T I F I C A T E O F A N A L, Y S 15 <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 ASUVE QUAN'r7lATION LIMIT <br /> mg/kg = part per million (ppm) <br /> OIL AND GREASE A'SALYSIS By Standard Methods Method 503E: <br /> Minimum Detection Limit in Soil: 50mg/kg <br /> Modified EPA-SW846 Method 8015 for Extractable Hydrocarbons: <br /> Minimum Quantitation Limit for Diesel .in Soil: Img/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 /> s <br /> ANALYTE REFERENCE SPIKE LEVEL MS/MSD RECOVERY RPD CONTROL LIMIT <br /> } ------ --------- ----------- --------------- --- <br /> ------------- <br /> Oil <br /> - ---------Oil & Grease NA NA TTA NA NA <br /> Diesel NA NA NA NA NA <br /> G"oline 06/26/91 200 ng 98/82 18 <br /> Benzene 07/08/91 200 ng 91/139 70-130 <br /> Toluene 07/08/91 200.:;L9 90/85 2 7D-130 <br /> 6 70-130 <br /> Ethyl Benzene 07/48/91 200 ng 93/85 <br /> Total Xylene .07/08/91 200 ng 100/88 10 70-130 <br /> 12 70-130 <br /> Richard S , Ph.D. <br /> —— -- --- - ---- ----- --- — -- -- Laboratory Director! ----- -------- ---- <br /> OUTSTANDING QUALITY AND SERVICE <br /> r. <br /> i:. <br />