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r <br /> Superior precision Analytical, Inc. <br /> w <br /> 1555 Burke Unit I • San Francisco California 94124 • {4 151647-208 1 /fax (4 1 51 821-7123 <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: 13010 <br /> NA = ANALYSIS NOT REQUESTED <br /> ND = ANALYSIS NOT DETECTED ABOVE QUANTITATION LIMIT <br /> ug/l = part per billion (ppb) <br /> OIL AND GREASE 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 Quantitation Limit for Diesel in Water 50ug/l <br /> Standard Reference: NA <br /> EPA-SW846 Method 8015/5030 Total Purgable Petroleum Hydrocarbons : <br /> Minimum Quantitation Limit for Gasoline in Water, 50ug/l <br /> Standard Reference: 10/12/91 <br /> 10 W- 846 Method 8020/BTXE <br /> Minimum Quantitation Limit in Water: 0 . 5ug/l <br /> Standard Reference: 04/07/92 <br /> ANALYTE REFERENCE SPIKELEVEL MS/MSD-RECOVERY RPD CONTROLLIMIT <br /> - <br /> Oil & Grease NA NA NA NA NA <br /> Diesel NA NA NA NA NA <br /> Gasoline 04/07/92 200ng 89/94 5. 2 76-111 <br /> Benzene 04/07/92 200ng 89/92 2 . 8 78-110 <br /> Toluene 04/07/92 200ng 93/96 2 . 7 78-111 <br /> Ethyl Benzene 04/07/92 200ng 98/101 3 . 0 78-118 <br /> Total Xylene 04/07/92 600ng 94/96 2 . 5 73-113 <br /> Richar S na h. <br /> Laboratory Director <br /> Certified Laboratories <br />