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Superior precision �lr7a/ytica/, If <br /> 825 Arnold Drive lute 1 14 ■ Martinez California 94553 • (5 10) 229-1512 /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 90823 <br /> NA = ANALYSIS NOT REQUESTED <br /> ND = ANALYSIS NOT DETECTED ABOVE QUANTITATION LIMIT <br /> ug/L = parts per billion (ppb) <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 /> Minimum Quantitation Limit in Water 0 5ug/L <br /> ANALYTE MS/MSD RECOVERY RPD CONTROL LIMIT <br /> -- ------ -- ---- - -- ---- -- -- -- -- - -- - -- - - - -- - -- - - - <br /> Gasoline 91/91. 00 70-130 <br /> Benzene 111/107 40-. 70-130 <br /> Toluene 93/93 Oo 70-130 <br /> Ethyl Benzene 98/98 Oo 70-130 <br /> Total Xylenes 106/107 10 70-130 <br /> Diesel 122/124 215 75-125 <br /> i <br /> i <br />. Senior Chemist <br /> Certified Laboratories <br />