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Superior precision .A"alytica/, /nc- <br /> 4 l 555 Burke Unit I ■ San Francisco California 94124 • (41 5) 647-2081 / fax (4 15) 821.71 23 <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: 56237 <br /> NA = ANALYSIS NOT REQUESTED <br /> ND = ANALYSIS NOT DETECTED ABOVE QUANTITATION LIMIT <br /> ug/L = parts per billion (ppb) <br /> * = Does not match typical Gasoline Pattern. Single peak present. <br /> OIL AND GREASE ANALYSIS By Standard Methods Method 5520F: <br /> Minimum Detection Limit in Water: 5000ug/L <br /> Modified EPA SW-846 Method 8015 for Extractable Hydrocarbons: <br /> Minimum Quantitation Limit for Diesel in Water: 50ug/L <br /> EPA SW-846 Method 8015/5030 Total Purgable Petroleum Hydrocarbons: <br /> Minimum Quantitation Limit for Gasoline in Water: 50ug/L <br /> QNPA SW-846 Method 8020/BTXE <br /> Minimum Quantitation Limit in Water: 0. 3ug/L <br /> ANALYTE MS/MSD RECOVERY RPD CONTROL LIMIT <br /> Gasoline: 96/95% 1 76-111 <br /> Benzene: 88/88% 0 78-110 <br /> Toluene: 88/89% 1 78-111 <br /> Ethyl Benzene: 95/96% 1 78-118 <br /> Xylenes: 91/91% 0 73-113 <br /> Richard Srna, Ph.D. <br /> Laboratory Director <br /> Certified Laboratories <br />