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ESuperiorSuperlr Precision -1rna/ytica/, /roc. <br /> 825 Arnold Drive Suite 1 14 ■ Martinez California 94553 • (5 10) 229-15 1 2 / fax (5 10) 229-1526 <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 89639 <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 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 /> *A SW-846 Method 8020/BTXE <br /> Minimum Quantitation Limit in Water 0 3ug/L <br /> ANALYTE MS/MSD RECOVERY RPD CONTROL LIMIT <br /> Gasoline - 89/799s 12 70-130 <br /> Benzene 98/1140 16 70-130 <br /> Toluene 94/110°% 15 70-130 <br /> Ethyl Benzene . 98/1120 14 70-130 <br /> Total Xylenes 96/1100 14 70-130 <br /> Diesel . 110/1060 4 75-125 <br /> Senior Chemist <br /> Certified Laboratories <br />