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i <br /> } <br /> Superior Precision Analytical, Inc. <br /> 825 Ar"Id Drive,Suite 114 Martinez, California 94553 (5101229-1512/fax(510)229.1526 <br /> i <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 /> SET: 84256 <br /> NA = ANALYSIS NOT REQUESTED <br /> r ND = ANALYSIS NOT DETECTED ABOVE QUANTITATION LIMIT <br /> { ug/L = parts per billion (ppb) <br /> = Gasoline Range Concentration Reported. A Non-standard Gasoline Pattern <br /> 4 was Observed in the Chromatogram. <br /> E! ** = Diesel Range Concentration Reported. A Non-standard Diesel Pattern was <br /> Observed in the Chromatogram. <br /> OIL AND GREASE ANALYSIS By Standard Methods Method 6520F: <br /> Minimum Detection Limit in Water: 5000ug/L <br /> Modified EPA--SW846 Method 8015 for Extractable Hydrocarbons: <br /> Minimum Quantitation Limit for Diesel in Water: 5oug/L ttt <br /> Standard Reference: 07/20/91 <br /> EPA-SW846 Method 8015/5030 Total Purgable Petroleum Hydrocarbons: <br /> Minimum Quantitation Limit for Gasoline in Water: 50ug/L <br /> Standard Reference: 10/04/91 <br /> SW-846 Method 8020/BTXE <br /> Minimum Quantitation Limit in Water: 0.5ug/L <br /> Standard Reference: 10/11/91 <br /> ANALYTE REFERENCE SPIKE LEVEL MS/MSD RECOVERY RPD CONTROL LIMIT <br /> Oil & Grease 10/23/91 30 ppm 90/86 4 58-106 <br /> Diesel 07/20/91 200 ppm .127/130 3 75-125 <br /> Gasoline 10/04/91 200 ng 94/96 2 70-130 <br /> 1� Benzene 10/11/91 200 ng 26/83 4 70-130 <br /> Toluene 10/11/91 200 ng 86/84. 2 70-130 <br /> Ethyl Benzene 10/11/91 200 ng 88/86 2 70-130 <br /> Total Xylenes 10/11/91 200 ng 100/97 2 70-130 <br /> ich r Sr a Ph.D <br /> CZ <br /> Laboratory Director <br /> t <br /> Certified Laboratories <br /> i`f <br />