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Superior Precision �nalytica/, lrnc. <br /> ^ ^ 1555 Burke Unit f • San Francisca California 94 124 • (4 15) 647-2081 /fax (415} 82 1-7 123 <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: 14703 <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 /> EPA SW-846 Method 8020/BTXE <br /> 01 Minimum Quantitation Limit in Water: 0. 5ug/L <br /> ANALYTE MS/MSD RECOVERY RPD CONTROL LIMIT <br /> Gasoline: 89/78 13% 72-116 <br /> Benzene: 97/93 4% 71-106 <br /> Toluene: 98/93 5-% 69-116 <br /> Ethyl Benzene: 101/95 6% 66-121 <br /> Xylenes: 103/96 7% 67-108 <br /> r <br /> i r0'.4L <br /> Senior/Ch is <br /> Account Manager <br /> Certified Laboratories <br />