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iy <br /> T x - <br /> superior Precision ."aI5ericaf, Inc., <br /> 825 Arnold Drive.Suite 114 Martinez.California 44553 (510)229.1512/fax(5101229-1526 <br /> }fi <br /> C E R T I F I C A T E O F A N A L Y S I S <br /> rr <br /> ANALYSIS FOR TOTAL PETROLEUM HYDROCARBONS <br /> Page 2 of ?, <br /> QA/QC INFORMATION <br /> E � SET: 84798 <br /> F� NA = ANALYSIS NOT REQUESTED a <br /> ND = ANALYSTS NOT LETECTED ABOVE QUANTITATION LIMIT <br /> ug/L - parte per billion (ppb) <br /> 1� OIL.AND GREASE ANALYSIS By Standard Methods Method 5520F: <br /> i t f <br /> 1 Minimum Detection Limit in 'Water: 5000ug/L . <br /> } <br /> Modified EPA-SW946 Method 8015 for Extractable Hydrocarbons: <br /> Minimum Quantitation Limit for Diesel in Water:. 50ug/L <br /> 4 i. 1;4 <br /> Standard Reference: NA <br /> EPA-SW046 Method 8015/5030 Total Purgable Petroleum Hydrocarbons: i <br /> Minimum Quantitation Limit for Gasoline in mater: 50ug/L <br /> Standard Reference: 10/04/91 <br /> 3 SW-846 Method 8020/BTXE <br /> :;inimum Quantitation Limit in Water: 0.3ug/L ' <br /> StandFrd Reference: 10/11/91 <br /> f <br /> ANALYTE REFERENCE SPIKE LEVEL MS/MSD RECOVERY RPD CONTROL LIMIT t <br /> ------------- <br /> -- -- ------- ----------- --------------- --- <br /> i <br /> Oil. & Grease NA NA NA Na NA <br /> Diesel NA NA NA NA NA <br /> Gasoline 01/02/92 200 ng 98/102 4 70-130, <br /> Benzene 01/06/92 200 ng 104/96 8 70-130 <br /> Toluene 01/06/92 . 200 ng 105/99 6 70-130 <br /> (, Ethyl Benzene 01/06/9,". .200 ng 106/100 6 70-130 <br /> i Total Xylenes 01/06/92` 200 ng 106/100 6 70-13[] : <br /> Richard Srna, Ph.D. <br /> Laboratory Directo <br /> Certified Laboratories <br />