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Eii <br /> Superior Precision Ani/ytica/, /rrc_ <br />' PO Box 1 545 ■ Martinez California 94553 ■ (510) 229-1590 /fax (510) 229-0916 <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: 87439 <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 /> bwPA 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 106/100 6% 70-130 <br /> Benzene 200 ng 95/95 Oe 70-130 <br /> Toluene . 200 ng 94/93 10-. 70-130 <br /> Ethyl Benzene 200 ng 99/97 2' 70-130 <br />' Xylenes 200 ng 98/96 20-. 70-130 <br /> r <br /> Richard Srna, Ph D <br /> Labora ory Direct <br /> Certified Laboratories <br />