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o Superior precision Analytical, Inc- <br /> h' 1555 Burke Unit I ■ San Francisco California 94124 ■ (41 5) 647-2081 / fax (415) 8217123 <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: 14987 <br /> NA = ANALYSIS NOT REQUESTED <br /> ND = ANALYSIS NOT DETECTED ABOVE QUANTITATION LIMIT <br /> ug/L = parts per billion (ppb) <br /> OIL AND GREASE ANALYSIS By Standard Methods Method 552OF: <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 /> 4RPA SW-846 Method 8020/BTXE <br /> Minimum Quantitation Limit in Water: 0.5ug/L <br /> ANALYTE MS/MSDRECOVERY RPD CONTROL-LIMIT <br /> Gasoline:---- -94/85 10% 75-125 <br /> Benzene: 79/81 3% 75-125 <br /> Toluene: 90/93 3% 75-125 <br /> 96/99 3% 75--125 <br /> Ethyl Benzene: <br /> Total Xylenes: 102/106 4% 75-125 <br /> • ` <br /> n <br /> enior Chemist <br /> Certified Laboratories Account Manager <br />