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C� Superior Precision A"a/ytical. /roc_ <br /> 8)5 Arnold Drive Suite 1 14 ■ Martinez California 94553 ■ (510; 229 15 12 / fay (510) 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. 85968 <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 /> EPA SW--846 Method 8020/BTXE <br /> Minimum Quantitation Limit in Water 0 5ug/L <br /> ANALYTE SPIKE LEVEL MS/MSD RECOVERY RPD CONTROL LIMIT <br /> Gasoline 200 ng 102/100 2 70-130 <br /> Benzene 200 ng 82/79 4 70--130 <br /> Toluene 200 ng 87/85 3 70-130 <br /> Ethyl Benzene . 200 ng 87/85 2 70-130 <br /> Xylenes 200 ng 81/80 2 70-130 <br /> Ricnaro Srna , Ph D <br /> Laboratory Director <br /> C <br />